FormatTest.cpp revision 8ed9f2b25f082a1643ab5310f9eec33cf31a7577
1//===- unittest/Format/FormatTest.cpp - Formatting unit tests -------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#define DEBUG_TYPE "format-test" 11 12#include "clang/Format/Format.h" 13#include "../Tooling/RewriterTestContext.h" 14#include "clang/Lex/Lexer.h" 15#include "llvm/Support/Debug.h" 16#include "gtest/gtest.h" 17 18namespace clang { 19namespace format { 20 21class FormatTest : public ::testing::Test { 22protected: 23 std::string format(llvm::StringRef Code, unsigned Offset, unsigned Length, 24 const FormatStyle &Style) { 25 DEBUG(llvm::errs() << "---\n"); 26 RewriterTestContext Context; 27 FileID ID = Context.createInMemoryFile("input.cc", Code); 28 SourceLocation Start = 29 Context.Sources.getLocForStartOfFile(ID).getLocWithOffset(Offset); 30 std::vector<CharSourceRange> Ranges( 31 1, 32 CharSourceRange::getCharRange(Start, Start.getLocWithOffset(Length))); 33 Lexer Lex(ID, Context.Sources.getBuffer(ID), Context.Sources, 34 getFormattingLangOpts()); 35 tooling::Replacements Replace = reformat( 36 Style, Lex, Context.Sources, Ranges, new IgnoringDiagConsumer()); 37 ReplacementCount = Replace.size(); 38 EXPECT_TRUE(applyAllReplacements(Replace, Context.Rewrite)); 39 DEBUG(llvm::errs() << "\n" << Context.getRewrittenText(ID) << "\n\n"); 40 return Context.getRewrittenText(ID); 41 } 42 43 std::string 44 format(llvm::StringRef Code, const FormatStyle &Style = getLLVMStyle()) { 45 return format(Code, 0, Code.size(), Style); 46 } 47 48 std::string messUp(llvm::StringRef Code) { 49 std::string MessedUp(Code.str()); 50 bool InComment = false; 51 bool InPreprocessorDirective = false; 52 bool JustReplacedNewline = false; 53 for (unsigned i = 0, e = MessedUp.size() - 1; i != e; ++i) { 54 if (MessedUp[i] == '/' && MessedUp[i + 1] == '/') { 55 if (JustReplacedNewline) 56 MessedUp[i - 1] = '\n'; 57 InComment = true; 58 } else if (MessedUp[i] == '#' && (JustReplacedNewline || i == 0)) { 59 if (i != 0) 60 MessedUp[i - 1] = '\n'; 61 InPreprocessorDirective = true; 62 } else if (MessedUp[i] == '\\' && MessedUp[i + 1] == '\n') { 63 MessedUp[i] = ' '; 64 MessedUp[i + 1] = ' '; 65 } else if (MessedUp[i] == '\n') { 66 if (InComment) { 67 InComment = false; 68 } else if (InPreprocessorDirective) { 69 InPreprocessorDirective = false; 70 } else { 71 JustReplacedNewline = true; 72 MessedUp[i] = ' '; 73 } 74 } else if (MessedUp[i] != ' ') { 75 JustReplacedNewline = false; 76 } 77 } 78 return MessedUp; 79 } 80 81 FormatStyle getLLVMStyleWithColumns(unsigned ColumnLimit) { 82 FormatStyle Style = getLLVMStyle(); 83 Style.ColumnLimit = ColumnLimit; 84 return Style; 85 } 86 87 FormatStyle getGoogleStyleWithColumns(unsigned ColumnLimit) { 88 FormatStyle Style = getGoogleStyle(); 89 Style.ColumnLimit = ColumnLimit; 90 return Style; 91 } 92 93 void verifyFormat(llvm::StringRef Code, 94 const FormatStyle &Style = getLLVMStyle()) { 95 EXPECT_EQ(Code.str(), format(messUp(Code), Style)); 96 } 97 98 void verifyGoogleFormat(llvm::StringRef Code) { 99 verifyFormat(Code, getGoogleStyle()); 100 } 101 102 void verifyIndependentOfContext(llvm::StringRef text) { 103 verifyFormat(text); 104 verifyFormat(llvm::Twine("void f() { " + text + " }").str()); 105 } 106 107 int ReplacementCount; 108}; 109 110TEST_F(FormatTest, MessUp) { 111 EXPECT_EQ("1 2 3", messUp("1 2 3")); 112 EXPECT_EQ("1 2 3\n", messUp("1\n2\n3\n")); 113 EXPECT_EQ("a\n//b\nc", messUp("a\n//b\nc")); 114 EXPECT_EQ("a\n#b\nc", messUp("a\n#b\nc")); 115 EXPECT_EQ("a\n#b c d\ne", messUp("a\n#b\\\nc\\\nd\ne")); 116} 117 118//===----------------------------------------------------------------------===// 119// Basic function tests. 120//===----------------------------------------------------------------------===// 121 122TEST_F(FormatTest, DoesNotChangeCorrectlyFormatedCode) { 123 EXPECT_EQ(";", format(";")); 124} 125 126TEST_F(FormatTest, FormatsGlobalStatementsAt0) { 127 EXPECT_EQ("int i;", format(" int i;")); 128 EXPECT_EQ("\nint i;", format(" \n\t \r int i;")); 129 EXPECT_EQ("int i;\nint j;", format(" int i; int j;")); 130 EXPECT_EQ("int i;\nint j;", format(" int i;\n int j;")); 131} 132 133TEST_F(FormatTest, FormatsUnwrappedLinesAtFirstFormat) { 134 EXPECT_EQ("int i;", format("int\ni;")); 135} 136 137TEST_F(FormatTest, FormatsNestedBlockStatements) { 138 EXPECT_EQ("{\n {\n {}\n }\n}", format("{{{}}}")); 139} 140 141TEST_F(FormatTest, FormatsNestedCall) { 142 verifyFormat("Method(f1, f2(f3));"); 143 verifyFormat("Method(f1(f2, f3()));"); 144 verifyFormat("Method(f1(f2, (f3())));"); 145} 146 147TEST_F(FormatTest, NestedNameSpecifiers) { 148 verifyFormat("vector< ::Type> v;"); 149 verifyFormat("::ns::SomeFunction(::ns::SomeOtherFunction())"); 150} 151 152TEST_F(FormatTest, OnlyGeneratesNecessaryReplacements) { 153 EXPECT_EQ("if (a) {\n" 154 " f();\n" 155 "}", 156 format("if(a){f();}")); 157 EXPECT_EQ(4, ReplacementCount); 158 EXPECT_EQ("if (a) {\n" 159 " f();\n" 160 "}", 161 format("if (a) {\n" 162 " f();\n" 163 "}")); 164 EXPECT_EQ(0, ReplacementCount); 165} 166 167TEST_F(FormatTest, RemovesTrailingWhitespaceOfFormattedLine) { 168 EXPECT_EQ("int a;\nint b;", format("int a; \nint b;", 0, 0, getLLVMStyle())); 169 EXPECT_EQ("int a;", format("int a; ")); 170 EXPECT_EQ("int a;\n", format("int a; \n \n \n ")); 171 EXPECT_EQ("int a;\nint b; ", 172 format("int a; \nint b; ", 0, 0, getLLVMStyle())); 173} 174 175TEST_F(FormatTest, FormatsCorrectRegionForLeadingWhitespace) { 176 EXPECT_EQ("int b;\nint a;", 177 format("int b;\n int a;", 7, 0, getLLVMStyle())); 178 EXPECT_EQ("int b;\n int a;", 179 format("int b;\n int a;", 6, 0, getLLVMStyle())); 180 181 EXPECT_EQ("#define A \\\n" 182 " int a; \\\n" 183 " int b;", 184 format("#define A \\\n" 185 " int a; \\\n" 186 " int b;", 187 26, 0, getLLVMStyleWithColumns(12))); 188 EXPECT_EQ("#define A \\\n" 189 " int a; \\\n" 190 " int b;", 191 format("#define A \\\n" 192 " int a; \\\n" 193 " int b;", 194 25, 0, getLLVMStyleWithColumns(12))); 195} 196 197TEST_F(FormatTest, RemovesWhitespaceWhenTriggeredOnEmptyLine) { 198 EXPECT_EQ("int a;\n\n int b;", 199 format("int a;\n \n\n int b;", 7, 0, getLLVMStyle())); 200 EXPECT_EQ("int a;\n\n int b;", 201 format("int a;\n \n\n int b;", 9, 0, getLLVMStyle())); 202} 203 204TEST_F(FormatTest, ReformatsMovedLines) { 205 EXPECT_EQ( 206 "template <typename T> T *getFETokenInfo() const {\n" 207 " return static_cast<T *>(FETokenInfo);\n" 208 "}\n" 209 " int a; // <- Should not be formatted", 210 format( 211 "template<typename T>\n" 212 "T *getFETokenInfo() const { return static_cast<T*>(FETokenInfo); }\n" 213 " int a; // <- Should not be formatted", 214 9, 5, getLLVMStyle())); 215} 216 217//===----------------------------------------------------------------------===// 218// Tests for control statements. 219//===----------------------------------------------------------------------===// 220 221TEST_F(FormatTest, FormatIfWithoutCompountStatement) { 222 verifyFormat("if (true)\n f();\ng();"); 223 verifyFormat("if (a)\n if (b)\n if (c)\n g();\nh();"); 224 verifyFormat("if (a)\n if (b) {\n f();\n }\ng();"); 225 226 FormatStyle AllowsMergedIf = getGoogleStyle(); 227 AllowsMergedIf.AllowShortIfStatementsOnASingleLine = true; 228 verifyFormat("if (a)\n" 229 " // comment\n" 230 " f();", 231 AllowsMergedIf); 232 233 verifyFormat("if (a) // Can't merge this\n" 234 " f();\n", 235 AllowsMergedIf); 236 verifyFormat("if (a) /* still don't merge */\n" 237 " f();", 238 AllowsMergedIf); 239 verifyFormat("if (a) { // Never merge this\n" 240 " f();\n" 241 "}", 242 AllowsMergedIf); 243 verifyFormat("if (a) { /* Never merge this */\n" 244 " f();\n" 245 "}", 246 AllowsMergedIf); 247 248 AllowsMergedIf.ColumnLimit = 14; 249 verifyFormat("if (a) return;", AllowsMergedIf); 250 verifyFormat("if (aaaaaaaaa)\n" 251 " return;", 252 AllowsMergedIf); 253 254 AllowsMergedIf.ColumnLimit = 13; 255 verifyFormat("if (a)\n return;", AllowsMergedIf); 256} 257 258TEST_F(FormatTest, ParseIfElse) { 259 verifyFormat("if (true)\n" 260 " if (true)\n" 261 " if (true)\n" 262 " f();\n" 263 " else\n" 264 " g();\n" 265 " else\n" 266 " h();\n" 267 "else\n" 268 " i();"); 269 verifyFormat("if (true)\n" 270 " if (true)\n" 271 " if (true) {\n" 272 " if (true)\n" 273 " f();\n" 274 " } else {\n" 275 " g();\n" 276 " }\n" 277 " else\n" 278 " h();\n" 279 "else {\n" 280 " i();\n" 281 "}"); 282} 283 284TEST_F(FormatTest, ElseIf) { 285 verifyFormat("if (a) {\n} else if (b) {\n}"); 286 verifyFormat("if (a)\n" 287 " f();\n" 288 "else if (b)\n" 289 " g();\n" 290 "else\n" 291 " h();"); 292} 293 294TEST_F(FormatTest, FormatsForLoop) { 295 verifyFormat( 296 "for (int VeryVeryLongLoopVariable = 0; VeryVeryLongLoopVariable < 10;\n" 297 " ++VeryVeryLongLoopVariable)\n" 298 " ;"); 299 verifyFormat("for (;;)\n" 300 " f();"); 301 verifyFormat("for (;;) {\n}"); 302 verifyFormat("for (;;) {\n" 303 " f();\n" 304 "}"); 305 306 verifyFormat( 307 "for (std::vector<UnwrappedLine>::iterator I = UnwrappedLines.begin(),\n" 308 " E = UnwrappedLines.end();\n" 309 " I != E; ++I) {\n}"); 310 311 verifyFormat( 312 "for (MachineFun::iterator IIII = PrevIt, EEEE = F.end(); IIII != EEEE;\n" 313 " ++IIIII) {\n}"); 314 verifyFormat("for (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaa =\n" 315 " aaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaa;\n" 316 " aaaaaaaaaaa != aaaaaaaaaaaaaaaaaaa; ++aaaaaaaaaaa) {\n}"); 317 verifyFormat("for (llvm::ArrayRef<NamedDecl *>::iterator\n" 318 " I = FD->getDeclsInPrototypeScope().begin(),\n" 319 " E = FD->getDeclsInPrototypeScope().end();\n" 320 " I != E; ++I) {\n}"); 321 322 // FIXME: Not sure whether we want extra identation in line 3 here: 323 verifyFormat( 324 "for (aaaaaaaaaaaaaaaaa aaaaaaaaaaa = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;\n" 325 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa !=\n" 326 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 327 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n" 328 " ++aaaaaaaaaaa) {\n}"); 329 verifyFormat("for (int aaaaaaaaaaa = 1; aaaaaaaaaaa <= bbbbbbbbbbbbbbb;\n" 330 " aaaaaaaaaaa++, bbbbbbbbbbbbbbbbb++) {\n" 331 "}"); 332 verifyFormat("for (some_namespace::SomeIterator iter( // force break\n" 333 " aaaaaaaaaa);\n" 334 " iter; ++iter) {\n" 335 "}"); 336 337 FormatStyle NoBinPacking = getLLVMStyle(); 338 NoBinPacking.BinPackParameters = false; 339 verifyFormat("for (int aaaaaaaaaaa = 1;\n" 340 " aaaaaaaaaaa <= aaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa,\n" 341 " aaaaaaaaaaaaaaaa,\n" 342 " aaaaaaaaaaaaaaaa,\n" 343 " aaaaaaaaaaaaaaaa);\n" 344 " aaaaaaaaaaa++, bbbbbbbbbbbbbbbbb++) {\n" 345 "}", 346 NoBinPacking); 347 verifyFormat( 348 "for (std::vector<UnwrappedLine>::iterator I = UnwrappedLines.begin(),\n" 349 " E = UnwrappedLines.end();\n" 350 " I != E;\n" 351 " ++I) {\n}", 352 NoBinPacking); 353} 354 355TEST_F(FormatTest, RangeBasedForLoops) { 356 verifyFormat("for (auto aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa :\n" 357 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}"); 358 verifyFormat("for (auto aaaaaaaaaaaaaaaaaaaaa :\n" 359 " aaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa, aaaaaaaaaaaaa)) {\n}"); 360 verifyFormat("for (const aaaaaaaaaaaaaaaaaaaaa &aaaaaaaaa :\n" 361 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}"); 362} 363 364TEST_F(FormatTest, FormatsWhileLoop) { 365 verifyFormat("while (true) {\n}"); 366 verifyFormat("while (true)\n" 367 " f();"); 368 verifyFormat("while () {\n}"); 369 verifyFormat("while () {\n" 370 " f();\n" 371 "}"); 372} 373 374TEST_F(FormatTest, FormatsDoWhile) { 375 verifyFormat("do {\n" 376 " do_something();\n" 377 "} while (something());"); 378 verifyFormat("do\n" 379 " do_something();\n" 380 "while (something());"); 381} 382 383TEST_F(FormatTest, FormatsSwitchStatement) { 384 verifyFormat("switch (x) {\n" 385 "case 1:\n" 386 " f();\n" 387 " break;\n" 388 "case kFoo:\n" 389 "case ns::kBar:\n" 390 "case kBaz:\n" 391 " break;\n" 392 "default:\n" 393 " g();\n" 394 " break;\n" 395 "}"); 396 verifyFormat("switch (x) {\n" 397 "case 1: {\n" 398 " f();\n" 399 " break;\n" 400 "}\n" 401 "}"); 402 verifyFormat("switch (x) {\n" 403 "case 1: {\n" 404 " f();\n" 405 " {\n" 406 " g();\n" 407 " h();\n" 408 " }\n" 409 " break;\n" 410 "}\n" 411 "}"); 412 verifyFormat("switch (x) {\n" 413 "case 1: {\n" 414 " f();\n" 415 " if (foo) {\n" 416 " g();\n" 417 " h();\n" 418 " }\n" 419 " break;\n" 420 "}\n" 421 "}"); 422 verifyFormat("switch (x) {\n" 423 "case 1: {\n" 424 " f();\n" 425 " g();\n" 426 "} break;\n" 427 "}"); 428 verifyFormat("switch (test)\n" 429 " ;"); 430 verifyFormat("switch (x) {\n" 431 "default: {\n" 432 " // Do nothing.\n" 433 "}"); 434 verifyFormat("switch (x) {\n" 435 "// if 1, do f()\n" 436 "case 1:\n" 437 " f();\n" 438 "}"); 439 verifyFormat("switch (x) {\n" 440 "case 1:\n" 441 " // Do amazing stuff\n" 442 " {\n" 443 " f();\n" 444 " g();\n" 445 " }\n" 446 " break;\n" 447 "}"); 448 verifyFormat("#define A \\\n" 449 " switch (x) { \\\n" 450 " case a: \\\n" 451 " foo = b; \\\n" 452 " }", getLLVMStyleWithColumns(20)); 453 454 verifyGoogleFormat("switch (x) {\n" 455 " case 1:\n" 456 " f();\n" 457 " break;\n" 458 " case kFoo:\n" 459 " case ns::kBar:\n" 460 " case kBaz:\n" 461 " break;\n" 462 " default:\n" 463 " g();\n" 464 " break;\n" 465 "}"); 466 verifyGoogleFormat("switch (x) {\n" 467 " case 1: {\n" 468 " f();\n" 469 " break;\n" 470 " }\n" 471 "}"); 472 verifyGoogleFormat("switch (test)\n" 473 " ;"); 474} 475 476TEST_F(FormatTest, FormatsLabels) { 477 verifyFormat("void f() {\n" 478 " some_code();\n" 479 "test_label:\n" 480 " some_other_code();\n" 481 " {\n" 482 " some_more_code();\n" 483 " another_label:\n" 484 " some_more_code();\n" 485 " }\n" 486 "}"); 487 verifyFormat("some_code();\n" 488 "test_label:\n" 489 "some_other_code();"); 490} 491 492//===----------------------------------------------------------------------===// 493// Tests for comments. 494//===----------------------------------------------------------------------===// 495 496TEST_F(FormatTest, UnderstandsSingleLineComments) { 497 verifyFormat("//* */"); 498 verifyFormat("// line 1\n" 499 "// line 2\n" 500 "void f() {}\n"); 501 502 verifyFormat("void f() {\n" 503 " // Doesn't do anything\n" 504 "}"); 505 verifyFormat("void f(int i, // some comment (probably for i)\n" 506 " int j, // some comment (probably for j)\n" 507 " int k); // some comment (probably for k)"); 508 verifyFormat("void f(int i,\n" 509 " // some comment (probably for j)\n" 510 " int j,\n" 511 " // some comment (probably for k)\n" 512 " int k);"); 513 514 verifyFormat("int i // This is a fancy variable\n" 515 " = 5; // with nicely aligned comment."); 516 517 verifyFormat("// Leading comment.\n" 518 "int a; // Trailing comment."); 519 verifyFormat("int a; // Trailing comment\n" 520 " // on 2\n" 521 " // or 3 lines.\n" 522 "int b;"); 523 verifyFormat("int a; // Trailing comment\n" 524 "\n" 525 "// Leading comment.\n" 526 "int b;"); 527 verifyFormat("int a; // Comment.