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29//
30// Author: wan@google.com (Zhanyong Wan)
31
32// Google Mock - a framework for writing C++ mock classes.
33//
34// This file tests the internal utilities.
35
36#include "gmock/internal/gmock-internal-utils.h"
37#include <stdlib.h>
38#include <map>
39#include <string>
40#include <sstream>
41#include <vector>
42#include "gmock/gmock.h"
43#include "gmock/internal/gmock-port.h"
44#include "gtest/gtest.h"
45#include "gtest/gtest-spi.h"
46
47#if GTEST_OS_CYGWIN
48# include <sys/types.h>  // For ssize_t. NOLINT
49#endif
50
51class ProtocolMessage;
52
53namespace proto2 {
54class Message;
55}  // namespace proto2
56
57namespace testing {
58namespace internal {
59
60namespace {
61
62using ::std::tr1::make_tuple;
63using ::std::tr1::tuple;
64
65TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) {
66  EXPECT_EQ("", ConvertIdentifierNameToWords(""));
67  EXPECT_EQ("", ConvertIdentifierNameToWords("_"));
68  EXPECT_EQ("", ConvertIdentifierNameToWords("__"));
69}
70
71TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsDigits) {
72  EXPECT_EQ("1", ConvertIdentifierNameToWords("_1"));
73  EXPECT_EQ("2", ConvertIdentifierNameToWords("2_"));
74  EXPECT_EQ("34", ConvertIdentifierNameToWords("_34_"));
75  EXPECT_EQ("34 56", ConvertIdentifierNameToWords("_34_56"));
76}
77
78TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsCamelCaseWords) {
79  EXPECT_EQ("a big word", ConvertIdentifierNameToWords("ABigWord"));
80  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("FooBar"));
81  EXPECT_EQ("foo", ConvertIdentifierNameToWords("Foo_"));
82  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_Foo_Bar_"));
83  EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_Foo__And_Bar"));
84}
85
86TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContains_SeparatedWords) {
87  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("foo_bar"));
88  EXPECT_EQ("foo", ConvertIdentifierNameToWords("_foo_"));
89  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_foo_bar_"));
90  EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_foo__and_bar"));
91}
92
93TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) {
94  EXPECT_EQ("foo bar 123", ConvertIdentifierNameToWords("Foo_bar123"));
95  EXPECT_EQ("chapter 11 section 1",
96            ConvertIdentifierNameToWords("_Chapter11Section_1_"));
97}
98
99TEST(PointeeOfTest, WorksForSmartPointers) {
100  CompileAssertTypesEqual<const char,
101      PointeeOf<internal::linked_ptr<const char> >::type>();
102}
103
104TEST(PointeeOfTest, WorksForRawPointers) {
105  CompileAssertTypesEqual<int, PointeeOf<int*>::type>();
106  CompileAssertTypesEqual<const char, PointeeOf<const char*>::type>();
107  CompileAssertTypesEqual<void, PointeeOf<void*>::type>();
108}
109
110TEST(GetRawPointerTest, WorksForSmartPointers) {
111  const char* const raw_p4 = new const char('a');  // NOLINT
112  const internal::linked_ptr<const char> p4(raw_p4);
113  EXPECT_EQ(raw_p4, GetRawPointer(p4));
114}
115
116TEST(GetRawPointerTest, WorksForRawPointers) {
117  int* p = NULL;
118  // Don't use EXPECT_EQ as no NULL-testing magic on Symbian.
119  EXPECT_TRUE(NULL == GetRawPointer(p));
120  int n = 1;
121  EXPECT_EQ(&n, GetRawPointer(&n));
122}
123
124// Tests KindOf<T>.
