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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// Indicates that this translation unit is part of Google Test's
48// implementation.  It must come before gtest-internal-inl.h is
49// included, or there will be a compiler error.  This trick is to
50// prevent a user from accidentally including gtest-internal-inl.h in
51// his code.
52#define GTEST_IMPLEMENTATION_ 1
53#include "src/gtest-internal-inl.h"
54#undef GTEST_IMPLEMENTATION_
55
56#if GTEST_OS_CYGWIN
57# include <sys/types.h>  // For ssize_t. NOLINT
58#endif
59
60class ProtocolMessage;
61
62namespace proto2 {
63class Message;
64}  // namespace proto2
65
66namespace testing {
67namespace internal {
68
69namespace {
70
71TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) {
72  EXPECT_EQ("", ConvertIdentifierNameToWords(""));
73  EXPECT_EQ("", ConvertIdentifierNameToWords("_"));
74  EXPECT_EQ("", ConvertIdentifierNameToWords("__"));
75}
76
77TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsDigits) {
78  EXPECT_EQ("1", ConvertIdentifierNameToWords("_1"));
79  EXPECT_EQ("2", ConvertIdentifierNameToWords("2_"));
80  EXPECT_EQ("34", ConvertIdentifierNameToWords("_34_"));
81  EXPECT_EQ("34 56", ConvertIdentifierNameToWords("_34_56"));
82}
83
84TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsCamelCaseWords) {
85  EXPECT_EQ("a big word", ConvertIdentifierNameToWords("ABigWord"));
86  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("FooBar"));
87  EXPECT_EQ("foo", ConvertIdentifierNameToWords("Foo_"));
88  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_Foo_Bar_"));
89  EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_Foo__And_Bar"));
90}
91
92TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContains_SeparatedWords) {
93  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("foo_bar"));
94  EXPECT_EQ("foo", ConvertIdentifierNameToWords("_foo_"));
95  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_foo_bar_"));
96  EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_foo__and_bar"));
97}
98
99TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) {
100  EXPECT_EQ("foo bar 123", ConvertIdentifierNameToWords("Foo_bar123"));
101  EXPECT_EQ("chapter 11 section 1",
102            ConvertIdentifierNameToWords("_Chapter11Section_1_"));
103}
104
105TEST(PointeeOfTest, WorksForSmartPointers) {
106  CompileAssertTypesEqual<const char,
107      PointeeOf<internal::linked_ptr<const char> >::type>();
108#if GTEST_HAS_STD_UNIQUE_PTR_
109  CompileAssertTypesEqual<int, PointeeOf<std::unique_ptr<int> >::type>();
110#endif  // GTEST_HAS_STD_UNIQUE_PTR_
111#if GTEST_HAS_STD_SHARED_PTR_
112  CompileAssertTypesEqual<std::string,
113                          PointeeOf<std::shared_ptr<std::string> >::type>();
114#endif  // GTEST_HAS_STD_SHARED_PTR_
115}
116
117TEST(PointeeOfTest, WorksForRawPointers) {
118  CompileAssertTypesEqual<int, PointeeOf<int*>::type>();
119  CompileAssertTypesEqual<const char, PointeeOf<const char*>::type>();
120  CompileAssertTypesEqual<void, PointeeOf<void*>::type>();
121}
122
123TEST(GetRawPointerTest, WorksForSmartPointers) {
124#if GTEST_HAS_STD_UNIQUE_PTR_
125  const char* const raw_p1 = new const char('a');  // NOLINT
126  const std::unique_ptr<const char> p1(raw_p1);
127  EXPECT_EQ(raw_p1, GetRawPointer(p1));
128#endif  // GTEST_HAS_STD_UNIQUE_PTR_
129#if GTEST_HAS_STD_SHARED_PTR_
130  double* const raw_p2 = new double(2.5);  // NOLINT
131  const std::shared_ptr<double> p2(raw_p2);
132  EXPECT_EQ(raw_p2, GetRawPointer(p2));
133#endif  // GTEST_HAS_STD_SHARED_PTR_
134
135  const char* const raw_p4 = new const char('a');  // NOLINT
136  const internal::linked_ptr<const char> p4(raw_p4);
137  EXPECT_EQ(raw_p4, GetRawPointer(p4));
138}
139
140TEST(GetRawPointerTest, WorksForRawPointers) {
141  int* p = NULL;
142  // Don't use EXPECT_EQ as no NULL-testing magic on Symbian.