\n" 528 " // More details.\n" 529 "int bbbb; // Another comment."); 530 verifyFormat( 531 "int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; // comment\n" 532 "int bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; // comment\n" 533 "int cccccccccccccccccccccccccccccc; // comment\n" 534 "int ddd; // looooooooooooooooooooooooong comment\n" 535 "int aaaaaaaaaaaaaaaaaaaaaaa; // comment\n" 536 "int bbbbbbbbbbbbbbbbbbbbb; // comment\n" 537 "int ccccccccccccccccccc; // comment"); 538 539 verifyFormat("#include \"a\" // comment\n" 540 "#include \"a/b/c\" // comment"); 541 verifyFormat("#include <a> // comment\n" 542 "#include <a/b/c> // comment"); 543 544 verifyFormat("enum E {\n" 545 " // comment\n" 546 " VAL_A, // comment\n" 547 " VAL_B\n" 548 "};"); 549 550 verifyFormat( 551 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" 552 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; // Trailing comment"); 553 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" 554 " // Comment inside a statement.\n" 555 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;"); 556 verifyFormat( 557 "bool aaaaaaaaaaaaa = // comment\n" 558 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n" 559 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaaa;"); 560 561 verifyFormat("int aaaa; // aaaaa\n" 562 "int aa; // aaaaaaa", 563 getLLVMStyleWithColumns(20)); 564 565 EXPECT_EQ("void f() { // This does something ..\n" 566 "}\n" 567 "int a; // This is unrelated", 568 format("void f() { // This does something ..\n" 569 " }\n" 570 "int a; // This is unrelated")); 571 EXPECT_EQ("void f() { // This does something ..\n" 572 "} // awesome..\n" 573 "\n" 574 "int a; // This is unrelated", 575 format("void f() { // This does something ..\n" 576 " } // awesome..\n" 577 " \n" 578 "int a; // This is unrelated")); 579 580 EXPECT_EQ("int i; // single line trailing comment", 581 format("int i;\\\n// single line trailing comment")); 582 583 verifyGoogleFormat("int a; // Trailing comment."); 584 585 verifyFormat("someFunction(anotherFunction( // Force break.\n" 586 " parameter));"); 587 588 verifyGoogleFormat("#endif // HEADER_GUARD"); 589 590 verifyFormat("const char *test[] = {\n" 591 " // A\n" 592 " \"aaaa\",\n" 593 " // B\n" 594 " \"aaaaa\",\n" 595 "};"); 596 verifyGoogleFormat( 597 "aaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 598 " aaaaaaaaaaaaaaaaaaaaaa); // 81 cols with this comment"); 599 EXPECT_EQ("D(a, {\n" 600 " // test\n" 601 " int a;\n" 602 "});", 603 format("D(a, {\n" 604 "// test\n" 605 "int a;\n" 606 "});")); 607} 608 609TEST_F(FormatTest, CanFormatCommentsLocally) { 610 EXPECT_EQ("int a; // comment\n" 611 "int b; // comment", 612 format("int a; // comment\n" 613 "int b; // comment", 614 0, 0, getLLVMStyle())); 615 EXPECT_EQ("int a; // comment\n" 616 " // line 2\n" 617 "int b;", 618 format("int a; // comment\n" 619 " // line 2\n" 620 "int b;", 621 28, 0, getLLVMStyle())); 622} 623 624TEST_F(FormatTest, RemovesTrailingWhitespaceOfComments) { 625 EXPECT_EQ("// comment", format("// comment ")); 626 EXPECT_EQ("int aaaaaaa, bbbbbbb; // comment", 627 format("int aaaaaaa, bbbbbbb; // comment ", 628 getLLVMStyleWithColumns(33))); 629} 630 631TEST_F(FormatTest, UnderstandsMultiLineComments) { 632 verifyFormat("f(/*test=*/ true);"); 633 EXPECT_EQ( 634 "f(aaaaaaaaaaaaaaaaaaaaaaaaa, /* Trailing comment for aa... */\n" 635 " bbbbbbbbbbbbbbbbbbbbbbbbb);", 636 format("f(aaaaaaaaaaaaaaaaaaaaaaaaa , /* Trailing comment for aa... */\n" 637 " bbbbbbbbbbbbbbbbbbbbbbbbb);")); 638 EXPECT_EQ( 639 "f(aaaaaaaaaaaaaaaaaaaaaaaaa,\n" 640 " /* Leading comment for bb... */ bbbbbbbbbbbbbbbbbbbbbbbbb);", 641 format("f(aaaaaaaaaaaaaaaaaaaaaaaaa , \n" 642 "/* Leading comment for bb... */ bbbbbbbbbbbbbbbbbbbbbbbbb);")); 643 644 FormatStyle NoBinPacking = getLLVMStyle(); 645 NoBinPacking.BinPackParameters = false; 646 verifyFormat("aaaaaaaa(/* parameter 1 */ aaaaaa,\n" 647 " /* parameter 2 */ aaaaaa,\n" 648 " /* parameter 3 */ aaaaaa,\n" 649 " /* parameter 4 */ aaaaaa);", 650 NoBinPacking); 651} 652 653TEST_F(FormatTest, AlignsMultiLineComments) { 654 EXPECT_EQ("/*\n" 655 " * Really multi-line\n" 656 " * comment.\n" 657 " */\n" 658 "void f() {}", 659 format(" /*\n" 660 " * Really multi-line\n" 661 " * comment.\n" 662 " */\n" 663 " void f() {}")); 664 EXPECT_EQ("class C {\n" 665 " /*\n" 666 " * Another multi-line\n" 667 " * comment.\n" 668 " */\n" 669 " void f() {}\n" 670 "};", 671 format("class C {\n" 672 "/*\n" 673 " * Another multi-line\n" 674 " * comment.\n" 675 " */\n" 676 "void f() {}\n" 677 "};")); 678 EXPECT_EQ("/*\n" 679 " 1. This is a comment with non-trivial formatting.\n" 680 " 1.1. We have to indent/outdent all lines equally\n" 681 " 1.1.1. to keep the formatting.\n" 682 " */", 683 format(" /*\n" 684 " 1. This is a comment with non-trivial formatting.\n" 685 " 1.1. We have to indent/outdent all lines equally\n" 686 " 1.1.1. to keep the formatting.\n" 687 " */")); 688 EXPECT_EQ("/*\n" 689 " Don't try to outdent if there's not enough inentation.\n" 690 " */", 691 format(" /*\n" 692 " Don't try to outdent if there's not enough inentation.\n" 693 " */")); 694} 695 696TEST_F(FormatTest, SplitsLongCxxComments) { 697 EXPECT_EQ("// A comment that\n" 698 "// doesn't fit on\n" 699 "// one line", 700 format("// A comment that doesn't fit on one line", 701 getLLVMStyleWithColumns(20))); 702 EXPECT_EQ("if (true) // A comment that\n" 703 " // doesn't fit on\n" 704 " // one line", 705 format("if (true) // A comment that doesn't fit on one line ", 706 getLLVMStyleWithColumns(30))); 707 EXPECT_EQ("// Don't_touch_leading_whitespace", 708 format("// Don't_touch_leading_whitespace", 709 getLLVMStyleWithColumns(20))); 710 EXPECT_EQ( 711 "//Don't add leading\n" 712 "//whitespace", 713 format("//Don't add leading whitespace", getLLVMStyleWithColumns(20))); 714 EXPECT_EQ("// A comment before\n" 715 "// a macro\n" 716 "// definition\n" 717 "#define a b", 718 format("// A comment before a macro definition\n" 719 "#define a b", 720 getLLVMStyleWithColumns(20))); 721} 722 723TEST_F(FormatTest, ParsesCommentsAdjacentToPPDirectives) { 724 EXPECT_EQ("namespace {}\n// Test\n#define A", 725 format("namespace {}\n // Test\n#define A")); 726 EXPECT_EQ("namespace {}\n/* Test */\n#define A", 727 format("namespace {}\n /* Test */\n#define A")); 728 EXPECT_EQ("namespace {}\n/* Test */ #define A", 729 format("namespace {}\n /* Test */ #define A")); 730} 731 732TEST_F(FormatTest, SplitsLongLinesInComments) { 733 EXPECT_EQ("/* This is a long\n" 734 " * comment that\n" 735 " * doesn't\n" 736 " * fit on one line.\n" 737 " */", 738 format("/* " 739 "This is a long " 740 "comment that " 741 "doesn't " 742 "fit on one line. */", 743 getLLVMStyleWithColumns(20))); 744 EXPECT_EQ("/*\n" 745 "This is a long\n" 746 "comment that doesn't\n" 747 "fit on one line.\n" 748 "*/", 749 format("/*\n" 750 "This is a long " 751 "comment that doesn't " 752 "fit on one line. \n" 753 "*/", getLLVMStyleWithColumns(20))); 754 EXPECT_EQ("/*\n" 755 " * This is a long\n" 756 " * comment that\n" 757 " * doesn't fit on\n" 758 " * one line.\n" 759 " */", 760 format("/* \n" 761 " * This is a long " 762 " comment that " 763 " doesn't fit on " 764 " one line. \n" 765 " */", getLLVMStyleWithColumns(20))); 766 EXPECT_EQ("/*\n" 767 " * This_is_a_comment_with_words_that_dont_fit_on_one_line\n" 768 " * so_it_should_be_broken\n" 769 " * wherever_a_space_occurs\n" 770 " */", 771 format("/*\n" 772 " * This_is_a_comment_with_words_that_dont_fit_on_one_line " 773 " so_it_should_be_broken " 774 " wherever_a_space_occurs \n" 775 " */", 776 getLLVMStyleWithColumns(20))); 777 EXPECT_EQ("/*\n" 778 " * This_comment_can_not_be_broken_into_lines\n" 779 " */", 780 format("/*\n" 781 " * This_comment_can_not_be_broken_into_lines\n" 782 " */", 783 getLLVMStyleWithColumns(20))); 784 EXPECT_EQ("{\n" 785 " /*\n" 786 " This is another\n" 787 " long comment that\n" 788 " doesn't fit on one\n" 789 " line 1234567890\n" 790 " */\n" 791 "}", 792 format("{\n" 793 "/*\n" 794 "This is another " 795 " long comment that " 796 " doesn't fit on one" 797 " line 1234567890\n" 798 "*/\n" 799 "}", getLLVMStyleWithColumns(20))); 800 EXPECT_EQ("{\n" 801 " /*\n" 802 " * This i s\n" 803 " * another comment\n" 804 " * t hat doesn' t\n" 805 " * fit on one l i\n" 806 " * n e\n" 807 " */\n" 808 "}", 809 format("{\n" 810 "/*\n" 811 " * This i s" 812 " another comment" 813 " t hat doesn' t" 814 " fit on one l i" 815 " n e\n" 816 " */\n" 817 "}", getLLVMStyleWithColumns(20))); 818 EXPECT_EQ("/*\n" 819 " * This is a long\n" 820 " * comment that\n" 821 " * doesn't fit on\n" 822 " * one line\n" 823 " */", 824 format(" /*\n" 825 " * This is a long comment that doesn't fit on one line\n" 826 " */", getLLVMStyleWithColumns(20))); 827 EXPECT_EQ("{\n" 828 " if (something) /* This is a\n" 829 "long comment */\n" 830 " ;\n" 831 "}", 832 format("{\n" 833 " if (something) /* This is a long comment */\n" 834 " ;\n" 835 "}", 836 getLLVMStyleWithColumns(30))); 837} 838 839TEST_F(FormatTest, SplitsLongLinesInCommentsInPreprocessor) { 840 EXPECT_EQ("#define X \\\n" 841 " /* \\\n" 842 " Test \\\n" 843 " Macro comment \\\n" 844 " with a long \\\n" 845 " line \\\n" 846 // FIXME: We should look at the length of the last line of the token 847 // instead of the full token's length. 848 //" */ \\\n" 849 " */\\\n" 850 " A + B", 851 format("#define X \\\n" 852 " /*\n" 853 " Test\n" 854 " Macro comment with a long line\n" 855 " */ \\\n" 856 " A + B", 857 getLLVMStyleWithColumns(20))); 858 EXPECT_EQ("#define X \\\n" 859 " /* Macro comment \\\n" 860 " with a long \\\n" 861 // FIXME: We should look at the length of the last line of the token 862 // instead of the full token's length. 863 //" line */ \\\n" 864 " line */\\\n" 865 " A + B", 866 format("#define X \\\n" 867 " /* Macro comment with a long\n" 868 " line */ \\\n" 869 " A + B", 870 getLLVMStyleWithColumns(20))); 871 EXPECT_EQ("#define X \\\n" 872 " /* Macro comment \\\n" 873 " * with a long \\\n" 874 // FIXME: We should look at the length of the last line of the token 875 // instead of the full token's length. 876 //" * line */ \\\n" 877 " * line */\\\n" 878 " A + B", 879 format("#define X \\\n" 880 " /* Macro comment with a long line */ \\\n" 881 " A + B", 882 getLLVMStyleWithColumns(20))); 883} 884 885TEST_F(FormatTest, CommentsInStaticInitializers) { 886 EXPECT_EQ( 887 "static SomeType type = { aaaaaaaaaaaaaaaaaaaa, /* comment */\n" 888 " aaaaaaaaaaaaaaaaaaaa /* comment */,\n" 889 " /* comment */ aaaaaaaaaaaaaaaaaaaa,\n" 890 " aaaaaaaaaaaaaaaaaaaa, // comment\n" 891 " aaaaaaaaaaaaaaaaaaaa };", 892 format("static SomeType type = { aaaaaaaaaaaaaaaaaaaa , /* comment */\n" 893 " aaaaaaaaaaaaaaaaaaaa /* comment */ ,\n" 894 " /* comment */ aaaaaaaaaaaaaaaaaaaa ,\n" 895 " aaaaaaaaaaaaaaaaaaaa , // comment\n" 896 " aaaaaaaaaaaaaaaaaaaa };")); 897 verifyFormat("static SomeType type = { aaaaaaaaaaa, // comment for aa...\n" 898 " bbbbbbbbbbb, ccccccccccc };"); 899 verifyFormat("static SomeType type = { aaaaaaaaaaa,\n" 900 " // comment for bb....\n" 901 " bbbbbbbbbbb, ccccccccccc };"); 902 verifyGoogleFormat( 903 "static SomeType type = { aaaaaaaaaaa, // comment for aa...\n" 904 " bbbbbbbbbbb, ccccccccccc };"); 905 verifyGoogleFormat("static SomeType type = { aaaaaaaaaaa,\n" 906 " // comment for bb....\n" 907 " bbbbbbbbbbb, ccccccccccc };"); 908 909 verifyFormat("S s = { { a, b, c }, // Group #1\n" 910 " { d, e, f }, // Group #2\n" 911 " { g, h, i } }; // Group #3"); 912 verifyFormat("S s = { { // Group #1\n" 913 " a, b, c },\n" 914 " { // Group #2\n" 915 " d, e, f },\n" 916 " { // Group #3\n" 917 " g, h, i } };"); 918 919 EXPECT_EQ("S s = {\n" 920 " // Some comment\n" 921 " a,\n" 922 "\n" 923 " // Comment after empty line\n" 924 " b\n" 925 "}", 926 format("S s = {\n" 927 " // Some comment\n" 928 " a,\n" 929 " \n" 930 " // Comment after empty line\n" 931 " b\n" 932 "}")); 933 EXPECT_EQ("S s = { a, b };", format("S s = {\n" 934 " a,\n" 935 "\n" 936 " b\n" 937 "};")); 938 verifyFormat("const uint8_t aaaaaaaaaaaaaaaaaaaaaa[0] = {\n" 939 " 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // comment\n" 940 " 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // comment\n" 941 " 0x00, 0x00, 0x00, 0x00 // comment\n" 942 "};"); 943} 944 945//===----------------------------------------------------------------------===// 946// Tests for classes, namespaces, etc. 947//===----------------------------------------------------------------------===// 948 949TEST_F(FormatTest, DoesNotBreakSemiAfterClassDecl) { 950 verifyFormat("class A {\n};"); 951} 952 953TEST_F(FormatTest, UnderstandsAccessSpecifiers) { 954 verifyFormat("class A {\n" 955 "public:\n" 956 "protected:\n" 957 "private:\n" 958 " void f() {}\n" 959 "};"); 960 verifyGoogleFormat("class A {\n" 961 " public:\n" 962 " protected:\n" 963 " private:\n" 964 " void f() {}\n" 965 "};"); 966} 967 968TEST_F(FormatTest, SeparatesLogicalBlocks) { 969 EXPECT_EQ("class A {\n" 970 "public:\n" 971 " void f();\n" 972 "\n" 973 "private:\n" 974 " void g() {}\n" 975 " // test\n" 976 "protected:\n" 977 " int h;\n" 978 "};", 979 format("class A {\n" 980 "public:\n" 981 "void f();\n" 982 "private:\n" 983 "void g() {}\n" 984 "// test\n" 985 "protected:\n" 986 "int h;\n" 987 "};")); 988} 989 990TEST_F(FormatTest, FormatsDerivedClass) { 991 verifyFormat("class A : public B {\n};"); 992 verifyFormat("class A : public ::B {\n};"); 993 994 verifyFormat( 995 "class AAAAAAAAAAAAAAAAAAAA : public BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB,\n" 996 " public CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC {\n" 997 "};\n"); 998 verifyFormat("class AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA :\n" 999 " public BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB,\n" 1000 " public CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC {\n" 1001 "};\n"); 1002 verifyFormat( 1003 "class A : public B, public C, public D, public E, public F, public G {\n" 1004 "};"); 1005 verifyFormat("class AAAAAAAAAAAA : public B,\n" 1006 " public C,\n" 1007 " public D,\n" 1008 " public E,\n" 1009 " public F,\n" 1010 " public G {\n" 1011 "};"); 1012} 1013 1014TEST_F(FormatTest, FormatsVariableDeclarationsAfterStructOrClass) { 1015 verifyFormat("class A {\n} a, b;"); 1016 verifyFormat("struct A {\n} a, b;"); 1017 verifyFormat("union A {\n} a;"); 1018} 1019 1020TEST_F(FormatTest, FormatsEnum) { 1021 verifyFormat("enum {\n" 1022 " Zero,\n" 1023 " One = 1,\n" 1024 " Two = One + 1,\n" 1025 " Three = (One + Two),\n" 1026 " Four = (Zero && (One ^ Two)) | (One << Two),\n" 1027 " Five = (One, Two, Three, Four, 5)\n" 1028 "};"); 1029 verifyFormat("enum Enum {\n" 1030 "};"); 1031 verifyFormat("enum {\n" 1032 "};"); 1033 verifyFormat("enum X E {\n} d;"); 1034 verifyFormat("enum __attribute__((...)) E {\n} d;"); 1035 verifyFormat("enum __declspec__((...)) E {\n} d;"); 1036 verifyFormat("enum X f() {\n a();\n return 42;\n}"); 1037} 1038 1039TEST_F(FormatTest, FormatsBitfields) { 1040 verifyFormat("struct Bitfields {\n" 1041 " unsigned sClass : 8;\n" 1042 " unsigned ValueKind : 2;\n" 1043 "};"); 1044} 1045 1046TEST_F(FormatTest, FormatsNamespaces) { 1047 verifyFormat("namespace some_namespace {\n" 1048 "class A {\n};\n" 1049 "void f() { f(); }\n" 1050 "}"); 1051 verifyFormat("namespace {\n" 1052 "class A {\n};\n" 1053 "void f() { f(); }\n" 1054 "}"); 1055 verifyFormat("inline namespace X {\n" 1056 "class A {\n};\n" 1057 "void f() { f(); }\n" 1058 "}"); 1059 verifyFormat("using namespace some_namespace;\n" 1060 "class A {\n};\n" 1061 "void f() { f(); }"); 1062 1063 // This code is more common than we thought; if we 1064 // layout this correctly the semicolon will go into 1065 // its own line, which is undesireable. 