125
126class Base {};
127class Derived : public Base {};
128
129TEST(KindOfTest, Bool) {
130  EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool));  // NOLINT
131}
132
133TEST(KindOfTest, Integer) {
134  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char));  // NOLINT
135  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char));  // NOLINT
136  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char));  // NOLINT
137  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short));  // NOLINT
138  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short));  // NOLINT
139  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int));  // NOLINT
140  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int));  // NOLINT
141  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long));  // NOLINT
142  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long));  // NOLINT
143  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t));  // NOLINT
144  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(Int64));  // NOLINT
145  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(UInt64));  // NOLINT
146  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t));  // NOLINT
147#if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN
148  // ssize_t is not defined on Windows and possibly some other OSes.
149  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t));  // NOLINT
150#endif
151}
152
153TEST(KindOfTest, FloatingPoint) {
154  EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float));  // NOLINT
155  EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double));  // NOLINT
156  EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double));  // NOLINT
157}
158
159TEST(KindOfTest, Other) {
160  EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*));  // NOLINT
161  EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**));  // NOLINT
162  EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base));  // NOLINT
163}
164
165// Tests LosslessArithmeticConvertible<T, U>.
166
167TEST(LosslessArithmeticConvertibleTest, BoolToBool) {
168  EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value));
169}
170
171TEST(LosslessArithmeticConvertibleTest, BoolToInteger) {
172  EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value));
173  EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value));
174  EXPECT_TRUE(
175      (LosslessArithmeticConvertible<bool, unsigned long>::value));  // NOLINT
176}
177
178TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) {
179  EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value));
180  EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value));
181}
182
183TEST(LosslessArithmeticConvertibleTest, IntegerToBool) {
184  EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value));
185  EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value));
186}
187
188TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) {
189  // Unsigned => larger signed is fine.
190  EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value));
191
192  // Unsigned => larger unsigned is fine.
193  EXPECT_TRUE(
194      (LosslessArithmeticConvertible<unsigned short, UInt64>::value)); // NOLINT
195
196  // Signed => unsigned is not fine.
197  EXPECT_FALSE((LosslessArithmeticConvertible<short, UInt64>::value)); // NOLINT
198  EXPECT_FALSE((LosslessArithmeticConvertible<
199      signed char, unsigned int>::value));  // NOLINT
200
201  // Same size and same signedness: fine too.
202  EXPECT_TRUE((LosslessArithmeticConvertible<
203               unsigned char, unsigned char>::value));
204  EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value));
205  EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value));
206  EXPECT_TRUE((LosslessArithmeticConvertible<
207               unsigned long, unsigned long>::value));  // NOLINT
208
209  // Same size, different signedness: not fine.
210  EXPECT_FALSE((LosslessArithmeticConvertible<
211                unsigned char, signed char>::value));
212  EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value));
213  EXPECT_FALSE((LosslessArithmeticConvertible<UInt64, Int64>::value));
214
215  // Larger size => smaller size is not fine.
216  EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value));  // NOLINT
217  EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value));
218  EXPECT_FALSE((LosslessArithmeticConvertible<Int64, unsigned int>::value));
219}
220
221TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) {
222  // Integers cannot be losslessly converted to floating-points, as
223  // the format of the latter is implementation-defined.
224  EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value));
225  EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value));
226  EXPECT_FALSE((LosslessArithmeticConvertible<
227                short, long double>::value));  // NOLINT
228}
229
230TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) {
231  EXPECT_FALSE((LosslessArithmeticConvertible<float, bool>::value));
232  EXPECT_FALSE((LosslessArithmeticConvertible<double, bool>::value));
233}
234
235TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) {
236  EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value));  // NOLINT
237  EXPECT_FALSE((LosslessArithmeticConvertible<double, Int64>::value));
238  EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value));
239}
240
241TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) {
242  // Smaller size => larger size is fine.
243  EXPECT_TRUE((LosslessArithmeticConvertible<float, double>::value));
244  EXPECT_TRUE((LosslessArithmeticConvertible<float, long double>::value));
245  EXPECT_TRUE((LosslessArithmeticConvertible<double, long double>::value));
246
247  // Same size: fine.
248  EXPECT_TRUE((LosslessArithmeticConvertible<float, float>::value));
249  EXPECT_TRUE((LosslessArithmeticConvertible<double, double>::value));
250
251  // Larger size => smaller size is not fine.