143  EXPECT_TRUE(NULL == GetRawPointer(p));
144  int n = 1;
145  EXPECT_EQ(&n, GetRawPointer(&n));
146}
147
148// Tests KindOf<T>.
149
150class Base {};
151class Derived : public Base {};
152
153TEST(KindOfTest, Bool) {
154  EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool));  // NOLINT
155}
156
157TEST(KindOfTest, Integer) {
158  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char));  // NOLINT
159  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char));  // NOLINT
160  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char));  // NOLINT
161  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short));  // NOLINT
162  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short));  // NOLINT
163  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int));  // NOLINT
164  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int));  // NOLINT
165  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long));  // NOLINT
166  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long));  // NOLINT
167  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t));  // NOLINT
168  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(Int64));  // NOLINT
169  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(UInt64));  // NOLINT
170  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t));  // NOLINT
171#if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN
172  // ssize_t is not defined on Windows and possibly some other OSes.
173  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t));  // NOLINT
174#endif
175}
176
177TEST(KindOfTest, FloatingPoint) {
178  EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float));  // NOLINT
179  EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double));  // NOLINT
180  EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double));  // NOLINT
181}
182
183TEST(KindOfTest, Other) {
184  EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*));  // NOLINT
185  EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**));  // NOLINT
186  EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base));  // NOLINT
187}
188
189// Tests LosslessArithmeticConvertible<T, U>.
190
191TEST(LosslessArithmeticConvertibleTest, BoolToBool) {
192  EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value));
193}
194
195TEST(LosslessArithmeticConvertibleTest, BoolToInteger) {
196  EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value));
197  EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value));
198  EXPECT_TRUE(
199      (LosslessArithmeticConvertible<bool, unsigned long>::value));  // NOLINT
200}
201
202TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) {
203  EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value));
204  EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value));
205}
206
207TEST(LosslessArithmeticConvertibleTest, IntegerToBool) {
208  EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value));
209  EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value));
210}
211
212TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) {
213  // Unsigned => larger signed is fine.
214  EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value));
215
216  // Unsigned => larger unsigned is fine.
217  EXPECT_TRUE(
218      (LosslessArithmeticConvertible<unsigned short, UInt64>::value)); // NOLINT
219
220  // Signed => unsigned is not fine.
221  EXPECT_FALSE((LosslessArithmeticConvertible<short, UInt64>::value)); // NOLINT
222  EXPECT_FALSE((LosslessArithmeticConvertible<
223      signed char, unsigned int>::value));  // NOLINT
224
225  // Same size and same signedness: fine too.
226  EXPECT_TRUE((LosslessArithmeticConvertible<
227               unsigned char, unsigned char>::value));
228  EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value));
229  EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value));
230  EXPECT_TRUE((LosslessArithmeticConvertible<
231               unsigned long, unsigned long>::value));  // NOLINT
232
233  // Same size, different signedness: not fine.
234  EXPECT_FALSE((LosslessArithmeticConvertible<
235                unsigned char, signed char>::value));
236  EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value));
237  EXPECT_FALSE((LosslessArithmeticConvertible<UInt64, Int64>::value));
238
239  // Larger size => smaller size is not fine.
240  EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value));  // NOLINT
241  EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value));
242  EXPECT_FALSE((LosslessArithmeticConvertible<Int64, unsigned int>::value));
243}
244
245TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) {
246  // Integers cannot be losslessly converted to floating-points, as
247  // the format of the latter is implementation-defined.
248  EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value));
249  EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value));
250  EXPECT_FALSE((LosslessArithmeticConvertible<
251                short, long double>::value));  // NOLINT
252}
253
254TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) {
255  EXPECT_FALSE((LosslessArithmeticConvertible<float, bool>::value));
256  EXPECT_FALSE((LosslessArithmeticConvertible<double, bool>::value));
257}
258
259TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) {
260  EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value));  // NOLINT
261  EXPECT_FALSE((LosslessArithmeticConvertible<double, Int64>::value));
262  EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value));
263}
264
265TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) {
266  // Smaller size => larger size is fine.
267  EXPECT_TRUE((LosslessArithmeticConvertible<float, double>::value));
268  EXPECT_TRUE((LosslessArithmeticConvertible<float, long double>::value));
269  EXPECT_TRUE((LosslessArithmeticConvertible<double, long double>::value));
270
271  // Same size: fine.