1066 verifyFormat("namespace {\n};"); 1067 verifyFormat("namespace {\n" 1068 "class A {\n" 1069 "};\n" 1070 "};"); 1071} 1072 1073TEST_F(FormatTest, FormatsExternC) { verifyFormat("extern \"C\" {\nint a;"); } 1074 1075TEST_F(FormatTest, FormatsInlineASM) { 1076 verifyFormat("asm(\"xyz\" : \"=a\"(a), \"=d\"(b) : \"a\"(data));"); 1077 verifyFormat( 1078 "asm(\"movq\\t%%rbx, %%rsi\\n\\t\"\n" 1079 " \"cpuid\\n\\t\"\n" 1080 " \"xchgq\\t%%rbx, %%rsi\\n\\t\"\n" 1081 " : \"=a\" (*rEAX), \"=S\" (*rEBX), \"=c\" (*rECX), \"=d\" (*rEDX)\n" 1082 " : \"a\"(value));"); 1083} 1084 1085TEST_F(FormatTest, FormatTryCatch) { 1086 // FIXME: Handle try-catch explicitly in the UnwrappedLineParser, then we'll 1087 // also not create single-line-blocks. 1088 verifyFormat("try {\n" 1089 " throw a * b;\n" 1090 "}\n" 1091 "catch (int a) {\n" 1092 " // Do nothing.\n" 1093 "}\n" 1094 "catch (...) {\n" 1095 " exit(42);\n" 1096 "}"); 1097 1098 // Function-level try statements. 1099 verifyFormat("int f() try { return 4; }\n" 1100 "catch (...) {\n" 1101 " return 5;\n" 1102 "}"); 1103 verifyFormat("class A {\n" 1104 " int a;\n" 1105 " A() try : a(0) {}\n" 1106 " catch (...) {\n" 1107 " throw;\n" 1108 " }\n" 1109 "};\n"); 1110} 1111 1112TEST_F(FormatTest, FormatObjCTryCatch) { 1113 verifyFormat("@try {\n" 1114 " f();\n" 1115 "}\n" 1116 "@catch (NSException e) {\n" 1117 " @throw;\n" 1118 "}\n" 1119 "@finally {\n" 1120 " exit(42);\n" 1121 "}"); 1122} 1123 1124TEST_F(FormatTest, StaticInitializers) { 1125 verifyFormat("static SomeClass SC = { 1, 'a' };"); 1126 1127 // FIXME: Format like enums if the static initializer does not fit on a line. 1128 verifyFormat( 1129 "static SomeClass WithALoooooooooooooooooooongName = {\n" 1130 " 100000000, \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"\n" 1131 "};"); 1132 1133 verifyFormat( 1134 "static SomeClass = { a, b, c, d, e, f, g, h, i, j,\n" 1135 " looooooooooooooooooooooooooooooooooongname,\n" 1136 " looooooooooooooooooooooooooooooong };"); 1137 // Allow bin-packing in static initializers as this would often lead to 1138 // terrible results, e.g.: 1139 verifyGoogleFormat( 1140 "static SomeClass = { a, b, c, d, e, f, g, h, i, j,\n" 1141 " looooooooooooooooooooooooooooooooooongname,\n" 1142 " looooooooooooooooooooooooooooooong };"); 1143} 1144 1145TEST_F(FormatTest, NestedStaticInitializers) { 1146 verifyFormat("static A x = { { {} } };\n"); 1147 verifyFormat("static A x = { { { init1, init2, init3, init4 },\n" 1148 " { init1, init2, init3, init4 } } };"); 1149 1150 verifyFormat("somes Status::global_reps[3] = {\n" 1151 " { kGlobalRef, OK_CODE, NULL, NULL, NULL },\n" 1152 " { kGlobalRef, CANCELLED_CODE, NULL, NULL, NULL },\n" 1153 " { kGlobalRef, UNKNOWN_CODE, NULL, NULL, NULL }\n" 1154 "};"); 1155 verifyGoogleFormat("somes Status::global_reps[3] = {\n" 1156 " { kGlobalRef, OK_CODE, NULL, NULL, NULL },\n" 1157 " { kGlobalRef, CANCELLED_CODE, NULL, NULL, NULL },\n" 1158 " { kGlobalRef, UNKNOWN_CODE, NULL, NULL, NULL }\n" 1159 "};"); 1160 verifyFormat( 1161 "CGRect cg_rect = { { rect.fLeft, rect.fTop },\n" 1162 " { rect.fRight - rect.fLeft, rect.fBottom - rect.fTop" 1163 " } };"); 1164 1165 verifyFormat( 1166 "SomeArrayOfSomeType a = { { { 1, 2, 3 }, { 1, 2, 3 },\n" 1167 " { 111111111111111111111111111111,\n" 1168 " 222222222222222222222222222222,\n" 1169 " 333333333333333333333333333333 },\n" 1170 " { 1, 2, 3 }, { 1, 2, 3 } } };"); 1171 verifyFormat( 1172 "SomeArrayOfSomeType a = { { { 1, 2, 3 } }, { { 1, 2, 3 } },\n" 1173 " { { 111111111111111111111111111111,\n" 1174 " 222222222222222222222222222222,\n" 1175 " 333333333333333333333333333333 } },\n" 1176 " { { 1, 2, 3 } }, { { 1, 2, 3 } } };"); 1177 1178 // FIXME: We might at some point want to handle this similar to parameter 1179 // lists, where we have an option to put each on a single line. 1180 verifyFormat( 1181 "struct {\n" 1182 " unsigned bit;\n" 1183 " const char *const name;\n" 1184 "} kBitsToOs[] = { { kOsMac, \"Mac\" }, { kOsWin, \"Windows\" },\n" 1185 " { kOsLinux, \"Linux\" }, { kOsCrOS, \"Chrome OS\" } };"); 1186} 1187 1188TEST_F(FormatTest, FormatsSmallMacroDefinitionsInSingleLine) { 1189 verifyFormat("#define ALooooooooooooooooooooooooooooooooooooooongMacro(" 1190 " \\\n" 1191 " aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)"); 1192} 1193 1194TEST_F(FormatTest, DoesNotBreakPureVirtualFunctionDefinition) { 1195 verifyFormat( 1196 "virtual void\n" 1197 "write(ELFWriter *writerrr, OwningPtr<FileOutputBuffer> &buffer) = 0;"); 1198} 1199 1200TEST_F(FormatTest, LayoutUnknownPPDirective) { 1201 EXPECT_EQ("#123 \"A string literal\"", 1202 format(" # 123 \"A string literal\"")); 1203 EXPECT_EQ("#;", format("#;")); 1204 verifyFormat("#\n;\n;\n;"); 1205} 1206 1207TEST_F(FormatTest, UnescapedEndOfLineEndsPPDirective) { 1208 EXPECT_EQ("#line 42 \"test\"\n", 1209 format("# \\\n line \\\n 42 \\\n \"test\"\n")); 1210 EXPECT_EQ("#define A B\n", format("# \\\n define \\\n A \\\n B\n", 1211 getLLVMStyleWithColumns(12))); 1212} 1213 1214TEST_F(FormatTest, EndOfFileEndsPPDirective) { 1215 EXPECT_EQ("#line 42 \"test\"", 1216 format("# \\\n line \\\n 42 \\\n \"test\"")); 1217 EXPECT_EQ("#define A B", format("# \\\n define \\\n A \\\n B")); 1218} 1219 1220TEST_F(FormatTest, IndentsPPDirectiveInReducedSpace) { 1221 verifyFormat("#define A(BB)", getLLVMStyleWithColumns(13)); 1222 verifyFormat("#define A( \\\n BB)", getLLVMStyleWithColumns(12)); 1223 verifyFormat("#define A( \\\n A, B)", getLLVMStyleWithColumns(12)); 1224 // FIXME: We never break before the macro name. 1225 verifyFormat("#define AA(\\\n B)", getLLVMStyleWithColumns(12)); 1226 1227 verifyFormat("#define A A\n#define A A"); 1228 verifyFormat("#define A(X) A\n#define A A"); 1229 1230 verifyFormat("#define Something Other", getLLVMStyleWithColumns(23)); 1231 verifyFormat("#define Something \\\n Other", getLLVMStyleWithColumns(22)); 1232} 1233 1234TEST_F(FormatTest, HandlePreprocessorDirectiveContext) { 1235 EXPECT_EQ("// somecomment\n" 1236 "#include \"a.h\"\n" 1237 "#define A( \\\n" 1238 " A, B)\n" 1239 "#include \"b.h\"\n" 1240 "// somecomment\n", 1241 format(" // somecomment\n" 1242 " #include \"a.h\"\n" 1243 "#define A(A,\\\n" 1244 " B)\n" 1245 " #include \"b.h\"\n" 1246 " // somecomment\n", 1247 getLLVMStyleWithColumns(13))); 1248} 1249 1250TEST_F(FormatTest, LayoutSingleHash) { EXPECT_EQ("#\na;", format("#\na;")); } 1251 1252TEST_F(FormatTest, LayoutCodeInMacroDefinitions) { 1253 EXPECT_EQ("#define A \\\n" 1254 " c; \\\n" 1255 " e;\n" 1256 "f;", 1257 format("#define A c; e;\n" 1258 "f;", 1259 getLLVMStyleWithColumns(14))); 1260} 1261 1262TEST_F(FormatTest, LayoutRemainingTokens) { EXPECT_EQ("{}", format("{}")); } 1263 1264TEST_F(FormatTest, LayoutSingleUnwrappedLineInMacro) { 1265 EXPECT_EQ("# define A\\\n b;", 1266 format("# define A b;", 11, 2, getLLVMStyleWithColumns(11))); 1267} 1268 1269TEST_F(FormatTest, MacroDefinitionInsideStatement) { 1270 EXPECT_EQ("int x,\n" 1271 "#define A\n" 1272 " y;", 1273 format("int x,\n#define A\ny;")); 1274} 1275 1276TEST_F(FormatTest, HashInMacroDefinition) { 1277 verifyFormat("#define A \\\n b #c;", getLLVMStyleWithColumns(11)); 1278 verifyFormat("#define A \\\n" 1279 " { \\\n" 1280 " f(#c);\\\n" 1281 " }", 1282 getLLVMStyleWithColumns(11)); 1283 1284 verifyFormat("#define A(X) \\\n" 1285 " void function##X()", 1286 getLLVMStyleWithColumns(22)); 1287 1288 verifyFormat("#define A(a, b, c) \\\n" 1289 " void a##b##c()", 1290 getLLVMStyleWithColumns(22)); 1291 1292 verifyFormat("#define A void # ## #", getLLVMStyleWithColumns(22)); 1293} 1294 1295TEST_F(FormatTest, RespectWhitespaceInMacroDefinitions) { 1296 verifyFormat("#define A (1)"); 1297} 1298 1299TEST_F(FormatTest, EmptyLinesInMacroDefinitions) { 1300 EXPECT_EQ("#define A b;", format("#define A \\\n" 1301 " \\\n" 1302 " b;", 1303 getLLVMStyleWithColumns(25))); 1304 EXPECT_EQ("#define A \\\n" 1305 " \\\n" 1306 " a; \\\n" 1307 " b;", 1308 format("#define A \\\n" 1309 " \\\n" 1310 " a; \\\n" 1311 " b;", 1312 getLLVMStyleWithColumns(11))); 1313 EXPECT_EQ("#define A \\\n" 1314 " a; \\\n" 1315 " \\\n" 1316 " b;", 1317 format("#define A \\\n" 1318 " a; \\\n" 1319 " \\\n" 1320 " b;", 1321 getLLVMStyleWithColumns(11))); 1322} 1323 1324TEST_F(FormatTest, MacroDefinitionsWithIncompleteCode) { 1325 verifyFormat("#define A :"); 1326 1327 // FIXME: Improve formatting of case labels in macros. 1328 verifyFormat("#define SOMECASES \\\n" 1329 " case 1: \\\n" 1330 " case 2\n", 1331 getLLVMStyleWithColumns(20)); 1332 1333 verifyFormat("#define A template <typename T>"); 1334 verifyFormat("#define STR(x) #x\n" 1335 "f(STR(this_is_a_string_literal{));"); 1336} 1337 1338TEST_F(FormatTest, IndentPreprocessorDirectivesAtZero) { 1339 EXPECT_EQ("{\n {\n#define A\n }\n}", format("{{\n#define A\n}}")); 1340} 1341 1342TEST_F(FormatTest, FormatHashIfNotAtStartOfLine) { 1343 verifyFormat("{\n { a #c; }\n}"); 1344} 1345 1346TEST_F(FormatTest, FormatUnbalancedStructuralElements) { 1347 EXPECT_EQ("#define A \\\n { \\\n {\nint i;", 1348 format("#define A { {\nint i;", getLLVMStyleWithColumns(11))); 1349 EXPECT_EQ("#define A \\\n } \\\n }\nint i;", 1350 format("#define A } }\nint i;", getLLVMStyleWithColumns(11))); 1351} 1352 1353TEST_F(FormatTest, EscapedNewlineAtStartOfTokenInMacroDefinition) { 1354 EXPECT_EQ( 1355 "#define A \\\n int i; \\\n int j;", 1356 format("#define A \\\nint i;\\\n int j;", getLLVMStyleWithColumns(11))); 1357} 1358 1359TEST_F(FormatTest, CalculateSpaceOnConsecutiveLinesInMacro) { 1360 verifyFormat("#define A \\\n" 1361 " int v( \\\n" 1362 " a); \\\n" 1363 " int i;", 1364 getLLVMStyleWithColumns(11)); 1365} 1366 1367TEST_F(FormatTest, MixingPreprocessorDirectivesAndNormalCode) { 1368 EXPECT_EQ( 1369 "#define ALooooooooooooooooooooooooooooooooooooooongMacro(" 1370 " \\\n" 1371 " aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)\n" 1372 "\n" 1373 "AlooooooooooooooooooooooooooooooooooooooongCaaaaaaaaaal(\n" 1374 " aLooooooooooooooooooooooonPaaaaaaaaaaaaaaaaaaaaarmmmm);\n", 1375 format(" #define ALooooooooooooooooooooooooooooooooooooooongMacro(" 1376 "\\\n" 1377 "aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)\n" 1378 " \n" 1379 " AlooooooooooooooooooooooooooooooooooooooongCaaaaaaaaaal(\n" 1380 " aLooooooooooooooooooooooonPaaaaaaaaaaaaaaaaaaaaarmmmm);\n")); 1381} 1382 1383TEST_F(FormatTest, LayoutStatementsAroundPreprocessorDirectives) { 1384 EXPECT_EQ("int\n" 1385 "#define A\n" 1386 "a;", 1387 format("int\n#define A\na;")); 1388 verifyFormat("functionCallTo(\n" 1389 " someOtherFunction(\n" 1390 " withSomeParameters, whichInSequence,\n" 1391 " areLongerThanALine(andAnotherCall,\n" 1392 "#define A B\n" 1393 " withMoreParamters,\n" 1394 " whichStronglyInfluenceTheLayout),\n" 1395 " andMoreParameters),\n" 1396 " trailing);", 1397 getLLVMStyleWithColumns(69)); 1398} 1399 1400TEST_F(FormatTest, LayoutBlockInsideParens) { 1401 EXPECT_EQ("functionCall({\n" 1402 " int i;\n" 1403 "});", 1404 format(" functionCall ( {int i;} );")); 1405} 1406 1407TEST_F(FormatTest, LayoutBlockInsideStatement) { 1408 EXPECT_EQ("SOME_MACRO { int i; }\n" 1409 "int i;", 1410 format(" SOME_MACRO {int i;} int i;")); 1411} 1412 1413TEST_F(FormatTest, LayoutNestedBlocks) { 1414 verifyFormat("void AddOsStrings(unsigned bitmask) {\n" 1415 " struct s {\n" 1416 " int i;\n" 1417 " };\n" 1418 " s kBitsToOs[] = { { 10 } };\n" 1419 " for (int i = 0; i < 10; ++i)\n" 1420 " return;\n" 1421 "}"); 1422} 1423 1424TEST_F(FormatTest, PutEmptyBlocksIntoOneLine) { 1425 EXPECT_EQ("{}", format("{}")); 1426 1427 // Negative test for enum. 1428 verifyFormat("enum E {\n};"); 1429 1430 // Note that when there's a missing ';', we still join... 1431 verifyFormat("enum E {}"); 1432} 1433 1434//===----------------------------------------------------------------------===// 1435// Line break tests. 1436//===----------------------------------------------------------------------===// 1437 1438TEST_F(FormatTest, FormatsFunctionDefinition) { 1439 verifyFormat("void f(int a, int b, int c, int d, int e, int f, int g," 1440 " int h, int j, int f,\n" 1441 " int c, int ddddddddddddd) {}"); 1442} 1443 1444TEST_F(FormatTest, FormatsAwesomeMethodCall) { 1445 verifyFormat( 1446 "SomeLongMethodName(SomeReallyLongMethod(CallOtherReallyLongMethod(\n" 1447 " parameter, parameter, parameter)),\n" 1448 " SecondLongCall(parameter));"); 1449} 1450 1451TEST_F(FormatTest, PreventConfusingIndents) { 1452 verifyFormat( 1453 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1454 " aaaaaaaaaaaaaaaaaaaaaaaa(\n" 1455 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" 1456 " aaaaaaaaaaaaaaaaaaaaaaaa);"); 1457 verifyFormat( 1458 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa[\n" 1459 " aaaaaaaaaaaaaaaaaaaaaaaa[\n" 1460 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa],\n" 1461 " aaaaaaaaaaaaaaaaaaaaaaaa];"); 1462 verifyFormat( 1463 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<\n" 1464 " aaaaaaaaaaaaaaaaaaaaaaaa<\n" 1465 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>,\n" 1466 " aaaaaaaaaaaaaaaaaaaaaaaa>;"); 1467 verifyFormat("int a = bbbb && ccc && fffff(\n" 1468 "#define A Just forcing a new line\n" 1469 " ddd);"); 1470} 1471 1472TEST_F(FormatTest, ConstructorInitializers) { 1473 verifyFormat("Constructor() : Initializer(FitsOnTheLine) {}"); 1474 verifyFormat("Constructor() : Inttializer(FitsOnTheLine) {}", 1475 getLLVMStyleWithColumns(45)); 1476 verifyFormat("Constructor()\n" 1477 " : Inttializer(FitsOnTheLine) {}", 1478 getLLVMStyleWithColumns(44)); 1479 verifyFormat("Constructor()\n" 1480 " : Inttializer(FitsOnTheLine) {}", 1481 getLLVMStyleWithColumns(43)); 1482 1483 verifyFormat( 1484 "SomeClass::Constructor()\n" 1485 " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}"); 1486 1487 verifyFormat( 1488 "SomeClass::Constructor()\n" 1489 " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" 1490 " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}"); 1491 verifyFormat( 1492 "SomeClass::Constructor()\n" 1493 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" 1494 " aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}"); 1495 1496 verifyFormat("Constructor()\n" 1497 " : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" 1498 " aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" 1499 " aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" 1500 " aaaaaaaaaaaaaaaaaaaaaaa() {}"); 1501 1502 verifyFormat("Constructor()\n" 1503 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1504 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}"); 1505 1506 verifyFormat("Constructor(int Parameter = 0)\n" 1507 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa),\n" 1508 " aaaaaaaaaaaa(aaaaaaaaaaaaaaaaa) {}"); 1509 1510 // Here a line could be saved by splitting the second initializer onto two 1511 // lines, but that is not desireable. 