252  EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value));
253  if (sizeof(double) == sizeof(long double)) {  // NOLINT
254    // In some implementations (e.g. MSVC), double and long double
255    // have the same size.
256    EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value));
257  } else {
258    EXPECT_FALSE((LosslessArithmeticConvertible<long double, double>::value));
259  }
260}
261
262// Tests the TupleMatches() template function.
263
264TEST(TupleMatchesTest, WorksForSize0) {
265  tuple<> matchers;
266  tuple<> values;
267
268  EXPECT_TRUE(TupleMatches(matchers, values));
269}
270
271TEST(TupleMatchesTest, WorksForSize1) {
272  tuple<Matcher<int> > matchers(Eq(1));
273  tuple<int> values1(1),
274      values2(2);
275
276  EXPECT_TRUE(TupleMatches(matchers, values1));
277  EXPECT_FALSE(TupleMatches(matchers, values2));
278}
279
280TEST(TupleMatchesTest, WorksForSize2) {
281  tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a'));
282  tuple<int, char> values1(1, 'a'),
283      values2(1, 'b'),
284      values3(2, 'a'),
285      values4(2, 'b');
286
287  EXPECT_TRUE(TupleMatches(matchers, values1));
288  EXPECT_FALSE(TupleMatches(matchers, values2));
289  EXPECT_FALSE(TupleMatches(matchers, values3));
290  EXPECT_FALSE(TupleMatches(matchers, values4));
291}
292
293TEST(TupleMatchesTest, WorksForSize5) {
294  tuple<Matcher<int>, Matcher<char>, Matcher<bool>, Matcher<long>,  // NOLINT
295      Matcher<string> >
296      matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi"));
297  tuple<int, char, bool, long, string>  // NOLINT
298      values1(1, 'a', true, 2L, "hi"),
299      values2(1, 'a', true, 2L, "hello"),
300      values3(2, 'a', true, 2L, "hi");
301
302  EXPECT_TRUE(TupleMatches(matchers, values1));
303  EXPECT_FALSE(TupleMatches(matchers, values2));
304  EXPECT_FALSE(TupleMatches(matchers, values3));
305}
306
307// Tests that Assert(true, ...) succeeds.
308TEST(AssertTest, SucceedsOnTrue) {
309  Assert(true, __FILE__, __LINE__, "This should succeed.");
310  Assert(true, __FILE__, __LINE__);  // This should succeed too.
311}
312
313// Tests that Assert(false, ...) generates a fatal failure.
314TEST(AssertTest, FailsFatallyOnFalse) {
315  EXPECT_DEATH_IF_SUPPORTED({
316    Assert(false, __FILE__, __LINE__, "This should fail.");
317  }, "");
318
319  EXPECT_DEATH_IF_SUPPORTED({
320    Assert(false, __FILE__, __LINE__);
321  }, "");
322}
323
324// Tests that Expect(true, ...) succeeds.
325TEST(ExpectTest, SucceedsOnTrue) {
326  Expect(true, __FILE__, __LINE__, "This should succeed.");
327  Expect(true, __FILE__, __LINE__);  // This should succeed too.
328}
329
330// Tests that Expect(false, ...) generates a non-fatal failure.
331TEST(ExpectTest, FailsNonfatallyOnFalse) {
332  EXPECT_NONFATAL_FAILURE({  // NOLINT
333    Expect(false, __FILE__, __LINE__, "This should fail.");
334  }, "This should fail");
335
336  EXPECT_NONFATAL_FAILURE({  // NOLINT
337    Expect(false, __FILE__, __LINE__);
338  }, "Expectation failed");
339}
340
341// Tests LogIsVisible().