272  EXPECT_TRUE((LosslessArithmeticConvertible<float, float>::value));
273  EXPECT_TRUE((LosslessArithmeticConvertible<double, double>::value));
274
275  // Larger size => smaller size is not fine.
276  EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value));
277  GTEST_INTENTIONAL_CONST_COND_PUSH_()
278  if (sizeof(double) == sizeof(long double)) {  // NOLINT
279  GTEST_INTENTIONAL_CONST_COND_POP_()
280    // In some implementations (e.g. MSVC), double and long double
281    // have the same size.
282    EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value));
283  } else {
284    EXPECT_FALSE((LosslessArithmeticConvertible<long double, double>::value));
285  }
286}
287
288// Tests the TupleMatches() template function.
289
290TEST(TupleMatchesTest, WorksForSize0) {
291  tuple<> matchers;
292  tuple<> values;
293
294  EXPECT_TRUE(TupleMatches(matchers, values));
295}
296
297TEST(TupleMatchesTest, WorksForSize1) {
298  tuple<Matcher<int> > matchers(Eq(1));
299  tuple<int> values1(1),
300      values2(2);
301
302  EXPECT_TRUE(TupleMatches(matchers, values1));
303  EXPECT_FALSE(TupleMatches(matchers, values2));
304}
305
306TEST(TupleMatchesTest, WorksForSize2) {
307  tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a'));
308  tuple<int, char> values1(1, 'a'),
309      values2(1, 'b'),
310      values3(2, 'a'),
311      values4(2, 'b');
312
313  EXPECT_TRUE(TupleMatches(matchers, values1));
314  EXPECT_FALSE(TupleMatches(matchers, values2));
315  EXPECT_FALSE(TupleMatches(matchers, values3));
316  EXPECT_FALSE(TupleMatches(matchers, values4));
317}
318
319TEST(TupleMatchesTest, WorksForSize5) {
320  tuple<Matcher<int>, Matcher<char>, Matcher<bool>, Matcher<long>,  // NOLINT
321      Matcher<string> >
322      matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi"));
323  tuple<int, char, bool, long, string>  // NOLINT
324      values1(1, 'a', true, 2L, "hi"),
325      values2(1, 'a', true, 2L, "hello"),
326      values3(2, 'a', true, 2L, "hi");
327
328  EXPECT_TRUE(TupleMatches(matchers, values1));
329  EXPECT_FALSE(TupleMatches(matchers, values2));
330  EXPECT_FALSE(TupleMatches(matchers, values3));
331}
332
333// Tests that Assert(true, ...) succeeds.
334TEST(AssertTest, SucceedsOnTrue) {
335  Assert(true, __FILE__, __LINE__, "This should succeed.");
336  Assert(true, __FILE__, __LINE__);  // This should succeed too.
337}
338
339// Tests that Assert(false, ...) generates a fatal failure.
340TEST(AssertTest, FailsFatallyOnFalse) {
341  EXPECT_DEATH_IF_SUPPORTED({
342    Assert(false, __FILE__, __LINE__, "This should fail.");
343  }, "");
344
345  EXPECT_DEATH_IF_SUPPORTED({
346    Assert(false, __FILE__, __LINE__);
347  }, "");
348}
349
350// Tests that Expect(true, ...) succeeds.
351TEST(ExpectTest, SucceedsOnTrue) {
352  Expect(true, __FILE__, __LINE__, "This should succeed.");
353  Expect(true, __FILE__, __LINE__);  // This should succeed too.
354}
355
356// Tests that Expect(false, ...) generates a non-fatal failure.
357TEST(ExpectTest, FailsNonfatallyOnFalse) {
358  EXPECT_NONFATAL_FAILURE({  // NOLINT
359    Expect(false, __FILE__, __LINE__, "This should fail.");
360  }, "This should fail");
361
362  EXPECT_NONFATAL_FAILURE({  // NOLINT
363    Expect(false, __FILE__, __LINE__);
364  }, "Expectation failed");
365}
366
367// Tests LogIsVisible().