1512 verifyFormat("Constructor()\n" 1513 " : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaa),\n" 1514 " aaaaaaaaaaa(aaaaaaaaaaa),\n" 1515 " aaaaaaaaaaaaaaaaaaaaat(aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}"); 1516 1517 FormatStyle OnePerLine = getLLVMStyle(); 1518 OnePerLine.ConstructorInitializerAllOnOneLineOrOnePerLine = true; 1519 verifyFormat("SomeClass::Constructor()\n" 1520 " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" 1521 " aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" 1522 " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}", 1523 OnePerLine); 1524 verifyFormat("SomeClass::Constructor()\n" 1525 " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), // Some comment\n" 1526 " aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" 1527 " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}", 1528 OnePerLine); 1529 verifyFormat("MyClass::MyClass(int var)\n" 1530 " : some_var_(var), // 4 space indent\n" 1531 " some_other_var_(var + 1) { // lined up\n" 1532 "}", 1533 OnePerLine); 1534 verifyFormat("Constructor()\n" 1535 " : aaaaa(aaaaaa),\n" 1536 " aaaaa(aaaaaa),\n" 1537 " aaaaa(aaaaaa),\n" 1538 " aaaaa(aaaaaa),\n" 1539 " aaaaa(aaaaaa) {}", 1540 OnePerLine); 1541 1542 // This test takes VERY long when memoization is broken. 1543 OnePerLine.BinPackParameters = false; 1544 std::string input = "Constructor()\n" 1545 " : aaaa(a,\n"; 1546 for (unsigned i = 0, e = 80; i != e; ++i) { 1547 input += " a,\n"; 1548 } 1549 input += " a) {}"; 1550 verifyFormat(input, OnePerLine); 1551} 1552 1553TEST_F(FormatTest, BreaksAsHighAsPossible) { 1554 verifyFormat( 1555 "void f() {\n" 1556 " if ((aaaaaaaaaaaaaaaaaaaaaaaaaaaaa && aaaaaaaaaaaaaaaaaaaaaaaaaa) ||\n" 1557 " (bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb && bbbbbbbbbbbbbbbbbbbbbbbbbb))\n" 1558 " f();\n" 1559 "}"); 1560 verifyFormat("if (Intervals[i].getRange().getFirst() <\n" 1561 " Intervals[i - 1].getRange().getLast()) {\n}"); 1562} 1563 1564TEST_F(FormatTest, BreaksDesireably) { 1565 verifyFormat("if (aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa) ||\n" 1566 " aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa) ||\n" 1567 " aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa)) {\n}"); 1568 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1569 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)) {\n" 1570 "}"); 1571 1572 verifyFormat( 1573 "aaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" 1574 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}"); 1575 1576 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1577 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1578 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa));"); 1579 1580 verifyFormat( 1581 "aaaaaaaa(aaaaaaaaaaaaa, aaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1582 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)),\n" 1583 " aaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1584 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)));"); 1585 1586 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n" 1587 " (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); 1588 1589 verifyFormat( 1590 "void f() {\n" 1591 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&\n" 1592 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n" 1593 "}"); 1594 verifyFormat( 1595 "aaaaaa(new Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1596 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaa));"); 1597 verifyFormat( 1598 "aaaaaa(aaa, new Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1599 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaa));"); 1600 verifyFormat( 1601 "aaaaaaaaaaaaaaaaa(\n" 1602 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" 1603 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); 1604 1605 // This test case breaks on an incorrect memoization, i.e. an optimization not 1606 // taking into account the StopAt value. 1607 verifyFormat( 1608 "return aaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaa ||\n" 1609 " aaaaaaaaaaa(aaaaaaaaa) || aaaaaaaaaaaaaaaaaaaaaaa ||\n" 1610 " aaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaa ||\n" 1611 " (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); 1612 1613 verifyFormat("{\n {\n {\n" 1614 " Annotation.SpaceRequiredBefore =\n" 1615 " Line.Tokens[i - 1].Tok.isNot(tok::l_paren) &&\n" 1616 " Line.Tokens[i - 1].Tok.isNot(tok::l_square);\n" 1617 " }\n }\n}"); 1618} 1619 1620TEST_F(FormatTest, FormatsOneParameterPerLineIfNecessary) { 1621 FormatStyle NoBinPacking = getGoogleStyle(); 1622 NoBinPacking.BinPackParameters = false; 1623 verifyFormat("f(aaaaaaaaaaaaaaaaaaaa,\n" 1624 " aaaaaaaaaaaaaaaaaaaa,\n" 1625 " aaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaa);", 1626 NoBinPacking); 1627 verifyFormat("aaaaaaa(aaaaaaaaaaaaa,\n" 1628 " aaaaaaaaaaaaa,\n" 1629 " aaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa));", 1630 NoBinPacking); 1631 verifyFormat( 1632 "aaaaaaaa(aaaaaaaaaaaaa,\n" 1633 " aaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1634 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)),\n" 1635 " aaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1636 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)));", 1637 NoBinPacking); 1638 verifyFormat("aaaaaaaaaaaaaaa(aaaaaaaaa, aaaaaaaaa, aaaaaaaaaaaaaaaaaaaaa)\n" 1639 " .aaaaaaaaaaaaaaaaaa();", 1640 NoBinPacking); 1641 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1642 " aaaaaaaaaa, aaaaaaaaaa, aaaaaaaaaa, aaaaaaaaaaa);", 1643 NoBinPacking); 1644 1645 verifyFormat( 1646 "aaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa,\n" 1647 " aaaaaaaaaaaa,\n" 1648 " aaaaaaaaaaaa);", 1649 NoBinPacking); 1650 verifyFormat( 1651 "somefunction(someotherFunction(ddddddddddddddddddddddddddddddddddd,\n" 1652 " ddddddddddddddddddddddddddddd),\n" 1653 " test);", 1654 NoBinPacking); 1655 1656 verifyFormat("std::vector<aaaaaaaaaaaaaaaaaaaaaaa,\n" 1657 " aaaaaaaaaaaaaaaaaaaaaaa,\n" 1658 " aaaaaaaaaaaaaaaaaaaaaaa> aaaaaaaaaaaaaaaaaa;", 1659 NoBinPacking); 1660 verifyFormat("a(\"a\"\n" 1661 " \"a\",\n" 1662 " a);"); 1663 1664 NoBinPacking.AllowAllParametersOfDeclarationOnNextLine = false; 1665 verifyFormat("void aaaaaaaaaa(aaaaaaaaa,\n" 1666 " aaaaaaaaa,\n" 1667 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);", 1668 NoBinPacking); 1669 verifyFormat( 1670 "void f() {\n" 1671 " aaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaa, aaaaaaaaa, aaaaaaaaaaaaaaaaaaaaa)\n" 1672 " .aaaaaaa();\n" 1673 "}", 1674 NoBinPacking); 1675} 1676 1677TEST_F(FormatTest, FormatsBuilderPattern) { 1678 verifyFormat( 1679 "return llvm::StringSwitch<Reference::Kind>(name)\n" 1680 " .StartsWith(\".eh_frame_hdr\", ORDER_EH_FRAMEHDR)\n" 1681 " .StartsWith(\".eh_frame\", ORDER_EH_FRAME).StartsWith(\".init\", ORDER_INIT)\n" 1682 " .StartsWith(\".fini\", ORDER_FINI).StartsWith(\".hash\", ORDER_HASH)\n" 1683 " .Default(ORDER_TEXT);\n"); 1684 1685 verifyFormat("return aaaaaaaaaaaaaaaaa->aaaaa().aaaaaaaaaaaaa().aaaaaa() <\n" 1686 " aaaaaaaaaaaaaaa->aaaaa().aaaaaaaaaaaaa().aaaaaa();"); 1687 verifyFormat( 1688 "aaaaaaa->aaaaaaa\n" 1689 " ->aaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" 1690 " ->aaaaaaaa(aaaaaaaaaaaaaaa);"); 1691 verifyFormat( 1692 "aaaaaaaaaaaaaaaaaaa()->aaaaaa(bbbbb)->aaaaaaaaaaaaaaaaaaa( // break\n" 1693 " aaaaaaaaaaaaaa);"); 1694 verifyFormat( 1695 "aaaaaaaaaaaaaaaaaaaaaaa *aaaaaaaaa = aaaaaa->aaaaaaaaaaaa()\n" 1696 " ->aaaaaaaaaaaaaaaa(\n" 1697 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" 1698 " ->aaaaaaaaaaaaaaaaa();"); 1699} 1700 1701TEST_F(FormatTest, DoesNotBreakTrailingAnnotation) { 1702 verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" 1703 " LOCKS_EXCLUDED(aaaaaaaaaaaaa);"); 1704 verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) const\n" 1705 " LOCKS_EXCLUDED(aaaaaaaaaaaaa);"); 1706 verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) const\n" 1707 " LOCKS_EXCLUDED(aaaaaaaaaaaaa) {}"); 1708 verifyFormat( 1709 "void aaaaaaaaaaaaaaaaaa()\n" 1710 " __attribute__((aaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaa,\n" 1711 " aaaaaaaaaaaaaaaaaaaaaaaaa));"); 1712 verifyFormat("bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1713 " __attribute__((unused));"); 1714 1715 // FIXME: This is bad indentation, but generally hard to distinguish from a 1716 // function declaration. 1717 verifyFormat( 1718 "bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1719 "GUARDED_BY(aaaaaaaaaaaa);"); 1720} 1721 1722TEST_F(FormatTest, BreaksAccordingToOperatorPrecedence) { 1723 verifyFormat( 1724 "if (aaaaaaaaaaaaaaaaaaaaaaaaa ||\n" 1725 " bbbbbbbbbbbbbbbbbbbbbbbbb && ccccccccccccccccccccccccc) {\n}"); 1726 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa && bbbbbbbbbbbbbbbbbbbbbbbbb ||\n" 1727 " ccccccccccccccccccccccccc) {\n}"); 1728 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb ||\n" 1729 " ccccccccccccccccccccccccc) {\n}"); 1730 verifyFormat( 1731 "if ((aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb) &&\n" 1732 " ccccccccccccccccccccccccc) {\n}"); 1733 verifyFormat("return aaaa & AAAAAAAAAAAAAAAAAAAAAAAAAAAAA ||\n" 1734 " bbbb & BBBBBBBBBBBBBBBBBBBBBBBBBBBBB ||\n" 1735 " cccc & CCCCCCCCCCCCCCCCCCCCCCCCCC ||\n" 1736 " dddd & DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD;"); 1737 verifyFormat("if ((aaaaaaaaaa != aaaaaaaaaaaaaaa ||\n" 1738 " aaaaaaaaaaaaaaaaaaaaaaaa() >= aaaaaaaaaaaaaaaaaaaa) &&\n" 1739 " aaaaaaaaaaaaaaa != aa) {\n}"); 1740} 1741 1742TEST_F(FormatTest, BreaksAfterAssignments) { 1743 verifyFormat( 1744 "unsigned Cost =\n" 1745 " TTI.getMemoryOpCost(I->getOpcode(), VectorTy, SI->getAlignment(),\n" 1746 " SI->getPointerAddressSpaceee());\n"); 1747 verifyFormat( 1748 "CharSourceRange LineRange = CharSourceRange::getTokenRange(\n" 1749 " Line.Tokens.front().Tok.getLo(), Line.Tokens.back().Tok.getLoc());"); 1750 1751 verifyFormat( 1752 "aaaaaaaaaaaaaaaaaaaaaaaaaa aaaa = aaaaaaaaaaaaaa(0).aaaa()\n" 1753 " .aaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaaaaaaa);"); 1754} 1755 1756TEST_F(FormatTest, AlignsAfterAssignments) { 1757 verifyFormat( 1758 "int Result = aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" 1759 " aaaaaaaaaaaaaaaaaaaaaaaaa;"); 1760 verifyFormat( 1761 "Result += aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" 1762 " aaaaaaaaaaaaaaaaaaaaaaaaa;"); 1763 verifyFormat( 1764 "Result >>= aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" 1765 " aaaaaaaaaaaaaaaaaaaaaaaaa;"); 1766 verifyFormat( 1767 "int Result = (aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" 1768 " aaaaaaaaaaaaaaaaaaaaaaaaa);"); 1769 verifyFormat("double LooooooooooooooooooooooooongResult =\n" 1770 " aaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaa +\n" 1771 " aaaaaaaaaaaaaaaaaaaaaaaa;"); 1772} 1773 1774TEST_F(FormatTest, AlignsAfterReturn) { 1775 verifyFormat( 1776 "return aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" 1777 " aaaaaaaaaaaaaaaaaaaaaaaaa;"); 1778 verifyFormat( 1779 "return (aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" 1780 " aaaaaaaaaaaaaaaaaaaaaaaaa);"); 1781 verifyFormat( 1782 "return aaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >=\n" 1783 " aaaaaaaaaaaaaaaaaaaaaa();"); 1784 verifyFormat( 1785 "return (aaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >=\n" 1786 " aaaaaaaaaaaaaaaaaaaaaa());"); 1787} 1788 1789TEST_F(FormatTest, BreaksConditionalExpressions) { 1790 verifyFormat( 1791 "aaaa(aaaaaaaaaaaaaaaaaaaa,\n" 1792 " aaaaaaaaaaaaaaaaaaaaaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1793 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); 1794 verifyFormat( 1795 "aaaa(aaaaaaaaaaaaaaaaaaaa, aaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1796 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); 1797 verifyFormat( 1798 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa ? aaaa(aaaaaa)\n" 1799 " : aaaaaaaaaaaaa);"); 1800 verifyFormat( 1801 "aaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa,\n" 1802 " aaaaaaaaaaaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1803 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" 1804 " aaaaaaaaaaaaa);"); 1805 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1806 " ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1807 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" 1808 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1809 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); 1810 verifyFormat("aaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" 1811 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1812 " ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1813 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" 1814 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 1815 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" 1816 " aaaaaaaaaaaaaaaaaaaaaaaaaaa);"); 1817 1818 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1819 " ? aaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1820 " : aaaaaaaaaaaaaaaaaaaaaaaaaaa;"); 1821 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaa =\n" 1822 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1823 " ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1824 " : aaaaaaaaaaaaaaaa;"); 1825 verifyFormat( 1826 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1827 " ? aaaaaaaaaaaaaaa\n" 1828 " : aaaaaaaaaaaaaaa;"); 1829 verifyFormat("f(aaaaaaaaaaaaaaaa == // force break\n" 1830 " aaaaaaaaa\n" 1831 " ? b\n" 1832 " : c);"); 1833 verifyFormat( 1834 "unsigned Indent =\n" 1835 " format(TheLine.First, IndentForLevel[TheLine.Level] >= 0\n" 1836 " ? IndentForLevel[TheLine.Level]\n" 1837 " : TheLine * 2,\n" 1838 " TheLine.InPPDirective, PreviousEndOfLineColumn);", 1839 getLLVMStyleWithColumns(70)); 1840 1841 FormatStyle NoBinPacking = getLLVMStyle(); 1842 NoBinPacking.BinPackParameters = false; 1843 verifyFormat( 1844 "void f() {\n" 1845 " g(aaa,\n" 1846 " aaaaaaaaaa == aaaaaaaaaa ? aaaa : aaaaa,\n" 1847 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1848 " ? aaaaaaaaaaaaaaa\n" 1849 " : aaaaaaaaaaaaaaa);\n" 1850 "}", 1851 NoBinPacking); 1852} 1853 1854TEST_F(FormatTest, DeclarationsOfMultipleVariables) { 1855 verifyFormat("bool aaaaaaaaaaaaaaaaa = aaaaaa->aaaaaaaaaaaaaaaaa(),\n" 1856 " aaaaaaaaaaa = aaaaaa->aaaaaaaaaaa();"); 1857 verifyFormat("bool a = true, b = false;"); 1858 1859 verifyFormat("bool aaaaaaaaaaaaaaaaaaaaaaaaa =\n" 1860 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa),\n" 1861 " bbbbbbbbbbbbbbbbbbbbbbbbb =\n" 1862 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(bbbbbbbbbbbbbbbb);"); 1863 verifyFormat( 1864 "bool aaaaaaaaaaaaaaaaaaaaa =\n" 1865 " bbbbbbbbbbbbbbbbbbbbbbbbbbbb && cccccccccccccccccccccccccccc,\n" 1866 " d = e && f;"); 1867 1868} 1869 1870TEST_F(FormatTest, ConditionalExpressionsInBrackets) { 1871 verifyFormat("arr[foo ? bar : baz];"); 1872 verifyFormat("f()[foo ? bar : baz];"); 1873 verifyFormat("(a + b)[foo ? bar : baz];"); 1874 verifyFormat("arr[foo ? (4 > 5 ? 