342
343class LogIsVisibleTest : public ::testing::Test {
344 protected:
345  virtual void SetUp() {
346    original_verbose_ = GMOCK_FLAG(verbose);
347  }
348
349  virtual void TearDown() { GMOCK_FLAG(verbose) = original_verbose_; }
350
351  string original_verbose_;
352};
353
354TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) {
355  GMOCK_FLAG(verbose) = kInfoVerbosity;
356  EXPECT_TRUE(LogIsVisible(kInfo));
357  EXPECT_TRUE(LogIsVisible(kWarning));
358}
359
360TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) {
361  GMOCK_FLAG(verbose) = kErrorVerbosity;
362  EXPECT_FALSE(LogIsVisible(kInfo));
363  EXPECT_FALSE(LogIsVisible(kWarning));
364}
365
366TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) {
367  GMOCK_FLAG(verbose) = kWarningVerbosity;
368  EXPECT_FALSE(LogIsVisible(kInfo));
369  EXPECT_TRUE(LogIsVisible(kWarning));
370}
371
372#if GTEST_HAS_STREAM_REDIRECTION
373
374// Tests the Log() function.
375
376// Verifies that Log() behaves correctly for the given verbosity level
377// and log severity.
378void TestLogWithSeverity(const string& verbosity, LogSeverity severity,
379                         bool should_print) {
380  const string old_flag = GMOCK_FLAG(verbose);
381  GMOCK_FLAG(verbose) = verbosity;
382  CaptureStdout();
383  Log(severity, "Test log.\n", 0);
384  if (should_print) {
385    EXPECT_THAT(GetCapturedStdout().c_str(),
386                ContainsRegex(
387                    severity == kWarning ?
388                    "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" :
389                    "^\nTest log\\.\nStack trace:\n"));
390  } else {
391    EXPECT_STREQ("", GetCapturedStdout().c_str());
392  }
393  GMOCK_FLAG(verbose) = old_flag;
394}
395
396// Tests that when the stack_frames_to_skip parameter is negative,
397// Log() doesn't include the stack trace in the output.
398TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) {
399  const string saved_flag = GMOCK_FLAG(verbose);
400  GMOCK_FLAG(verbose) = kInfoVerbosity;
401  CaptureStdout();
402  Log(kInfo, "Test log.\n", -1);
403  EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str());
404  GMOCK_FLAG(verbose) = saved_flag;
405}
406
407// Tests that in opt mode, a positive stack_frames_to_skip argument is
408// treated as 0.
409TEST(LogTest, NoSkippingStackFrameInOptMode) {
410  CaptureStdout();
411  Log(kWarning, "Test log.\n", 100);
412  const string log = GetCapturedStdout();
413
414# if defined(NDEBUG) && GTEST_GOOGLE3_MODE_
415
416  // In opt mode, no stack frame should be skipped.
417  EXPECT_THAT(log, ContainsRegex("\nGMOCK WARNING:\n"
418                                 "Test log\\.\n"
419                                 "Stack trace:\n"
420                                 ".+"));
421# else
422
423  // In dbg mode, the stack frames should be skipped.
424  EXPECT_STREQ("\nGMOCK WARNING:\n"
425               "Test log.\n"
426               "Stack trace:\n", log.c_str());
427# endif
428}
429
430// Tests that all logs are printed when the value of the
431// --gmock_verbose flag is "info".
432TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) {
433  TestLogWithSeverity(kInfoVerbosity, kInfo, true);
434  TestLogWithSeverity(kInfoVerbosity, kWarning, true);
435}
436
437// Tests that only warnings are printed when the value of the
438// --gmock_verbose flag is "warning".
439TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) {
440  TestLogWithSeverity(kWarningVerbosity, kInfo, false);
441  TestLogWithSeverity(kWarningVerbosity, kWarning, true);
442}
443
444// Tests that no logs are printed when the value of the
445// --gmock_verbose flag is "error".
446TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) {
447  TestLogWithSeverity(kErrorVerbosity, kInfo, false);
448  TestLogWithSeverity(kErrorVerbosity, kWarning, false);
449}
450
451// Tests that only warnings are printed when the value of the
452// --gmock_verbose flag is invalid.
453TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) {
454  TestLogWithSeverity("invalid", kInfo, false);
455  TestLogWithSeverity("invalid", kWarning, true);
456}
457
458#endif  // GTEST_HAS_STREAM_REDIRECTION
459
460TEST(TypeTraitsTest, true_type) {
461  EXPECT_TRUE(true_type::value);
462}
463
464TEST(TypeTraitsTest, false_type) {
465  EXPECT_FALSE(false_type::value);
466}
467
468TEST(TypeTraitsTest, is_reference) {
469  EXPECT_FALSE(is_reference<int>::value);
470  EXPECT_FALSE(is_reference<char*>::value);
471  EXPECT_TRUE(is_reference<const int&>::value);
472}
473
474TEST(TypeTraitsTest, is_pointer) {
475  EXPECT_FALSE(is_pointer<int>::value);
476  EXPECT_FALSE(is_pointer<char&>::value);
477  EXPECT_TRUE(is_pointer<const int*>::value);
478}
479
480TEST(TypeTraitsTest, type_equals) {
481  EXPECT_FALSE((type_equals<int, const int>::value));
482  EXPECT_FALSE((type_equals<int, int&>::value));
483  EXPECT_FALSE((type_equals<int, double>::value));
484  EXPECT_TRUE((type_equals<char, char>::value));
485}
486
487TEST(TypeTraitsTest, remove_reference) {
488  EXPECT_TRUE((type_equals<char, remove_reference<char&>::type>::value));
489  EXPECT_TRUE((type_equals<const int,
490               remove_reference<const int&>::type>::value));
491  EXPECT_TRUE((type_equals<int, remove_reference<int>::type>::value));
492  EXPECT_TRUE((type_equals<double*, remove_reference<double*>::type>::value));
493}
494
495#if GTEST_HAS_STREAM_REDIRECTION
496
497// Verifies that Log() behaves correctly for the given verbosity level
498// and log severity.
499std::string GrabOutput(void(*logger)(), const char* verbosity) {
500  const string saved_flag = GMOCK_FLAG(verbose);
501  GMOCK_FLAG(verbose) = verbosity;
502  CaptureStdout();
503  logger();
504  GMOCK_FLAG(verbose) = saved_flag;
505  return GetCapturedStdout();
506}
507
508class DummyMock {
509 public:
510  MOCK_METHOD0(TestMethod, void());
511  MOCK_METHOD1(TestMethodArg, void(int dummy));
512};
513
514void ExpectCallLogger() {
515  DummyMock mock;
516  EXPECT_CALL(mock, TestMethod());
517  mock.TestMethod();
518};
519
520// Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info".
521TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) {
522  EXPECT_THAT(std::string(GrabOutput(ExpectCallLogger, kInfoVerbosity)),
523              HasSubstr("EXPECT_CALL(mock, TestMethod())"));
524}
525
526// Verifies that EXPECT_CALL doesn't log
527// if the --gmock_verbose flag is set to "warning".
528TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) {
529  EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity).c_str());
530}
531
532// Verifies that EXPECT_CALL doesn't log
533// if the --gmock_verbose flag is set to "error".
534TEST(ExpectCallTest,  DoesNotLogWhenVerbosityIsError) {
535  EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str());
536}
537
538void OnCallLogger() {
539  DummyMock mock;
540  ON_CALL(mock, TestMethod());
541};
542
543// Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info".
544TEST(OnCallTest, LogsWhenVerbosityIsInfo) {
545  EXPECT_THAT(std::string(GrabOutput(OnCallLogger, kInfoVerbosity)),
546              HasSubstr("ON_CALL(mock, TestMethod())"));
547}
548
549// Verifies that ON_CALL doesn't log
550// if the --gmock_verbose flag is set to "warning".
551TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) {
552  EXPECT_STREQ("", GrabOutput(OnCallLogger, kWarningVerbosity).c_str());
553}
554
555// Verifies that ON_CALL doesn't log if
556// the --gmock_verbose flag is set to "error".
557TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) {
558  EXPECT_STREQ("", GrabOutput(OnCallLogger, kErrorVerbosity).c_str());
559}
560
561void OnCallAnyArgumentLogger() {
562  DummyMock mock;
563  ON_CALL(mock, TestMethodArg(_));
564}
565
566// Verifies that ON_CALL prints provided _ argument.
567TEST(OnCallTest, LogsAnythingArgument) {
568  EXPECT_THAT(std::string(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity)),
569              HasSubstr("ON_CALL(mock, TestMethodArg(_)"));
570}
571
572#endif  // GTEST_HAS_STREAM_REDIRECTION
573
574// Tests StlContainerView.
575
576TEST(StlContainerViewTest, WorksForStlContainer) {
577  StaticAssertTypeEq<std::vector<int>,
578      StlContainerView<std::vector<int> >::type>();
579  StaticAssertTypeEq<const std::vector<double>&,
580      StlContainerView<std::vector<double> >::const_reference>();
581
582  typedef std::vector<char> Chars;
583  Chars v1;
584  const Chars& v2(StlContainerView<Chars>::ConstReference(v1));
585  EXPECT_EQ(&v1, &v2);
586
587  v1.push_back('a');
588  Chars v3 = StlContainerView<Chars>::Copy(v1);
589  EXPECT_THAT(v3, Eq(v3));
590}
591
592TEST(StlContainerViewTest, WorksForStaticNativeArray) {
593  StaticAssertTypeEq<NativeArray<int>,
594      StlContainerView<int[3]>::type>();
595  StaticAssertTypeEq<NativeArray<double>,
596      StlContainerView<const double[4]>::type>();
597  StaticAssertTypeEq<NativeArray<char[3]>,
598      StlContainerView<const char[2][3]>::type>();
599
600  StaticAssertTypeEq<const NativeArray<int>,
601      StlContainerView<int[2]>::const_reference>();
602
603  int a1[3] = { 0, 1, 2 };
604  NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1);
605  EXPECT_EQ(3U, a2.size());
606  EXPECT_EQ(a1, a2.begin());
607
608  const NativeArray<int> a3 = StlContainerView<int[3]>::Copy(a1);
609  ASSERT_EQ(3U, a3.size());
610  EXPECT_EQ(0, a3.begin()[0]);
611  EXPECT_EQ(1, a3.begin()[1]);
612  EXPECT_EQ(2, a3.begin()[2]);
613
614  // Makes sure a1 and a3 aren't aliases.
615  a1[0] = 3;
616  EXPECT_EQ(0, a3.begin()[0]);
617}
618
619TEST(StlContainerViewTest, WorksForDynamicNativeArray) {
620  StaticAssertTypeEq<NativeArray<int>,
621      StlContainerView<tuple<const int*, size_t> >::type>();
622  StaticAssertTypeEq<NativeArray<double>,
623      StlContainerView<tuple<linked_ptr<double>, int> >::type>();
624
625  StaticAssertTypeEq<const NativeArray<int>,
626      StlContainerView<tuple<const int*, int> >::const_reference>();
627
628  int a1[3] = { 0, 1, 2 };
629  const int* const p1 = a1;
630  NativeArray<int> a2 = StlContainerView<tuple<const int*, int> >::
631      ConstReference(make_tuple(p1, 3));
632  EXPECT_EQ(3U, a2.size());
633  EXPECT_EQ(a1, a2.begin());
634
635  const NativeArray<int> a3 = StlContainerView<tuple<int*, size_t> >::
636      Copy(make_tuple(static_cast<int*>(a1), 3));
637  ASSERT_EQ(3U, a3.size());
638  EXPECT_EQ(0, a3.begin()[0]);
639  EXPECT_EQ(1, a3.begin()[1]);
640  EXPECT_EQ(2, a3.begin()[2]);
641
642  // Makes sure a1 and a3 aren't aliases.
643  a1[0] = 3;
644  EXPECT_EQ(0, a3.begin()[0]);
645}
646
647}  // namespace
648}  // namespace internal
649}  // namespace testing
650