368
369class LogIsVisibleTest : public ::testing::Test {
370 protected:
371  virtual void SetUp() {
372    original_verbose_ = GMOCK_FLAG(verbose);
373  }
374
375  virtual void TearDown() { GMOCK_FLAG(verbose) = original_verbose_; }
376
377  string original_verbose_;
378};
379
380TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) {
381  GMOCK_FLAG(verbose) = kInfoVerbosity;
382  EXPECT_TRUE(LogIsVisible(kInfo));
383  EXPECT_TRUE(LogIsVisible(kWarning));
384}
385
386TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) {
387  GMOCK_FLAG(verbose) = kErrorVerbosity;
388  EXPECT_FALSE(LogIsVisible(kInfo));
389  EXPECT_FALSE(LogIsVisible(kWarning));
390}
391
392TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) {
393  GMOCK_FLAG(verbose) = kWarningVerbosity;
394  EXPECT_FALSE(LogIsVisible(kInfo));
395  EXPECT_TRUE(LogIsVisible(kWarning));
396}
397
398#if GTEST_HAS_STREAM_REDIRECTION
399
400// Tests the Log() function.
401
402// Verifies that Log() behaves correctly for the given verbosity level
403// and log severity.
404void TestLogWithSeverity(const string& verbosity, LogSeverity severity,
405                         bool should_print) {
406  const string old_flag = GMOCK_FLAG(verbose);
407  GMOCK_FLAG(verbose) = verbosity;
408  CaptureStdout();
409  Log(severity, "Test log.\n", 0);
410  if (should_print) {
411    EXPECT_THAT(GetCapturedStdout().c_str(),
412                ContainsRegex(
413                    severity == kWarning ?
414                    "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" :
415                    "^\nTest log\\.\nStack trace:\n"));
416  } else {
417    EXPECT_STREQ("", GetCapturedStdout().c_str());
418  }
419  GMOCK_FLAG(verbose) = old_flag;
420}
421
422// Tests that when the stack_frames_to_skip parameter is negative,
423// Log() doesn't include the stack trace in the output.
424TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) {
425  const string saved_flag = GMOCK_FLAG(verbose);
426  GMOCK_FLAG(verbose) = kInfoVerbosity;
427  CaptureStdout();
428  Log(kInfo, "Test log.\n", -1);
429  EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str());
430  GMOCK_FLAG(verbose) = saved_flag;
431}
432
433struct MockStackTraceGetter : testing::internal::OsStackTraceGetterInterface {
434  virtual string CurrentStackTrace(int max_depth, int skip_count) {
435    return (testing::Message() << max_depth << "::" << skip_count << "\n")
436        .GetString();
437  }
438  virtual void UponLeavingGTest() {}
439};
440
441// Tests that in opt mode, a positive stack_frames_to_skip argument is
442// treated as 0.
443TEST(LogTest, NoSkippingStackFrameInOptMode) {
444  MockStackTraceGetter* mock_os_stack_trace_getter = new MockStackTraceGetter;
445  GetUnitTestImpl()->set_os_stack_trace_getter(mock_os_stack_trace_getter);
446
447  CaptureStdout();
448  Log(kWarning, "Test log.\n", 100);
449  const string log = GetCapturedStdout();
450
451  string expected_trace =
452      (testing::Message() << GTEST_FLAG(stack_trace_depth) << "::").GetString();
453  string expected_message =
454      "\nGMOCK WARNING:\n"
455      "Test log.\n"
456      "Stack trace:\n" +
457      expected_trace;
458  EXPECT_THAT(log, HasSubstr(expected_message));
459  int skip_count = atoi(log.substr(expected_message.size()).c_str());
460
461# if defined(NDEBUG)
462  // In opt mode, no stack frame should be skipped.
463  const int expected_skip_count = 0;
464# else
465  // In dbg mode, the stack frames should be skipped.
466  const int expected_skip_count = 100;
467# endif
468
469  // Note that each inner implementation layer will +1 the number to remove
470  // itself from the trace. This means that the value is a little higher than
471  // expected, but close enough.
472  EXPECT_THAT(skip_count,
473              AllOf(Ge(expected_skip_count), Le(expected_skip_count + 10)));
474
475  // Restores the default OS stack trace getter.
476  GetUnitTestImpl()->set_os_stack_trace_getter(NULL);
477}
478
479// Tests that all logs are printed when the value of the
480// --gmock_verbose flag is "info".
481TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) {
482  TestLogWithSeverity(kInfoVerbosity, kInfo, true);
483  TestLogWithSeverity(kInfoVerbosity, kWarning, true);
484}
485
486// Tests that only warnings are printed when the value of the
487// --gmock_verbose flag is "warning".
488TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) {
489  TestLogWithSeverity(kWarningVerbosity, kInfo, false);
490  TestLogWithSeverity(kWarningVerbosity, kWarning, true);
491}
492
493// Tests that no logs are printed when the value of the
494// --gmock_verbose flag is "error".
495TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) {
496  TestLogWithSeverity(kErrorVerbosity, kInfo, false);
497  TestLogWithSeverity(kErrorVerbosity, kWarning, false);
498}
499
500// Tests that only warnings are printed when the value of the
501// --gmock_verbose flag is invalid.
502TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) {
503  TestLogWithSeverity("invalid", kInfo, false);
504  TestLogWithSeverity("invalid", kWarning, true);
505}
506
507#endif  // GTEST_HAS_STREAM_REDIRECTION
508
509TEST(TypeTraitsTest, true_type) {
510  EXPECT_TRUE(true_type::value);
511}
512
513TEST(TypeTraitsTest, false_type) {
514  EXPECT_FALSE(false_type::value);
515}
516
517TEST(TypeTraitsTest, is_reference) {
518  EXPECT_FALSE(is_reference<int>::value);
519  EXPECT_FALSE(is_reference<char*>::value);
520  EXPECT_TRUE(is_reference<const int&>::value);
521}
522
523TEST(TypeTraitsTest, is_pointer) {
524  EXPECT_FALSE(is_pointer<int>::value);
525  EXPECT_FALSE(is_pointer<char&>::value);
526  EXPECT_TRUE(is_pointer<const int*>::value);
527}
528
529TEST(TypeTraitsTest, type_equals) {
530  EXPECT_FALSE((type_equals<int, const int>::value));
531  EXPECT_FALSE((type_equals<int, int&>::value));
532  EXPECT_FALSE((type_equals<int, double>::value));
533  EXPECT_TRUE((type_equals<char, char>::value));
534}
535
536TEST(TypeTraitsTest, remove_reference) {
537  EXPECT_TRUE((type_equals<char, remove_reference<char&>::type>::value));
538  EXPECT_TRUE((type_equals<const int,
539               remove_reference<const int&>::type>::value));
540  EXPECT_TRUE((type_equals<int, remove_reference<int>::type>::value));
541  EXPECT_TRUE((type_equals<double*, remove_reference<double*>::type>::value));
542}
543
544#if GTEST_HAS_STREAM_REDIRECTION
545
546// Verifies that Log() behaves correctly for the given verbosity level
547// and log severity.
548std::string GrabOutput(void(*logger)(), const char* verbosity) {
549  const string saved_flag = GMOCK_FLAG(verbose);
550  GMOCK_FLAG(verbose) = verbosity;
551  CaptureStdout();
552  logger();
553  GMOCK_FLAG(verbose) = saved_flag;
554  return GetCapturedStdout();
555}
556
557class DummyMock {
558 public:
559  MOCK_METHOD0(TestMethod, void());
560  MOCK_METHOD1(TestMethodArg, void(int dummy));
561};
562
563void ExpectCallLogger() {
564  DummyMock mock;
565  EXPECT_CALL(mock, TestMethod());
566  mock.TestMethod();
567};
568
569// Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info".
570TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) {
571  EXPECT_THAT(std::string(GrabOutput(ExpectCallLogger, kInfoVerbosity)),
572              HasSubstr("EXPECT_CALL(mock, TestMethod())"));
573}
574
575// Verifies that EXPECT_CALL doesn't log
576// if the --gmock_verbose flag is set to "warning".
577TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) {
578  EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity).c_str());
579}
580
581// Verifies that EXPECT_CALL doesn't log
582// if the --gmock_verbose flag is set to "error".
583TEST(ExpectCallTest,  DoesNotLogWhenVerbosityIsError) {
584  EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str());
585}
586
587void OnCallLogger() {
588  DummyMock mock;
589  ON_CALL(mock, TestMethod());
590};
591
592// Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info".
593TEST(OnCallTest, LogsWhenVerbosityIsInfo) {
594  EXPECT_THAT(std::string(GrabOutput(OnCallLogger, kInfoVerbosity)),
595              HasSubstr("ON_CALL(mock, TestMethod())"));
596}
597
598// Verifies that ON_CALL doesn't log
599// if the --gmock_verbose flag is set to "warning".
600TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) {
601  EXPECT_STREQ("", GrabOutput(OnCallLogger, kWarningVerbosity).c_str());
602}
603
604// Verifies that ON_CALL doesn't log if
605// the --gmock_verbose flag is set to "error".
606TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) {
607  EXPECT_STREQ("", GrabOutput(OnCallLogger, kErrorVerbosity).c_str());
608}
609
610void OnCallAnyArgumentLogger() {
611  DummyMock mock;
612  ON_CALL(mock, TestMethodArg(_));
613}
614
615// Verifies that ON_CALL prints provided _ argument.
616TEST(OnCallTest, LogsAnythingArgument) {
617  EXPECT_THAT(std::string(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity)),
618              HasSubstr("ON_CALL(mock, TestMethodArg(_)"));
619}
620
621#endif  // GTEST_HAS_STREAM_REDIRECTION
622
623// Tests StlContainerView.
624
625TEST(StlContainerViewTest, WorksForStlContainer) {
626  StaticAssertTypeEq<std::vector<int>,
627      StlContainerView<std::vector<int> >::type>();
628  StaticAssertTypeEq<const std::vector<double>&,
629      StlContainerView<std::vector<double> >::const_reference>();
630
631  typedef std::vector<char> Chars;
632  Chars v1;
633  const Chars& v2(StlContainerView<Chars>::ConstReference(v1));
634  EXPECT_EQ(&v1, &v2);
635
636  v1.push_back('a');
637  Chars v3 = StlContainerView<Chars>::Copy(v1);
638  EXPECT_THAT(v3, Eq(v3));
639}
640
641TEST(StlContainerViewTest, WorksForStaticNativeArray) {
642  StaticAssertTypeEq<NativeArray<int>,
643      StlContainerView<int[3]>::type>();
644  StaticAssertTypeEq<NativeArray<double>,
645      StlContainerView<const double[4]>::type>();
646  StaticAssertTypeEq<NativeArray<char[3]>,
647      StlContainerView<const char[2][3]>::type>();
648
649  StaticAssertTypeEq<const NativeArray<int>,
650      StlContainerView<int[2]>::const_reference>();
651
652  int a1[3] = { 0, 1, 2 };
653  NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1);
654  EXPECT_EQ(3U, a2.size());
655  EXPECT_EQ(a1, a2.begin());
656
657  const NativeArray<int> a3 = StlContainerView<int[3]>::Copy(a1);
658  ASSERT_EQ(3U, a3.size());
659  EXPECT_EQ(0, a3.begin()[0]);
660  EXPECT_EQ(1, a3.begin()[1]);
661  EXPECT_EQ(2, a3.begin()[2]);
662
663  // Makes sure a1 and a3 aren't aliases.
664  a1[0] = 3;
665  EXPECT_EQ(0, a3.begin()[0]);
666}
667
668TEST(StlContainerViewTest, WorksForDynamicNativeArray) {
669  StaticAssertTypeEq<NativeArray<int>,
670      StlContainerView<tuple<const int*, size_t> >::type>();
671  StaticAssertTypeEq<NativeArray<double>,
672      StlContainerView<tuple<linked_ptr<double>, int> >::type>();
673
674  StaticAssertTypeEq<const NativeArray<int>,
675      StlContainerView<tuple<const int*, int> >::const_reference>();
676
677  int a1[3] = { 0, 1, 2 };
678  const int* const p1 = a1;
679  NativeArray<int> a2 = StlContainerView<tuple<const int*, int> >::
680      ConstReference(make_tuple(p1, 3));
681  EXPECT_EQ(3U, a2.size());
682  EXPECT_EQ(a1, a2.begin());
683
684  const NativeArray<int> a3 = StlContainerView<tuple<int*, size_t> >::
685      Copy(make_tuple(static_cast<int*>(a1), 3));
686  ASSERT_EQ(3U, a3.size());
687  EXPECT_EQ(0, a3.begin()[0]);
688  EXPECT_EQ(1, a3.begin()[1]);
689  EXPECT_EQ(2, a3.begin()[2]);
690
691  // Makes sure a1 and a3 aren't aliases.
692  a1[0] = 3;
693  EXPECT_EQ(0, a3.begin()[0]);
694}
695
696}  // namespace
697}  // namespace internal
698}  // namespace testing
699