4 : 5) : 5 < 5 ? 5 : 7];"); 1875} 1876 1877TEST_F(FormatTest, AlignsStringLiterals) { 1878 verifyFormat("loooooooooooooooooooooooooongFunction(\"short literal \"\n" 1879 " \"short literal\");"); 1880 verifyFormat( 1881 "looooooooooooooooooooooooongFunction(\n" 1882 " \"short literal\"\n" 1883 " \"looooooooooooooooooooooooooooooooooooooooooooooooong literal\");"); 1884 verifyFormat("someFunction(\"Always break between multi-line\"\n" 1885 " \" string literals\",\n" 1886 " and, other, parameters);"); 1887 EXPECT_EQ("fun + \"1243\" /* comment */\n" 1888 " \"5678\";", 1889 format("fun + \"1243\" /* comment */\n" 1890 " \"5678\";", 1891 getLLVMStyleWithColumns(28))); 1892 EXPECT_EQ( 1893 "aaaaaa = \"aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaa \"\n" 1894 " \"aaaaaaaaaaaaaaaaaaaaa\"\n" 1895 " \"aaaaaaaaaaaaaaaa\";", 1896 format("aaaaaa =" 1897 "\"aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaa " 1898 "aaaaaaaaaaaaaaaaaaaaa\" " 1899 "\"aaaaaaaaaaaaaaaa\";")); 1900 verifyFormat("a = a + \"a\"\n" 1901 " \"a\"\n" 1902 " \"a\";"); 1903 1904 verifyFormat( 1905 "#define LL_FORMAT \"ll\"\n" 1906 "printf(\"aaaaa: %d, bbbbbb: %\" LL_FORMAT \"d, cccccccc: %\" LL_FORMAT\n" 1907 " \"d, ddddddddd: %\" LL_FORMAT \"d\");"); 1908} 1909 1910TEST_F(FormatTest, AlignsPipes) { 1911 verifyFormat( 1912 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1913 " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1914 " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;"); 1915 verifyFormat( 1916 "aaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaa\n" 1917 " << aaaaaaaaaaaaaaaaaaaa;"); 1918 verifyFormat( 1919 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1920 " << aaaaaaaaaaaaaaaaaaaaaaaaaaaa;"); 1921 verifyFormat( 1922 "llvm::outs() << \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"\n" 1923 " \"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\"\n" 1924 " << \"ccccccccccccccccccccccccccccccccccccccccccccccccc\";"); 1925 verifyFormat( 1926 "aaaaaaaa << (aaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1927 " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" 1928 " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaa;"); 1929 1930 verifyFormat("return out << \"somepacket = {\\n\"\n" 1931 " << \" aaaaaa = \" << pkt.aaaaaa << \"\\n\"\n" 1932 " << \" bbbb = \" << pkt.bbbb << \"\\n\"\n" 1933 " << \" cccccc = \" << pkt.cccccc << \"\\n\"\n" 1934 " << \" ddd = [\" << pkt.ddd << \"]\\n\"\n" 1935 " << \"}\";"); 1936 1937 verifyFormat( 1938 "llvm::outs() << \"aaaaaaaaaaaaaaaaa = \" << aaaaaaaaaaaaaaaaa\n" 1939 " << \"bbbbbbbbbbbbbbbbb = \" << bbbbbbbbbbbbbbbbb\n" 1940 " << \"ccccccccccccccccc = \" << ccccccccccccccccc\n" 1941 " << \"ddddddddddddddddd = \" << ddddddddddddddddd\n" 1942 " << \"eeeeeeeeeeeeeeeee = \" << eeeeeeeeeeeeeeeee;"); 1943 verifyFormat("llvm::outs() << aaaaaaaaaaaaaaaaaaaaaaaa << \"=\"\n" 1944 " << bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;"); 1945 1946 verifyFormat( 1947 "llvm::errs() << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 1948 " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();"); 1949} 1950 1951TEST_F(FormatTest, UnderstandsEquals) { 1952 verifyFormat( 1953 "aaaaaaaaaaaaaaaaa =\n" 1954 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;"); 1955 verifyFormat( 1956 "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" 1957 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}"); 1958 verifyFormat( 1959 "if (a) {\n" 1960 " f();\n" 1961 "} else if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" 1962 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n" 1963 "}"); 1964 1965 verifyFormat("if (int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" 1966 " 100000000 + 10000000) {\n}"); 1967} 1968 1969TEST_F(FormatTest, WrapsAtFunctionCallsIfNecessary) { 1970 verifyFormat("LoooooooooooooooooooooooooooooooooooooongObject\n" 1971 " .looooooooooooooooooooooooooooooooooooooongFunction();"); 1972 1973 verifyFormat("LoooooooooooooooooooooooooooooooooooooongObject\n" 1974 " ->looooooooooooooooooooooooooooooooooooooongFunction();"); 1975 1976 verifyFormat( 1977 "LooooooooooooooooooooooooooooooooongObject->shortFunction(Parameter1,\n" 1978 " Parameter2);"); 1979 1980 verifyFormat( 1981 "ShortObject->shortFunction(\n" 1982 " LooooooooooooooooooooooooooooooooooooooooooooooongParameter1,\n" 1983 " LooooooooooooooooooooooooooooooooooooooooooooooongParameter2);"); 1984 1985 verifyFormat("loooooooooooooongFunction(\n" 1986 " LoooooooooooooongObject->looooooooooooooooongFunction());"); 1987 1988 verifyFormat( 1989 "function(LoooooooooooooooooooooooooooooooooooongObject\n" 1990 " ->loooooooooooooooooooooooooooooooooooooooongFunction());"); 1991 1992 verifyFormat("EXPECT_CALL(SomeObject, SomeFunction(Parameter))\n" 1993 " .WillRepeatedly(Return(SomeValue));"); 1994 verifyFormat("SomeMap[std::pair(aaaaaaaaaaaa, bbbbbbbbbbbbbbb)]\n" 1995 " .insert(ccccccccccccccccccccccc);"); 1996 verifyFormat( 1997 "aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" 1998 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" 1999 " .aaaaaaaaaaaaaaa(\n" 2000 " aa(aaaaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" 2001 " aaaaaaaaaaaaaaaaaaaaaaaaaaa));"); 2002 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 2003 " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 2004 " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 2005 " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()) {\n" 2006 "}"); 2007 2008 // Here, it is not necessary to wrap at "." or "->". 2009 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaa) ||\n" 2010 " aaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}"); 2011 verifyFormat( 2012 "aaaaaaaaaaa->aaaaaaaaa(\n" 2013 " aaaaaaaaaaaaaaaaaaaaaaaaa,\n" 2014 " aaaaaaaaaaaaaaaaaa->aaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa));\n"); 2015 2016 verifyFormat( 2017 "aaaaaaaaaaaaaaaaaaaaaaaaa(\n" 2018 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa().aaaaaaaaaaaaaaaaa());"); 2019 verifyFormat("a->aaaaaa()->aaaaaaaaaaa(aaaaaaaa()->aaaaaa()->aaaaa() *\n" 2020 " aaaaaaaaa()->aaaaaa()->aaaaa());"); 2021 verifyFormat("a->aaaaaa()->aaaaaaaaaaa(aaaaaaaa()->aaaaaa()->aaaaa() ||\n" 2022 " aaaaaaaaa()->aaaaaa()->aaaaa());"); 2023 2024 // FIXME: Should we break before .a()? 2025 verifyFormat("aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" 2026 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa).a();"); 2027 2028 FormatStyle NoBinPacking = getLLVMStyle(); 2029 NoBinPacking.BinPackParameters = false; 2030 verifyFormat("aaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa)\n" 2031 " .aaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa)\n" 2032 " .aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaa,\n" 2033 " aaaaaaaaaaaaaaaaaaa,\n" 2034 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);", 2035 NoBinPacking); 2036} 2037 2038TEST_F(FormatTest, WrapsTemplateDeclarations) { 2039 verifyFormat("template <typename T>\n" 2040 "virtual void loooooooooooongFunction(int Param1, int Param2);"); 2041 verifyFormat( 2042 "template <typename T>\n" 2043 "using comment_to_xml_conversion = comment_to_xml_conversion<T, int>;"); 2044 verifyFormat("template <typename T>\n" 2045 "void f(int Paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaram1,\n" 2046 " int Paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaram2);"); 2047 verifyFormat( 2048 "template <typename T>\n" 2049 "void looooooooooooooooooooongFunction(int Paaaaaaaaaaaaaaaaaaaaram1,\n" 2050 " int Paaaaaaaaaaaaaaaaaaaaram2);"); 2051 verifyFormat( 2052 "template <typename T>\n" 2053 "aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaa,\n" 2054 " aaaaaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaaaaa,\n" 2055 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); 2056 verifyFormat("template <typename T>\n" 2057 "void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 2058 " int aaaaaaaaaaaaaaaaaaaaaa);"); 2059 verifyFormat( 2060 "template <typename T1, typename T2 = char, typename T3 = char,\n" 2061 " typename T4 = char>\n" 2062 "void f();"); 2063 verifyFormat( 2064 "aaaaaaaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa>(\n" 2065 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); 2066 2067 verifyFormat("a<aaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaa>(\n" 2068 " a(aaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa));"); 2069} 2070 2071TEST_F(FormatTest, WrapsAtNestedNameSpecifiers) { 2072 verifyFormat( 2073 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" 2074 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();"); 2075 verifyFormat( 2076 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" 2077 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 2078 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa());"); 2079 2080 // FIXME: Should we have an extra indent after the second break? 2081 verifyFormat( 2082 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" 2083 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" 2084 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();"); 2085 2086 // FIXME: Look into whether we should indent 4 from the start or 4 from 2087 // "bbbbb..." here instead of what we are doing now. 2088 verifyFormat( 2089 "aaaaaaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb::\n" 2090 " cccccccccccccccccccccccccccccccccccccccccccccc());"); 2091 2092 // Breaking at nested name specifiers is generally not desirable. 2093 verifyFormat( 2094 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 2095 " aaaaaaaaaaaaaaaaaaaaaaa);"); 2096 2097 verifyFormat( 2098 "aaaaaaaaaaaaaaaaaa(aaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" 2099 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" 2100 " aaaaaaaaaaaaaaaaaaaaa);", 2101 getLLVMStyleWithColumns(74)); 2102 2103 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" 2104 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" 2105 " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();"); 2106} 2107 2108TEST_F(FormatTest, UnderstandsTemplateParameters) { 2109 verifyFormat("A<int> a;"); 2110 verifyFormat("A<A<A<int> > > a;"); 2111 verifyFormat("A<A<A<int, 2>, 3>, 4> a;"); 2112 verifyFormat("bool x = a < 1 || 2 > a;"); 2113 verifyFormat("bool x = 5 < f<int>();"); 2114 verifyFormat("bool x = f<int>() > 5;"); 2115 verifyFormat("bool x = 5 < a<int>::x;"); 2116 verifyFormat("bool x = a < 4 ? a > 2 : false;"); 2117 verifyFormat("bool x = f() ? a < 2 : a > 2;"); 2118 2119 verifyGoogleFormat("A<A<int>> a;"); 2120 verifyGoogleFormat("A<A<A<int>>> a;"); 2121 verifyGoogleFormat("A<A<A<A<int>>>> a;"); 2122 verifyGoogleFormat("A<A<int> > a;"); 2123 verifyGoogleFormat("A<A<A<int> > > a;"); 2124 verifyGoogleFormat("A<A<A<A<int> > > > a;"); 2125 EXPECT_EQ("A<A<A<A>>> a;", format("A<A<A<A> >> a;", getGoogleStyle())); 2126 EXPECT_EQ("A<A<A<A>>> a;", format("A<A<A<A>> > a;", getGoogleStyle())); 2127 2128 verifyFormat("test >> a >> b;"); 2129 verifyFormat("test << a >> b;"); 2130 2131 verifyFormat("f<int>();"); 2132 verifyFormat("template <typename T> void f() {}"); 2133} 2134 2135TEST_F(FormatTest, UnderstandsBinaryOperators) { 2136 verifyFormat("COMPARE(a, ==, b);"); 2137} 2138 2139TEST_F(FormatTest, UnderstandsPointersToMembers) { 2140 verifyFormat("int A::*x;"); 2141 // FIXME: Recognize pointers to member functions. 2142 //verifyFormat("int (S::*func)(void *);"); 2143 verifyFormat("int(S::*func)(void *);"); 2144 verifyFormat("(a->*f)();"); 2145 verifyFormat("a->*x;"); 2146 verifyFormat("(a.*f)();"); 2147 verifyFormat("((*a).*f)();"); 2148 verifyFormat("a.*x;"); 2149} 2150 2151TEST_F(FormatTest, UnderstandsUnaryOperators) { 2152 verifyFormat("int a = -2;"); 2153 verifyFormat("f(-1, -2, -3);"); 2154 verifyFormat("a[-1] = 5;"); 2155 verifyFormat("int a = 5 + -2;"); 2156 verifyFormat("if (i == -1) {\n}"); 2157 verifyFormat("if (i != -1) {\n}"); 2158 verifyFormat("if (i > -1) {\n}"); 2159 verifyFormat("if (i < -1) {\n}"); 2160 verifyFormat("++(a->f());"); 2161 verifyFormat("--(a->f());"); 2162 verifyFormat("(a->f())++;"); 2163 verifyFormat("a[42]++;"); 2164 verifyFormat("if (!(a->f())) {\n}"); 2165 2166 verifyFormat("a-- > b;"); 2167 verifyFormat("b ? -a : c;"); 2168 verifyFormat("n * sizeof char16;"); 2169 verifyFormat("n * alignof char16;"); 2170 verifyFormat("sizeof(char);"); 2171 verifyFormat("alignof(char);"); 2172 2173 verifyFormat("return -1;"); 2174 verifyFormat("switch (a) {\n" 2175 "case -1:\n" 2176 " break;\n" 2177 "}"); 2178 verifyFormat("#define X -1"); 2179 verifyFormat("#define X -kConstant"); 2180 2181 verifyFormat("const NSPoint kBrowserFrameViewPatternOffset = { -5, +3 };"); 2182 verifyFormat("const NSPoint kBrowserFrameViewPatternOffset = { +5, -3 };"); 2183 2184 verifyFormat("int a = /* confusing comment */ -1;"); 2185 // FIXME: The space after 'i' is wrong, but hopefully, this is a rare case. 2186 verifyFormat("int a = i /* confusing comment */++;"); 2187} 2188 2189TEST_F(FormatTest, UndestandsOverloadedOperators) { 2190 verifyFormat("bool operator<();"); 2191 verifyFormat("bool operator>();"); 2192 verifyFormat("bool operator=();"); 2193 verifyFormat("bool operator==();"); 2194 verifyFormat("bool operator!=();"); 2195 verifyFormat("int operator+();"); 2196 verifyFormat("int operator++();"); 2197 verifyFormat("bool operator();"); 2198 verifyFormat("bool operator()();"); 2199 verifyFormat("bool operator[]();"); 2200 verifyFormat("operator bool();"); 2201 verifyFormat("operator int();"); 2202 verifyFormat("operator void *();"); 2203 verifyFormat("operator SomeType<int>();"); 2204 verifyFormat("operator SomeType<int, int>();"); 2205 verifyFormat("operator SomeType<SomeType<int> >();"); 2206 verifyFormat("void *operator new(std::size_t size);"); 2207 verifyFormat("void *operator new[](std::size_t size);"); 2208 verifyFormat("void operator delete(void *ptr);"); 2209 verifyFormat("void operator delete[](void *ptr);"); 2210 2211 verifyFormat( 2212 "ostream &operator<<(ostream &OutputStream,\n" 2213 " SomeReallyLongType WithSomeReallyLongValue);"); 2214 2215 verifyGoogleFormat("operator void*();"); 2216 verifyGoogleFormat("operator SomeType<SomeType<int>>();"); 2217} 2218 2219TEST_F(FormatTest, UnderstandsNewAndDelete) { 2220 verifyFormat("void f() {\n" 2221 " A *a = new A;\n" 2222 " A *a = new (placement) A;\n" 2223 " delete a;\n" 2224 " delete (A *)a;\n" 2225 "}"); 2226} 2227 2228TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) { 2229 verifyFormat("int *f(int *a) {}"); 2230 verifyFormat("int main(int argc, char **argv) {}"); 2231 verifyFormat("Test::Test(int b) : a(b * b) {}"); 2232 verifyIndependentOfContext("f(a, *a);"); 2233 verifyFormat("void g() { f(*a); }"); 2234 verifyIndependentOfContext("int a = b * 10;"); 2235 verifyIndependentOfContext("int a = 10 * b;"); 2236 verifyIndependentOfContext("int a = b * c;"); 2237 verifyIndependentOfContext("int a += b * c;"); 2238 verifyIndependentOfContext("int a -= b * c;"); 2239 verifyIndependentOfContext("int a *= b * c;"); 2240 verifyIndependentOfContext("int a /= b * c;"); 2241 verifyIndependentOfContext("int a = *b;"); 2242 verifyIndependentOfContext("int a = *b * c;"); 2243 verifyIndependentOfContext("int a = b * *c;"); 2244 verifyIndependentOfContext("return 10 * b;"); 2245 verifyIndependentOfContext("return *b * *c;"); 2246 verifyIndependentOfContext("return a & ~b;"); 2247 verifyIndependentOfContext("f(b ? *c : *d);"); 2248 verifyIndependentOfContext("int a = b ? *c : *d;"); 2249 verifyIndependentOfContext("*b = a;"); 2250 verifyIndependentOfContext("a * ~b;"); 2251 verifyIndependentOfContext("a * !b;"); 2252 verifyIndependentOfContext("a * +b;"); 2253 verifyIndependentOfContext("a * -b;"); 2254 verifyIndependentOfContext("a * ++b;"); 2255 verifyIndependentOfContext("a * --b;"); 2256 verifyIndependentOfContext("a[4] * b;"); 2257 verifyIndependentOfContext("a[a * a] = 1;"); 2258 verifyIndependentOfContext("f() * b;"); 2259 verifyIndependentOfContext("a * [self dostuff];"); 2260 verifyIndependentOfContext("int x = a * (a + b);"); 2261 verifyIndependentOfContext("(a *)(a + b);"); 2262 verifyIndependentOfContext("int *pa = (int *)&a;"); 2263 verifyIndependentOfContext("return sizeof(int **);"); 2264 verifyIndependentOfContext("return sizeof(int ******);"); 2265 verifyIndependentOfContext("return (int **&)a;"); 2266 verifyFormat("void f(Type (*parameter)[10]) {}"); 2267 verifyGoogleFormat("return sizeof(int**);"); 2268 verifyIndependentOfContext("Type **A = static_cast<Type **>(P);"); 2269 verifyGoogleFormat("Type** A = static_cast<Type**>(P);"); 2270 // FIXME: The newline is wrong. 2271 verifyFormat("auto a = [](int **&, int ***) {}\n;"); 2272 2273 verifyIndependentOfContext("InvalidRegions[*R] = 0;"); 2274 2275 verifyIndependentOfContext("A<int *> a;"); 2276 verifyIndependentOfContext("A<int **> a;"); 2277 verifyIndependentOfContext("A<int *, int *> a;"); 2278 verifyIndependentOfContext( 2279 "const char *const p = reinterpret_cast<const char *const>(q);"); 2280 verifyIndependentOfContext("A<int **, int **> a;"); 2281 verifyIndependentOfContext("void f(int *a = d * e, int *b = c * d);"); 2282 verifyFormat("for (char **a = b; *a; ++a) {\n}"); 2283 2284 verifyFormat( 2285 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" 2286 " aaaaaaaaaaaaaaaaaaaaaaaaaaaa, *aaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); 2287 2288 verifyGoogleFormat("int main(int argc, char** argv) {}"); 2289 verifyGoogleFormat("A<int*> a;"); 2290 verifyGoogleFormat("A<int**> a;"); 2291 verifyGoogleFormat("A<int*, int*> a;"); 2292 verifyGoogleFormat("A<int**, int**> a;"); 2293 verifyGoogleFormat("f(b ? *c : *d);"); 2294 verifyGoogleFormat("int a = b ? *c : *d;"); 2295 verifyGoogleFormat("Type* t = **x;"); 2296 verifyGoogleFormat("Type* t = *++*x;"); 2297 verifyGoogleFormat("*++*x;"); 2298 verifyGoogleFormat("Type* t = const_cast<T*>(&*x);"); 2299 verifyGoogleFormat("Type* t = x++ * y;"); 2300 verifyGoogleFormat( 2301 "const char* const p = reinterpret_cast<const char* const>(q);"); 2302 2303 verifyIndependentOfContext("a = *(x + y);"); 2304 verifyIndependentOfContext("a = &(x + y);"); 2305 verifyIndependentOfContext("*(x + y).call();"); 2306 verifyIndependentOfContext("&(x + y)->call();"); 2307 verifyFormat("void f() { &(*I).first; }"); 2308 2309 verifyIndependentOfContext("f(b * /* confusing comment */ ++c);"); 2310 verifyFormat( 2311 "int *MyValues = {\n" 2312 " *A, // Operator detection might be confused by the '{'\n" 2313 " *BB // Operator detection might be confused by previous comment\n" 2314 "};"); 2315 2316 verifyIndependentOfContext("if (int *a = &b)"); 2317 verifyIndependentOfContext("if (int &a = *b)"); 2318 verifyIndependentOfContext("if (a & b[i])"); 2319 verifyIndependentOfContext("if (a::b::c::d & b[i])"); 2320 verifyIndependentOfContext("if (*b[i])"); 2321 verifyIndependentOfContext("if (int *a = (&b))"); 2322 verifyIndependentOfContext("while (int *a = &b)"); 2323 verifyFormat("void f() {\n" 2324 " for (const int &v : Values) {\n" 2325 " }\n" 2326 "}"); 2327 verifyFormat("for (int i = a * a; i < 10; ++i) {\n}"); 2328 verifyFormat("for (int i = 0; i < a * a; ++i) {\n}"); 2329 2330 verifyIndependentOfContext("A = new SomeType *[Length];"); 2331 verifyIndependentOfContext("A = new SomeType *[Length]();"); 2332 verifyGoogleFormat("A = new SomeType* [Length]();"); 2333 verifyGoogleFormat("A = new SomeType* [Length];"); 2334} 2335 2336TEST_F(FormatTest, AdaptivelyFormatsPointersAndReferences) { 2337 EXPECT_EQ("int *a;\n" 2338 "int *a;\n" 2339 "int *a;", 2340 format("int *a;\n" 2341 "int* a;\n" 2342 "int *a;", 2343 getGoogleStyle())); 2344 EXPECT_EQ("int* a;\n" 2345 "int* a;\n" 2346 "int* a;", 2347 format("int* a;\n" 2348 "int* a;\n" 2349 "int *a;", 2350 getGoogleStyle())); 2351 EXPECT_EQ("int *a;\n" 2352 "int *a;\n" 2353 "int *a;", 2354 format("int *a;\n" 2355 "int * a;\n" 2356 "int * a;", 2357 getGoogleStyle())); 2358} 2359 2360TEST_F(FormatTest, UnderstandsRvalueReferences) { 2361 verifyFormat("int f(int &&a) {}"); 2362 verifyFormat("int f(int a, char &&b) {}"); 2363 verifyFormat("void f() { int &&a = b; }"); 2364 verifyGoogleFormat("int f(int a, char&& b) {}"); 2365 verifyGoogleFormat("void f() { int&& a = b; }"); 2366 2367 // FIXME: These require somewhat deeper changes in template arguments 2368 // formatting. 2369 // verifyIndependentOfContext("A<int &&> a;"); 2370 // verifyIndependentOfContext("A<int &&, int &&> a;"); 2371 // verifyGoogleFormat("A<int&&> a;"); 2372 // verifyGoogleFormat("A<int&&, int&&> a;"); 2373} 2374 2375TEST_F(FormatTest, FormatsBinaryOperatorsPrecedingEquals) { 2376 verifyFormat("void f() {\n" 2377 " x[aaaaaaaaa -\n" 2378 " b] = 23;\n" 2379 "}", 2380 getLLVMStyleWithColumns(15)); 2381} 2382 2383TEST_F(FormatTest, FormatsCasts) { 2384 verifyFormat("Type *A = static_cast<Type *>(P);"); 2385 verifyFormat("Type *A = (Type *)P;"); 2386 verifyFormat("Type *A = (vector<Type *, int *>)P;"); 2387 verifyFormat("int a = (int)(2.0f);"); 2388 2389 // FIXME: These also need to be identified. 2390 verifyFormat("int a = (int) 2.0f;"); 2391 verifyFormat("int a = (int) * b;"); 2392 2393 // These are not casts. 2394 verifyFormat("void f(int *) {}"); 2395 verifyFormat("f(foo)->b;"); 2396 verifyFormat("f(foo).b;"); 2397 verifyFormat("f(foo)(b);"); 2398 verifyFormat("f(foo)[b];"); 2399 verifyFormat("[](foo) { return 4; }(bar)];"); 2400 verifyFormat("(*funptr)(foo)[4];"); 2401 verifyFormat("funptrs[4](foo)[4];"); 2402 verifyFormat("void f(int *);"); 2403 verifyFormat("void f(int *) = 0;"); 2404 verifyFormat("void f(SmallVector<int>) {}"); 2405 verifyFormat("void f(SmallVector<int>);"); 2406 verifyFormat("void f(SmallVector<int>) = 0;"); 2407 verifyFormat("void f(int i = (kValue) * kMask) {}"); 2408 verifyFormat("void f(int i = (kA * kB) & kMask) {}"); 2409 verifyFormat("int a = sizeof(int) * b;"); 2410 verifyFormat("int a = alignof(int) * b;"); 2411 2412 // These are not casts, but at some point were confused with casts. 2413 verifyFormat("virtual void foo(int *) override;"); 2414 verifyFormat("virtual void foo(char &) const;"); 2415 verifyFormat("virtual void foo(int *a, char *) const;"); 2416 verifyFormat("int a = sizeof(int *) + b;"); 2417 verifyFormat("int a = alignof(int *) + b;"); 2418} 2419 2420TEST_F(FormatTest, FormatsFunctionTypes) { 2421 verifyFormat("A<bool()> a;"); 2422 verifyFormat("A<SomeType()> a;"); 2423 verifyFormat("A<void(*)(int, std::string)> a;"); 2424 verifyFormat("A<void *(int)>;"); 2425 verifyFormat("void *(*a)(int *, SomeType *);"); 2426 2427 // FIXME: Inconsistent. 2428 verifyFormat("int (*func)(void *);"); 2429 verifyFormat("void f() { int(*func)(void *); }"); 2430 2431 verifyGoogleFormat("A<void*(int*, SomeType*)>;"); 2432 verifyGoogleFormat("void* (*a)(int);"); 2433} 2434 2435TEST_F(FormatTest, BreaksLongDeclarations) { 2436 verifyFormat("int *someFunction(int LoooooooooooooooooooongParam1,\n" 2437 " int LoooooooooooooooooooongParam2) {}"); 2438 verifyFormat( 2439 "TypeSpecDecl *\n" 2440 "TypeSpecDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L,\n" 2441 " IdentifierIn *II, Type *T) {}"); 2442 verifyFormat("ReallyLongReturnType<TemplateParam1, TemplateParam2>\n" 2443 "ReallyReallyLongFunctionName(\n" 2444 " const std::string &SomeParameter,\n" 2445 " const SomeType<string, SomeOtherTemplateParameter> &\n" 2446 " ReallyReallyLongParameterName,\n" 2447 " const SomeType<string, SomeOtherTemplateParameter> &\n" 2448 " AnotherLongParameterName) {}"); 2449 verifyFormat( 2450 "aaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaa<aaaaaaaaaaaaa, aaaaaaaaaaaa>\n" 2451 "aaaaaaaaaaaaaaaaaaaaaaa;"); 2452 2453 verifyGoogleFormat( 2454 "TypeSpecDecl* TypeSpecDecl::Create(ASTContext& C, DeclContext* DC,\n" 2455 " SourceLocation L) {}"); 2456 verifyGoogleFormat( 2457 "some_namespace::LongReturnType\n" 2458 "long_namespace::SomeVeryLongClass::SomeVeryLongFunction(\n" 2459 " int first_long_parameter, int second_parameter) {}"); 2460 2461 verifyGoogleFormat("template <typename T>\n" 2462 "aaaaaaaa::aaaaa::aaaaaa<T, aaaaaaaaaaaaaaaaaaaaaaaaa>\n" 2463 "aaaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaa() {}"); 2464 verifyGoogleFormat("A<A<A>> aaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" 2465 " int aaaaaaaaaaaaaaaaaaaaaaa);"); 2466} 2467 2468TEST_F(FormatTest, LineStartsWithSpecialCharacter) { 2469 verifyFormat("(a)->b();"); 2470 verifyFormat("--a;"); 2471} 2472 2473TEST_F(FormatTest, HandlesIncludeDirectives) { 2474 verifyFormat("#include <string>\n" 2475 "#include <a/b/c.h>\n" 2476 "#include \"a/b/string\"\n" 2477 "#include \"string.h\"\n" 2478 "#include \"string.h\"\n" 2479 "#include <a-a>\n" 2480 "#include < path with space >\n" 2481 "#include \"some very long include paaaaaaaaaaaaaaaaaaaaaaath\"", 2482 getLLVMStyleWithColumns(35)); 2483 2484 verifyFormat("#import <string>"); 2485 verifyFormat("#import <a/b/c.h>"); 2486 verifyFormat("#import \"a/b/string\""); 2487 verifyFormat("#import \"string.h\""); 2488 verifyFormat("#import \"string.h\""); 2489} 2490 2491//===----------------------------------------------------------------------===// 2492// Error recovery tests. 2493//===----------------------------------------------------------------------===// 2494 2495TEST_F(FormatTest, IncompleteParameterLists) { 2496 FormatStyle NoBinPacking = getLLVMStyle(); 2497 NoBinPacking.BinPackParameters = false; 2498 verifyFormat("void aaaaaaaaaaaaaaaaaa(int level,\n" 2499 " double *min_x,\n" 2500 " double *max_x,\n" 2501 " double *min_y,\n" 2502 " double *max_y,\n" 2503 " double *min_z,\n" 2504 " double *max_z, ) {}", 2505 NoBinPacking); 2506} 2507 2508TEST_F(FormatTest, IncorrectCodeTrailingStuff) { 2509 verifyFormat("void f() { return; }\n42"); 2510 verifyFormat("void f() {\n" 2511 " if (0)\n" 2512 " return;\n" 2513 "}\n" 2514 "42"); 2515 verifyFormat("void f() { return }\n42"); 2516 verifyFormat("void f() {\n" 2517 " if (0)\n" 2518 " return\n" 2519 "}\n" 2520 "42"); 2521} 2522 2523TEST_F(FormatTest, IncorrectCodeMissingSemicolon) { 2524 EXPECT_EQ("void f() { return }", format("void f ( ) { return }")); 2525 EXPECT_EQ("void f() {\n" 2526 " if (a)\n" 2527 " return\n" 2528 "}", 2529 format("void f ( ) { if ( a ) return }")); 2530 EXPECT_EQ("namespace N { void f() }", format("namespace N { void f() }")); 2531 EXPECT_EQ("namespace N {\n" 2532 "void f() {}\n" 2533 "void g()\n" 2534 "}", 2535 format("namespace N { void f( ) { } void g( ) }")); 2536} 2537 2538TEST_F(FormatTest, IndentationWithinColumnLimitNotPossible) { 2539 verifyFormat("int aaaaaaaa =\n" 2540 " // Overlylongcomment\n" 2541 " b;", 2542 getLLVMStyleWithColumns(20)); 2543 verifyFormat("function(\n" 2544 " ShortArgument,\n" 2545 " LoooooooooooongArgument);\n", 2546 getLLVMStyleWithColumns(20)); 2547} 2548 2549TEST_F(FormatTest, IncorrectAccessSpecifier) { 2550 verifyFormat("public:"); 2551 verifyFormat("class A {\n" 2552 "public\n" 2553 " void f() {}\n" 2554 "};"); 2555 verifyFormat("public\n" 2556 "int qwerty;"); 2557 verifyFormat("public\n" 2558 "B {}"); 2559 verifyFormat("public\n" 2560 "{}"); 2561 verifyFormat("public\n" 2562 "B { int x; }"); 2563} 2564 2565TEST_F(FormatTest, IncorrectCodeUnbalancedBraces) { 2566 verifyFormat("{"); 2567 verifyFormat("#})"); 2568} 2569 2570TEST_F(FormatTest, IncorrectCodeDoNoWhile) { 2571 verifyFormat("do {\n}"); 2572 verifyFormat("do {\n}\n" 2573 "f();"); 2574 verifyFormat("do {\n}\n" 2575 "wheeee(fun);"); 2576 verifyFormat("do {\n" 2577 " f();\n" 2578 "}"); 2579} 2580 2581TEST_F(FormatTest, IncorrectCodeMissingParens) { 2582 verifyFormat("if {\n foo;\n foo();\n}"); 2583 verifyFormat("switch {\n foo;\n foo();\n}"); 2584 verifyFormat("for {\n foo;\n foo();\n}"); 2585 verifyFormat("while {\n foo;\n foo();\n}"); 2586 verifyFormat("do {\n foo;\n foo();\n} while;"); 2587} 2588 2589TEST_F(FormatTest, DoesNotTouchUnwrappedLinesWithErrors) { 2590 verifyFormat("namespace {\n" 2591 "class Foo { Foo ( }; } // comment"); 2592} 2593 2594TEST_F(FormatTest, IncorrectCodeErrorDetection) { 2595 EXPECT_EQ("{\n{}\n", format("{\n{\n}\n")); 2596 EXPECT_EQ("{\n {}\n", format("{\n {\n}\n")); 2597 EXPECT_EQ("{\n {}\n", format("{\n {\n }\n")); 2598 EXPECT_EQ("{\n {}\n }\n}\n", format("{\n {\n }\n }\n}\n")); 2599 2600 EXPECT_EQ("{\n" 2601 " {\n" 2602 " breakme(\n" 2603 " qwe);\n" 2604 "}\n", 2605 format("{\n" 2606 " {\n" 2607 " breakme(qwe);\n" 2608 "}\n", 2609 getLLVMStyleWithColumns(10))); 2610} 2611 2612TEST_F(FormatTest, LayoutCallsInsideBraceInitializers) { 2613 verifyFormat("int x = {\n" 2614 " avariable,\n" 2615 " b(alongervariable)\n" 2616 "};", 2617 getLLVMStyleWithColumns(25)); 2618} 2619 2620TEST_F(FormatTest, LayoutBraceInitializersInReturnStatement) { 2621 verifyFormat("return (a)(b) { 1, 2, 3 };"); 2622} 2623 2624TEST_F(FormatTest, LayoutTokensFollowingBlockInParentheses) { 2625 // FIXME: This is bad, find a better and more generic solution. 2626 verifyFormat( 2627 "Aaa({\n" 2628 " int i;\n" 2629 "},\n" 2630 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,\n" 2631 " ccccccccccccccccc));"); 2632} 2633 2634TEST_F(FormatTest, PullTrivialFunctionDefinitionsIntoSingleLine) { 2635 verifyFormat("void f() { return 42; }"); 2636 verifyFormat("void f() {\n" 2637 " // Comment\n" 2638 "}"); 2639 verifyFormat("{\n" 2640 "#error {\n" 2641 " int a;\n" 2642 "}"); 2643 verifyFormat("{\n" 2644 " int a;\n" 2645 "#error {\n" 2646 "}"); 2647 2648 verifyFormat("void f() { return 42; }", getLLVMStyleWithColumns(23)); 2649 verifyFormat("void f() {\n return 42;\n}", getLLVMStyleWithColumns(22)); 2650 2651 verifyFormat("void f() {}", getLLVMStyleWithColumns(11)); 2652 verifyFormat("void f() {\n}", getLLVMStyleWithColumns(10)); 2653} 2654 2655TEST_F(FormatTest, UnderstandContextOfRecordTypeKeywords) { 2656 // Elaborate type variable declarations. 2657 verifyFormat("struct foo a = { bar };\nint n;"); 2658 verifyFormat("class foo a = { bar };\nint n;"); 2659 verifyFormat("union foo a = { bar };\nint n;"); 2660 2661 // Elaborate types inside function definitions. 2662 verifyFormat("struct foo f() {}\nint n;"); 2663 verifyFormat("class foo f() {}\nint n;"); 2664 verifyFormat("union foo f() {}\nint n;"); 2665 2666 // Templates. 2667 verifyFormat("template <class X> void f() {}\nint n;"); 2668 verifyFormat("template <struct X> void f() {}\nint n;"); 2669 verifyFormat("template <union X> void f() {}\nint n;"); 2670 2671 // Actual definitions... 2672 verifyFormat("struct {\n} n;"); 2673 verifyFormat( 2674 "template <template <class T, class Y>, class Z> class X {\n} n;"); 2675 verifyFormat("union Z {\n int n;\n} x;"); 2676 verifyFormat("class MACRO Z {\n} n;"); 2677 verifyFormat("class MACRO(X) Z {\n} n;"); 2678 verifyFormat("class __attribute__(X) Z {\n} n;"); 2679 verifyFormat("class __declspec(X) Z {\n} n;"); 2680 verifyFormat("class A##B##C {\n} n;"); 2681 2682 // Redefinition from nested context: 2683 verifyFormat("class A::B::C {\n} n;"); 2684 2685 // Template definitions. 2686 // FIXME: This is still incorrectly handled at the formatter side. 2687 verifyFormat("template <> struct X < 15, i < 3 && 42 < 50 && 33<28> {\n};"); 2688 2689 // FIXME: 2690 // This now gets parsed incorrectly as class definition. 2691 // verifyFormat("class A<int> f() {\n}\nint n;"); 2692 2693 // Elaborate types where incorrectly parsing the structural element would 2694 // break the indent. 2695 verifyFormat("if (true)\n" 2696 " class X x;\n" 2697 "else\n" 2698 " f();\n"); 2699 2700 // This is simply incomplete. Formatting is not important, but must not crash. 2701 verifyFormat("class A:"); 2702} 2703 2704TEST_F(FormatTest, DoNotInterfereWithErrorAndWarning) { 2705 verifyFormat("#error Leave all white!!!!! space* alone!\n"); 2706 verifyFormat("#warning Leave all white!!!!! space* alone!\n"); 2707 EXPECT_EQ("#error 1", format(" # error 1")); 2708 EXPECT_EQ("#warning 1", format(" # warning 1")); 2709} 2710 2711TEST_F(FormatTest, MergeHandlingInTheFaceOfPreprocessorDirectives) { 2712 FormatStyle AllowsMergedIf = getGoogleStyle(); 2713 AllowsMergedIf.AllowShortIfStatementsOnASingleLine = true; 2714 verifyFormat("void f() { f(); }\n#error E", AllowsMergedIf); 2715 verifyFormat("if (true) return 42;\n#error E", AllowsMergedIf); 2716 verifyFormat("if (true)\n#error E\n return 42;", AllowsMergedIf); 2717 EXPECT_EQ("if (true) return 42;", 2718 format("if (true)\nreturn 42;", AllowsMergedIf)); 2719 FormatStyle ShortMergedIf = AllowsMergedIf; 2720 ShortMergedIf.ColumnLimit = 25; 2721 verifyFormat("#define A \\\n" 2722 " if (true) return 42;", 2723 ShortMergedIf); 2724 verifyFormat("#define A \\\n" 2725 " f(); \\\n" 2726 " if (true)\n" 2727 "#define B", 2728 ShortMergedIf); 2729 verifyFormat("#define A \\\n" 2730 " f(); \\\n" 2731 " if (true)\n" 2732 "g();", 2733 ShortMergedIf); 2734 verifyFormat("{\n" 2735 "#ifdef A\n" 2736 " // Comment\n" 2737 " if (true) continue;\n" 2738 "#endif\n" 2739 " // Comment\n" 2740 " if (true) continue;", 2741 ShortMergedIf); 2742} 2743 2744TEST_F(FormatTest, BlockCommentsInControlLoops) { 2745 verifyFormat("if (0) /* a comment in a strange place */ {\n" 2746 " f();\n" 2747 "}"); 2748 verifyFormat("if (0) /* a comment in a strange place */ {\n" 2749 " f();\n" 2750 "} /* another comment */ else /* comment #3 */ {\n" 2751 " g();\n" 2752 "}"); 2753 verifyFormat("while (0) /* a comment in a strange place */ {\n" 2754 " f();\n" 2755 "}"); 2756 verifyFormat("for (;;) /* a comment in a strange place */ {\n" 2757 " f();\n" 2758 "}"); 2759 verifyFormat("do /* a comment in a strange place */ {\n" 2760 " f();\n" 2761 "} /* another comment */ while (0);"); 2762} 2763 2764TEST_F(FormatTest, BlockComments) { 2765 EXPECT_EQ("/* */ /* */ /* */\n/* */ /* */ /* */", 2766 format("/* *//* */ /* */\n/* *//* */ /* */")); 2767 EXPECT_EQ("/* */ a /* */ b;", format(" /* */ a/* */ b;")); 2768 EXPECT_EQ("#define A /*123*/\\\n" 2769 " b\n" 2770 "/* */\n" 2771 "someCall(\n" 2772 " parameter);", 2773 format("#define A /*123*/ b\n" 2774 "/* */\n" 2775 "someCall(parameter);", 2776 getLLVMStyleWithColumns(15))); 2777 2778 EXPECT_EQ("#define A\n" 2779 "/* */ someCall(\n" 2780 " parameter);", 2781 format("#define A\n" 2782 "/* */someCall(parameter);", 2783 getLLVMStyleWithColumns(15))); 2784 2785 FormatStyle NoBinPacking = getLLVMStyle(); 2786 NoBinPacking.BinPackParameters = false; 2787 EXPECT_EQ("someFunction(1, /* comment 1 */\n" 2788 " 2, /* comment 2 */\n" 2789 " 3, /* comment 3 */\n" 2790 " aaaa,\n" 2791 " bbbb);", 2792 format("someFunction (1, /* comment 1 */\n" 2793 " 2, /* comment 2 */ \n" 2794 " 3, /* comment 3 */\n" 2795 "aaaa, bbbb );", 2796 NoBinPacking)); 2797 verifyFormat( 2798 "bool aaaaaaaaaaaaa = /* comment: */ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n" 2799 " aaaaaaaaaaaaaaaaaaaaaaaaaaaa;"); 2800 EXPECT_EQ( 2801 "bool aaaaaaaaaaaaa = /* trailing comment */\n" 2802 " aaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaa ||\n" 2803 " aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaa;", 2804 format( 2805 "bool aaaaaaaaaaaaa = /* trailing comment */\n" 2806 " aaaaaaaaaaaaaaaaaaaaaaaaaaa||aaaaaaaaaaaaaaaaaaaaaaaaa ||\n" 2807 " aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaa;")); 2808 EXPECT_EQ( 2809 "int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; /* comment */\n" 2810 "int bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; /* comment */\n" 2811 "int cccccccccccccccccccccccccccccc; /* comment */\n", 2812 format("int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; /* comment */\n" 2813 "int bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; /* comment */\n" 2814 "int cccccccccccccccccccccccccccccc; /* comment */\n")); 2815} 2816 2817TEST_F(FormatTest, BlockCommentsInMacros) { 2818 EXPECT_EQ("#define A \\\n" 2819 " { \\\n" 2820 " /* one line */ \\\n" 2821 " someCall();", 2822 format("#define A { \\\n" 2823 " /* one line */ \\\n" 2824 " someCall();", 2825 getLLVMStyleWithColumns(20))); 2826 EXPECT_EQ("#define A \\\n" 2827 " { \\\n" 2828 " /* previous */ \\\n" 2829 " /* one line */ \\\n" 2830 " someCall();", 2831 format("#define A { \\\n" 2832 " /* previous */ \\\n" 2833 " /* one line */ \\\n" 2834 " someCall();", 2835 getLLVMStyleWithColumns(20))); 2836} 2837 2838TEST_F(FormatTest, IndentLineCommentsInStartOfBlockAtEndOfFile) { 2839 // FIXME: This is not what we want... 2840 verifyFormat("{\n" 2841 "// a" 2842 "// b"); 2843} 2844 2845TEST_F(FormatTest, FormatStarDependingOnContext) { 2846 verifyFormat("void f(int *a);"); 2847 verifyFormat("void f() { f(fint * b); }"); 2848 verifyFormat("class A {\n void f(int *a);\n};"); 2849 verifyFormat("class A {\n int *a;\n};"); 2850 verifyFormat("namespace a {\n" 2851 "namespace b {\n" 2852 "class A {\n" 2853 " void f() {}\n" 2854 " int *a;\n" 2855 "};\n" 2856 "}\n" 2857 "}"); 2858} 2859 2860TEST_F(FormatTest, SpecialTokensAtEndOfLine) { 2861 verifyFormat("while"); 2862 verifyFormat("operator"); 2863} 2864 2865//===----------------------------------------------------------------------===// 2866// Objective-C tests. 2867//===----------------------------------------------------------------------===// 2868 2869TEST_F(FormatTest, FormatForObjectiveCMethodDecls) { 2870 verifyFormat("- (void)sendAction:(SEL)aSelector to:(BOOL)anObject;"); 2871 EXPECT_EQ("- (NSUInteger)indexOfObject:(id)anObject;", 2872 format("-(NSUInteger)indexOfObject:(id)anObject;")); 2873 EXPECT_EQ("- (NSInteger)Mthod1;", format("-(NSInteger)Mthod1;")); 2874 EXPECT_EQ("+ (id)Mthod2;", format("+(id)Mthod2;")); 2875 EXPECT_EQ("- (NSInteger)Method3:(id)anObject;", 2876 format("-(NSInteger)Method3:(id)anObject;")); 2877 EXPECT_EQ("- (NSInteger)Method4:(id)anObject;", 2878 format("-(NSInteger)Method4:(id)anObject;")); 2879 EXPECT_EQ("- (NSInteger)Method5:(id)anObject:(id)AnotherObject;", 2880 format("-(NSInteger)Method5:(id)anObject:(id)AnotherObject;")); 2881 EXPECT_EQ("- (id)Method6:(id)A:(id)B:(id)C:(id)D;", 2882 format("- (id)Method6:(id)A:(id)B:(id)C:(id)D;")); 2883 EXPECT_EQ( 2884 "- (void)sendAction:(SEL)aSelector to:(id)anObject forAllCells:(BOOL)flag;", 2885 format( 2886 "- (void)sendAction:(SEL)aSelector to:(id)anObject forAllCells:(BOOL)flag;")); 2887 2888 // Very long objectiveC method declaration. 2889 verifyFormat("- (NSUInteger)indexOfObject:(id)anObject\n" 2890 " inRange:(NSRange)range\n" 2891 " outRange:(NSRange)out_range\n" 2892 " outRange1:(NSRange)out_range1\n" 2893 " outRange2:(NSRange)out_range2\n" 2894 " outRange3:(NSRange)out_range3\n" 2895 " outRange4:(NSRange)out_range4\n" 2896 " outRange5:(NSRange)out_range5\n" 2897 " outRange6:(NSRange)out_range6\n" 2898 " outRange7:(NSRange)out_range7\n" 2899 " outRange8:(NSRange)out_range8\n" 2900 " outRange9:(NSRange)out_range9;"); 2901 2902 verifyFormat("- (int)sum:(vector<int>)numbers;"); 2903 verifyGoogleFormat("- (void)setDelegate:(id<Protocol>)delegate;"); 2904 // FIXME: In LLVM style, there should be a space in front of a '<' for ObjC 2905 // protocol lists (but not for template classes): 2906 //verifyFormat("- (void)setDelegate:(id <Protocol>)delegate;"); 2907 2908 verifyFormat("- (int(*)())foo:(int(*)())f;"); 2909 verifyGoogleFormat("- (int(*)())foo:(int(*)())foo;"); 2910 2911 // If there's no return type (very rare in practice!), LLVM and Google style 2912 // agree. 2913 verifyFormat("- foo;"); 2914 verifyFormat("- foo:(int)f;"); 2915 verifyGoogleFormat("- foo:(int)foo;"); 2916} 2917 2918TEST_F(FormatTest, FormatObjCBlocks) { 2919 verifyFormat("int (^Block)(int, int);"); 2920 verifyFormat("int (^Block1)(int, int) = ^(int i, int j)"); 2921} 2922 2923TEST_F(FormatTest, FormatObjCInterface) { 2924 verifyFormat("@interface Foo : NSObject <NSSomeDelegate> {\n" 2925 "@public\n" 2926 " int field1;\n" 2927 "@protected\n" 2928 " int field2;\n" 2929 "@private\n" 2930 " int field3;\n" 2931 "@package\n" 2932 " int field4;\n" 2933 "}\n" 2934 "+ (id)init;\n" 2935 "@end"); 2936 2937 verifyGoogleFormat("@interface Foo : NSObject<NSSomeDelegate> {\n" 2938 " @public\n" 2939 " int field1;\n" 2940 " @protected\n" 2941 " int field2;\n" 2942 " @private\n" 2943 " int field3;\n" 2944 " @package\n" 2945 " int field4;\n" 2946 "}\n" 2947 "+ (id)init;\n" 2948 "@end"); 2949 2950 verifyFormat("@interface /* wait for it */ Foo\n" 2951 "+ (id)init;\n" 2952 "// Look, a comment!\n" 2953 "- (int)answerWith:(int)i;\n" 2954 "@end"); 2955 2956 verifyFormat("@interface Foo\n" 2957 "@end\n" 2958 "@interface Bar\n" 2959 "@end"); 2960 2961 verifyFormat("@interface Foo : Bar\n" 2962 "+ (id)init;\n" 2963 "@end"); 2964 2965 verifyFormat("@interface Foo : /**/ Bar /**/ <Baz, /**/ Quux>\n" 2966 "+ (id)init;\n" 2967 "@end"); 2968 2969 verifyGoogleFormat("@interface Foo : Bar<Baz, Quux>\n" 2970 "+ (id)init;\n" 2971 "@end"); 2972 2973 verifyFormat("@interface Foo (HackStuff)\n" 2974 "+ (id)init;\n" 2975 "@end"); 2976 2977 verifyFormat("@interface Foo ()\n" 2978 "+ (id)init;\n" 2979 "@end"); 2980 2981 verifyFormat("@interface Foo (HackStuff) <MyProtocol>\n" 2982 "+ (id)init;\n" 2983 "@end"); 2984 2985 verifyGoogleFormat("@interface Foo (HackStuff)<MyProtocol>\n" 2986 "+ (id)init;\n" 2987 "@end"); 2988 2989 verifyFormat("@interface Foo {\n" 2990 " int _i;\n" 2991 "}\n" 2992 "+ (id)init;\n" 2993 "@end"); 2994 2995 verifyFormat("@interface Foo : Bar {\n" 2996 " int _i;\n" 2997 "}\n" 2998 "+ (id)init;\n" 2999 "@end"); 3000 3001 verifyFormat("@interface Foo : Bar <Baz, Quux> {\n" 3002 " int _i;\n" 3003 "}\n" 3004 "+ (id)init;\n" 3005 "@end"); 3006 3007 verifyFormat("@interface Foo (HackStuff) {\n" 3008 " int _i;\n" 3009 "}\n" 3010 "+ (id)init;\n" 3011 "@end"); 3012 3013 verifyFormat("@interface Foo () {\n" 3014 " int _i;\n" 3015 "}\n" 3016 "+ (id)init;\n" 3017 "@end"); 3018 3019 verifyFormat("@interface Foo (HackStuff) <MyProtocol> {\n" 3020 " int _i;\n" 3021 "}\n" 3022 "+ (id)init;\n" 3023 "@end"); 3024} 3025 3026TEST_F(FormatTest, FormatObjCImplementation) { 3027 verifyFormat("@implementation Foo : NSObject {\n" 3028 "@public\n" 3029 " int field1;\n" 3030 "@protected\n" 3031 " int field2;\n" 3032 "@private\n" 3033 " int field3;\n" 3034 "@package\n" 3035 " int field4;\n" 3036 "}\n" 3037 "+ (id)init {\n}\n" 3038 "@end"); 3039 3040 verifyGoogleFormat("@implementation Foo : NSObject {\n" 3041 " @public\n" 3042 " int field1;\n" 3043 " @protected\n" 3044 " int field2;\n" 3045 " @private\n" 3046 " int field3;\n" 3047 " @package\n" 3048 " int field4;\n" 3049 "}\n" 3050 "+ (id)init {\n}\n" 3051 "@end"); 3052 3053 verifyFormat("@implementation Foo\n" 3054 "+ (id)init {\n" 3055 " if (true)\n" 3056 " return nil;\n" 3057 "}\n" 3058 "// Look, a comment!\n" 3059 "- (int)answerWith:(int)i {\n" 3060 " return i;\n" 3061 "}\n" 3062 "+ (int)answerWith:(int)i {\n" 3063 " return i;\n" 3064 "}\n" 3065 "@end"); 3066 3067 verifyFormat("@implementation Foo\n" 3068 "@end\n" 3069 "@implementation Bar\n" 3070 "@end"); 3071 3072 verifyFormat("@implementation Foo : Bar\n" 3073 "+ (id)init {\n}\n" 3074 "- (void)foo {\n}\n" 3075 "@end"); 3076 3077 verifyFormat("@implementation Foo {\n" 3078 " int _i;\n" 3079 "}\n" 3080 "+ (id)init {\n}\n" 3081 "@end"); 3082 3083 verifyFormat("@implementation Foo : Bar {\n" 3084 " int _i;\n" 3085 "}\n" 3086 "+ (id)init {\n}\n" 3087 "@end"); 3088 3089 verifyFormat("@implementation Foo (HackStuff)\n" 3090 "+ (id)init {\n}\n" 3091 "@end"); 3092} 3093 3094TEST_F(FormatTest, FormatObjCProtocol) { 3095 verifyFormat("@protocol Foo\n" 3096 "@property(weak) id delegate;\n" 3097 "- (NSUInteger)numberOfThings;\n" 3098 "@end"); 3099 3100 verifyFormat("@protocol MyProtocol <NSObject>\n" 3101 "- (NSUInteger)numberOfThings;\n" 3102 "@end"); 3103 3104 verifyGoogleFormat("@protocol MyProtocol<NSObject>\n" 3105 "- (NSUInteger)numberOfThings;\n" 3106 "@end"); 3107 3108 verifyFormat("@protocol Foo;\n" 3109 "@protocol Bar;\n"); 3110 3111 verifyFormat("@protocol Foo\n" 3112 "@end\n" 3113 "@protocol Bar\n" 3114 "@end"); 3115 3116 verifyFormat("@protocol myProtocol\n" 3117 "- (void)mandatoryWithInt:(int)i;\n" 3118 "@optional\n" 3119 "- (void)optional;\n" 3120 "@required\n" 3121 "- (void)required;\n" 3122 "@optional\n" 3123 "@property(assign) int madProp;\n" 3124 "@end\n"); 3125} 3126 3127TEST_F(FormatTest, FormatObjCMethodDeclarations) { 3128 verifyFormat("- (void)doSomethingWith:(GTMFoo *)theFoo\n" 3129 " rect:(NSRect)theRect\n" 3130 " interval:(float)theInterval {\n" 3131 "}"); 3132 verifyFormat("- (void)shortf:(GTMFoo *)theFoo\n" 3133 " longKeyword:(NSRect)theRect\n" 3134 " evenLongerKeyword:(float)theInterval\n" 3135 " error:(NSError **)theError {\n" 3136 "}"); 3137} 3138 3139TEST_F(FormatTest, FormatObjCMethodExpr) { 3140 verifyFormat("[foo bar:baz];"); 3141 verifyFormat("return [foo bar:baz];"); 3142 verifyFormat("f([foo bar:baz]);"); 3143 verifyFormat("f(2, [foo bar:baz]);"); 3144 verifyFormat("f(2, a ? b : c);"); 3145 verifyFormat("[[self initWithInt:4] bar:[baz quux:arrrr]];"); 3146 3147 // Unary operators. 3148 verifyFormat("int a = +[foo bar:baz];"); 3149 verifyFormat("int a = -[foo bar:baz];"); 3150 verifyFormat("int a = ![foo bar:baz];"); 3151 verifyFormat("int a = ~[foo bar:baz];"); 3152 verifyFormat("int a = ++[foo bar:baz];"); 3153 verifyFormat("int a = --[foo bar:baz];"); 3154 verifyFormat("int a = sizeof [foo bar:baz];"); 3155 verifyFormat("int a = alignof [foo bar:baz];"); 3156 verifyFormat("int a = &[foo bar:baz];"); 3157 verifyFormat("int a = *[foo bar:baz];"); 3158 // FIXME: Make casts work, without breaking f()[4]. 3159 //verifyFormat("int a = (int)[foo bar:baz];"); 3160 //verifyFormat("return (int)[foo bar:baz];"); 3161 //verifyFormat("(void)[foo bar:baz];"); 3162 verifyFormat("return (MyType *)[self.tableView cellForRowAtIndexPath:cell];"); 3163 3164 // Binary operators. 3165 verifyFormat("[foo bar:baz], [foo bar:baz];"); 3166 verifyFormat("[foo bar:baz] = [foo bar:baz];"); 3167 verifyFormat("[foo bar:baz] *= [foo bar:baz];"); 3168 verifyFormat("[foo bar:baz] /= [foo bar:baz];"); 3169 verifyFormat("[foo bar:baz] %= [foo bar:baz];"); 3170 verifyFormat("[foo bar:baz] += [foo bar:baz];"); 3171 verifyFormat("[foo bar:baz] -= [foo bar:baz];"); 3172 verifyFormat("[foo bar:baz] <<= [foo bar:baz];"); 3173 verifyFormat("[foo bar:baz] >>= [foo bar:baz];"); 3174 verifyFormat("[foo bar:baz] &= [foo bar:baz];"); 3175 verifyFormat("[foo bar:baz] ^= [foo bar:baz];"); 3176 verifyFormat("[foo bar:baz] |= [foo bar:baz];"); 3177 verifyFormat("[foo bar:baz] ? [foo bar:baz] : [foo bar:baz];"); 3178 verifyFormat("[foo bar:baz] || [foo bar:baz];"); 3179 verifyFormat("[foo bar:baz] && [foo bar:baz];"); 3180 verifyFormat("[foo bar:baz] | [foo bar:baz];"); 3181 verifyFormat("[foo bar:baz] ^ [foo bar:baz];"); 3182 verifyFormat("[foo bar:baz] & [foo bar:baz];"); 3183 verifyFormat("[foo bar:baz] == [foo bar:baz];"); 3184 verifyFormat("[foo bar:baz] != [foo bar:baz];"); 3185 verifyFormat("[foo bar:baz] >= [foo bar:baz];"); 3186 verifyFormat("[foo bar:baz] <= [foo bar:baz];"); 3187 verifyFormat("[foo bar:baz] > [foo bar:baz];"); 3188 verifyFormat("[foo bar:baz] < [foo bar:baz];"); 3189 verifyFormat("[foo bar:baz] >> [foo bar:baz];"); 3190 verifyFormat("[foo bar:baz] << [foo bar:baz];"); 3191 verifyFormat("[foo bar:baz] - [foo bar:baz];"); 3192 verifyFormat("[foo bar:baz] + [foo bar:baz];"); 3193 verifyFormat("[foo bar:baz] * [foo bar:baz];"); 3194 verifyFormat("[foo bar:baz] / [foo bar:baz];"); 3195 verifyFormat("[foo bar:baz] % [foo bar:baz];"); 3196 // Whew! 3197 3198 verifyFormat("return in[42];"); 3199 verifyFormat("for (id foo in [self getStuffFor:bla]) {\n" 3200 "}"); 3201 3202 verifyFormat("[self stuffWithInt:(4 + 2) float:4.5];"); 3203 verifyFormat("[self stuffWithInt:a ? b : c float:4.5];"); 3204 verifyFormat("[self stuffWithInt:a ? [self foo:bar] : c];"); 3205 verifyFormat("[self stuffWithInt:a ? (e ? f : g) : c];"); 3206 verifyFormat("[cond ? obj1 : obj2 methodWithParam:param]"); 3207 verifyFormat("[button setAction:@selector(zoomOut:)];"); 3208 verifyFormat("[color getRed:&r green:&g blue:&b alpha:&a];"); 3209 3210 verifyFormat("arr[[self indexForFoo:a]];"); 3211 verifyFormat("throw [self errorFor:a];"); 3212 verifyFormat("@throw [self errorFor:a];"); 3213 3214 // This tests that the formatter doesn't break after "backing" but before ":", 3215 // which would be at 80 columns. 3216 verifyFormat( 3217 "void f() {\n" 3218 " if ((self = [super initWithContentRect:contentRect\n" 3219 " styleMask:styleMask\n" 3220 " backing:NSBackingStoreBuffered\n" 3221 " defer:YES]))"); 3222 3223 verifyFormat( 3224 "[foo checkThatBreakingAfterColonWorksOk:\n" 3225 " [bar ifItDoes:reduceOverallLineLengthLikeInThisCase]];"); 3226 3227 verifyFormat("[myObj short:arg1 // Force line break\n" 3228 " longKeyword:arg2\n" 3229 " evenLongerKeyword:arg3\n" 3230 " error:arg4];"); 3231 verifyFormat( 3232 "void f() {\n" 3233 " popup_window_.reset([[RenderWidgetPopupWindow alloc]\n" 3234 " initWithContentRect:NSMakeRect(origin_global.x, origin_global.y,\n" 3235 " pos.width(), pos.height())\n" 3236 " styleMask:NSBorderlessWindowMask\n" 3237 " backing:NSBackingStoreBuffered\n" 3238 " defer:NO]);\n" 3239 "}"); 3240 verifyFormat("[contentsContainer replaceSubview:[subviews objectAtIndex:0]\n" 3241 " with:contentsNativeView];"); 3242 3243 verifyFormat( 3244 "[pboard addTypes:[NSArray arrayWithObject:kBookmarkButtonDragType]\n" 3245 " owner:nillllll];"); 3246 3247 verifyFormat( 3248 "[pboard setData:[NSData dataWithBytes:&button length:sizeof(button)]\n" 3249 " forType:kBookmarkButtonDragType];"); 3250 3251 verifyFormat("[defaultCenter addObserver:self\n" 3252 " selector:@selector(willEnterFullscreen)\n" 3253 " name:kWillEnterFullscreenNotification\n" 3254 " object:nil];"); 3255 verifyFormat("[image_rep drawInRect:drawRect\n" 3256 " fromRect:NSZeroRect\n" 3257 " operation:NSCompositeCopy\n" 3258 " fraction:1.0\n" 3259 " respectFlipped:NO\n" 3260 " hints:nil];"); 3261 3262 verifyFormat( 3263 "scoped_nsobject<NSTextField> message(\n" 3264 " // The frame will be fixed up when |-setMessageText:| is called.\n" 3265 " [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 0, 0)]);"); 3266} 3267 3268TEST_F(FormatTest, ObjCAt) { 3269 verifyFormat("@autoreleasepool"); 3270 verifyFormat("@catch"); 3271 verifyFormat("@class"); 3272 verifyFormat("@compatibility_alias"); 3273 verifyFormat("@defs"); 3274 verifyFormat("@dynamic"); 3275 verifyFormat("@encode"); 3276 verifyFormat("@end"); 3277 verifyFormat("@finally"); 3278 verifyFormat("@implementation"); 3279 verifyFormat("@import"); 3280 verifyFormat("@interface"); 3281 verifyFormat("@optional"); 3282 verifyFormat("@package"); 3283 verifyFormat("@private"); 3284 verifyFormat("@property"); 3285 verifyFormat("@protected"); 3286 verifyFormat("@protocol"); 3287 verifyFormat("@public"); 3288 verifyFormat("@required"); 3289 verifyFormat("@selector"); 3290 verifyFormat("@synchronized"); 3291 verifyFormat("@synthesize"); 3292 verifyFormat("@throw"); 3293 verifyFormat("@try"); 3294 3295 EXPECT_EQ("@interface", format("@ interface")); 3296 3297 // The precise formatting of this doesn't matter, nobody writes code like 3298 // this. 3299 verifyFormat("@ /*foo*/ interface"); 3300} 3301 3302TEST_F(FormatTest, ObjCSnippets) { 3303 verifyFormat("@autoreleasepool {\n" 3304 " foo();\n" 3305 "}"); 3306 verifyFormat("@class Foo, Bar;"); 3307 verifyFormat("@compatibility_alias AliasName ExistingClass;"); 3308 verifyFormat("@dynamic textColor;"); 3309 verifyFormat("char *buf1 = @encode(int *);"); 3310 verifyFormat("char *buf1 = @encode(typeof(4 * 5));"); 3311 verifyFormat("char *buf1 = @encode(int **);"); 3312 verifyFormat("Protocol *proto = @protocol(p1);"); 3313 verifyFormat("SEL s = @selector(foo:);"); 3314 verifyFormat("@synchronized(self) {\n" 3315 " f();\n" 3316 "}"); 3317 3318 verifyFormat("@synthesize dropArrowPosition = dropArrowPosition_;"); 3319 verifyGoogleFormat("@synthesize dropArrowPosition = dropArrowPosition_;"); 3320 3321 verifyFormat("@property(assign, nonatomic) CGFloat hoverAlpha;"); 3322 verifyFormat("@property(assign, getter=isEditable) BOOL editable;"); 3323 verifyGoogleFormat("@property(assign, getter=isEditable) BOOL editable;"); 3324} 3325 3326TEST_F(FormatTest, ObjCLiterals) { 3327 verifyFormat("@\"String\""); 3328 verifyFormat("@1"); 3329 verifyFormat("@+4.8"); 3330 verifyFormat("@-4"); 3331 verifyFormat("@1LL"); 3332 verifyFormat("@.5"); 3333 verifyFormat("@'c'"); 3334 verifyFormat("@true"); 3335 3336 verifyFormat("NSNumber *smallestInt = @(-INT_MAX - 1);"); 3337 verifyFormat("NSNumber *piOverTwo = @(M_PI / 2);"); 3338 verifyFormat("NSNumber *favoriteColor = @(Green);"); 3339 verifyFormat("NSString *path = @(getenv(\"PATH\"));"); 3340 3341 verifyFormat("@["); 3342 verifyFormat("@[]"); 3343 verifyFormat( 3344 "NSArray *array = @[ @\" Hey \", NSApp, [NSNumber numberWithInt:42] ];"); 3345 verifyFormat("return @[ @3, @[], @[ @4, @5 ] ];"); 3346 3347 verifyFormat("@{"); 3348 verifyFormat("@{}"); 3349 verifyFormat("@{ @\"one\" : @1 }"); 3350 verifyFormat("return @{ @\"one\" : @1 };"); 3351 verifyFormat("@{ @\"one\" : @1, }"); 3352 verifyFormat("@{ @\"one\" : @{ @2 : @1 } }"); 3353 verifyFormat("@{ @\"one\" : @{ @2 : @1 }, }"); 3354 verifyFormat("@{ 1 > 2 ? @\"one\" : @\"two\" : 1 > 2 ? @1 : @2 }"); 3355 verifyFormat("[self setDict:@{}"); 3356 verifyFormat("[self setDict:@{ @1 : @2 }"); 3357 verifyFormat("NSLog(@\"%@\", @{ @1 : @2, @2 : @3 }[@1]);"); 3358 verifyFormat( 3359 "NSDictionary *masses = @{ @\"H\" : @1.0078, @\"He\" : @4.0026 };"); 3360 verifyFormat( 3361 "NSDictionary *settings = @{ AVEncoderKey : @(AVAudioQualityMax) };"); 3362 3363 // FIXME: Nested and multi-line array and dictionary literals need more work. 3364 verifyFormat( 3365 "NSDictionary *d = @{ @\"nam\" : NSUserNam(), @\"dte\" : [NSDate date],\n" 3366 " @\"processInfo\" : [NSProcessInfo processInfo] };"); 3367} 3368 3369TEST_F(FormatTest, ReformatRegionAdjustsIndent) { 3370 EXPECT_EQ("{\n" 3371 "{\n" 3372 "a;\n" 3373 "b;\n" 3374 "}\n" 3375 "}", 3376 format("{\n" 3377 "{\n" 3378 "a;\n" 3379 " b;\n" 3380 "}\n" 3381 "}", 3382 13, 2, getLLVMStyle())); 3383 EXPECT_EQ("{\n" 3384 "{\n" 3385 " a;\n" 3386 "b;\n" 3387 "}\n" 3388 "}", 3389 format("{\n" 3390 "{\n" 3391 " a;\n" 3392 "b;\n" 3393 "}\n" 3394 "}", 3395 9, 2, getLLVMStyle())); 3396 EXPECT_EQ("{\n" 3397 "{\n" 3398 "public:\n" 3399 " b;\n" 3400 "}\n" 3401 "}", 3402 format("{\n" 3403 "{\n" 3404 "public:\n" 3405 " b;\n" 3406 "}\n" 3407 "}", 3408 17, 2, getLLVMStyle())); 3409 EXPECT_EQ("{\n" 3410 "{\n" 3411 "a;\n" 3412 "}\n" 3413 "{\n" 3414 " b;\n" 3415 "}\n" 3416 "}", 3417 format("{\n" 3418 "{\n" 3419 "a;\n" 3420 "}\n" 3421 "{\n" 3422 " b;\n" 3423 "}\n" 3424 "}", 3425 22, 2, getLLVMStyle())); 3426 EXPECT_EQ(" {\n" 3427 " a;\n" 3428 " }", 3429 format(" {\n" 3430 "a;\n" 3431 " }", 3432 4, 2, getLLVMStyle())); 3433 EXPECT_EQ("void f() {}\n" 3434 "void g() {}", 3435 format("void f() {}\n" 3436 "void g() {}", 3437 13, 0, getLLVMStyle())); 3438 EXPECT_EQ("int a; // comment\n" 3439 " // line 2\n" 3440 "int b;", 3441 format("int a; // comment\n" 3442 " // line 2\n" 3443 " int b;", 3444 35, 0, getLLVMStyle())); 3445} 3446 3447TEST_F(FormatTest, BreakStringLiterals) { 3448 EXPECT_EQ("\"some text \"\n" 3449 "\"other\";", 3450 format("\"some text other\";", getLLVMStyleWithColumns(12))); 3451 EXPECT_EQ( 3452 "#define A \\\n" 3453 " \"some \" \\\n" 3454 " \"text \" \\\n" 3455 " \"other\";", 3456 format("#define A \"some text other\";", getLLVMStyleWithColumns(12))); 3457 EXPECT_EQ( 3458 "#define A \\\n" 3459 " \"so \" \\\n" 3460 " \"text \" \\\n" 3461 " \"other\";", 3462 format("#define A \"so text other\";", getLLVMStyleWithColumns(12))); 3463 3464 EXPECT_EQ("\"some text\"", 3465 format("\"some text\"", getLLVMStyleWithColumns(1))); 3466 EXPECT_EQ("\"some text\"", 3467 format("\"some text\"", getLLVMStyleWithColumns(11))); 3468 EXPECT_EQ("\"some \"\n" 3469 "\"text\"", 3470 format("\"some text\"", getLLVMStyleWithColumns(10))); 3471 EXPECT_EQ("\"some \"\n" 3472 "\"text\"", 3473 format("\"some text\"", getLLVMStyleWithColumns(7))); 3474 EXPECT_EQ("\"some\"\n" 3475 "\" text\"", 3476 format("\"some text\"", getLLVMStyleWithColumns(6))); 3477 EXPECT_EQ("\"some\"\n" 3478 "\" tex\"\n" 3479 "\" and\"", 3480 format("\"some tex and\"", getLLVMStyleWithColumns(6))); 3481 EXPECT_EQ("\"some\"\n" 3482 "\"/tex\"\n" 3483 "\"/and\"", 3484 format("\"some/tex/and\"", getLLVMStyleWithColumns(6))); 3485 3486 EXPECT_EQ("variable =\n" 3487 " \"long string \"\n" 3488 " \"literal\";", 3489 format("variable = \"long string literal\";", 3490 getLLVMStyleWithColumns(20))); 3491 3492 EXPECT_EQ("variable = f(\n" 3493 " \"long string \"\n" 3494 " \"literal\",\n" 3495 " short,\n" 3496 " loooooooooooooooooooong);", 3497 format("variable = f(\"long string literal\", short, " 3498 "loooooooooooooooooooong);", 3499 getLLVMStyleWithColumns(20))); 3500 EXPECT_EQ( 3501 "f(\"one two\".split(\n" 3502 " variable));", 3503 format("f(\"one two\".split(variable));", getLLVMStyleWithColumns(20))); 3504 EXPECT_EQ("f(\"one two three four five six \"\n" 3505 " \"seven\".split(\n" 3506 " really_looooong_variable));", 3507 format("f(\"one two three four five six seven\"." 3508 "split(really_looooong_variable));", 3509 getLLVMStyleWithColumns(33))); 3510 3511 EXPECT_EQ("f(\"some \"\n" 3512 " \"text\",\n" 3513 " other);", 3514 format("f(\"some text\", other);", getLLVMStyleWithColumns(10))); 3515 3516 // Only break as a last resort. 3517 verifyFormat( 3518 "aaaaaaaaaaaaaaaaaaaa(\n" 3519 " aaaaaaaaaaaaaaaaaaaa,\n" 3520 " aaaaaa(\"aaa aaaaa aaa aaa aaaaa aaa aaaaa aaa aaa aaaaaa\"));"); 3521 3522 EXPECT_EQ( 3523 "\"splitmea\"\n" 3524 "\"trandomp\"\n" 3525 "\"oint\"", 3526 format("\"splitmeatrandompoint\"", getLLVMStyleWithColumns(10))); 3527 3528 EXPECT_EQ( 3529 "\"split/\"\n" 3530 "\"pathat/\"\n" 3531 "\"slashes\"", 3532 format("\"split/pathat/slashes\"", getLLVMStyleWithColumns(10))); 3533} 3534 3535TEST_F(FormatTest, DoNotBreakStringLiteralsInEscapeSequence) { 3536 EXPECT_EQ("\"\\a\"", 3537 format("\"\\a\"", getLLVMStyleWithColumns(3))); 3538 EXPECT_EQ("\"\\\"", 3539 format("\"\\\"", getLLVMStyleWithColumns(2))); 3540 EXPECT_EQ("\"test\"\n" 3541 "\"\\n\"", 3542 format("\"test\\n\"", getLLVMStyleWithColumns(7))); 3543 EXPECT_EQ("\"tes\\\\\"\n" 3544 "\"n\"", 3545 format("\"tes\\\\n\"", getLLVMStyleWithColumns(7))); 3546 EXPECT_EQ("\"\\\\\\\\\"\n" 3547 "\"\\n\"", 3548 format("\"\\\\\\\\\\n\"", getLLVMStyleWithColumns(7))); 3549 EXPECT_EQ("\"\\uff01\"", 3550 format("\"\\uff01\"", getLLVMStyleWithColumns(7))); 3551 EXPECT_EQ("\"\\uff01\"\n" 3552 "\"test\"", 3553 format("\"\\uff01test\"", getLLVMStyleWithColumns(8))); 3554 EXPECT_EQ("\"\\Uff01ff02\"", 3555 format("\"\\Uff01ff02\"", getLLVMStyleWithColumns(11))); 3556 EXPECT_EQ("\"\\x000000000001\"\n" 3557 "\"next\"", 3558 format("\"\\x000000000001next\"", getLLVMStyleWithColumns(16))); 3559 EXPECT_EQ("\"\\x000000000001next\"", 3560 format("\"\\x000000000001next\"", getLLVMStyleWithColumns(15))); 3561 EXPECT_EQ("\"\\x000000000001\"", 3562 format("\"\\x000000000001\"", getLLVMStyleWithColumns(7))); 3563 EXPECT_EQ("\"test\"\n" 3564 "\"\\000000\"\n" 3565 "\"000001\"", 3566 format("\"test\\000000000001\"", getLLVMStyleWithColumns(9))); 3567 EXPECT_EQ("\"test\\000\"\n" 3568 "\"000000001\"", 3569 format("\"test\\000000000001\"", getLLVMStyleWithColumns(10))); 3570 EXPECT_EQ("R\"(\\x\\x00)\"\n", 3571 format("R\"(\\x\\x00)\"\n", getLLVMStyleWithColumns(7))); 3572} 3573 3574} // end namespace tooling 3575} // end namespace clang 3576