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29
30// Google Mock - a framework for writing C++ mock classes.
31//
32// This file tests the internal utilities.
33
34#include "gmock/internal/gmock-internal-utils.h"
35
36#include <stdlib.h>
37
38#include <cstdint>
39#include <map>
40#include <memory>
41#include <sstream>
42#include <string>
43#include <vector>
44
45#include "gmock/gmock.h"
46#include "gmock/internal/gmock-port.h"
47#include "gtest/gtest-spi.h"
48#include "gtest/gtest.h"
49
50// Indicates that this translation unit is part of Google Test's
51// implementation.  It must come before gtest-internal-inl.h is
52// included, or there will be a compiler error.  This trick is to
53// prevent a user from accidentally including gtest-internal-inl.h in
54// their code.
55#define GTEST_IMPLEMENTATION_ 1
56#include "src/gtest-internal-inl.h"
57#undef GTEST_IMPLEMENTATION_
58
59#if GTEST_OS_CYGWIN
60#include <sys/types.h>  // For ssize_t. NOLINT
61#endif
62
63namespace proto2 {
64class Message;
65}  // namespace proto2
66
67namespace testing {
68namespace internal {
69
70namespace {
71
72TEST(JoinAsKeyValueTupleTest, JoinsEmptyTuple) {
73  EXPECT_EQ("", JoinAsKeyValueTuple({}, Strings()));
74}
75
76TEST(JoinAsKeyValueTupleTest, JoinsOneTuple) {
77  EXPECT_EQ("(a: 1)", JoinAsKeyValueTuple({"a"}, {"1"}));
78}
79
80TEST(JoinAsKeyValueTupleTest, JoinsTwoTuple) {
81  EXPECT_EQ("(a: 1, b: 2)", JoinAsKeyValueTuple({"a", "b"}, {"1", "2"}));
82}
83
84TEST(JoinAsKeyValueTupleTest, JoinsTenTuple) {
85  EXPECT_EQ(
86      "(a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8, i: 9, j: 10)",
87      JoinAsKeyValueTuple({"a", "b", "c", "d", "e", "f", "g", "h", "i", "j"},
88                          {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"}));
89}
90
91TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) {
92  EXPECT_EQ("", ConvertIdentifierNameToWords(""));
93  EXPECT_EQ("", ConvertIdentifierNameToWords("_"));
94  EXPECT_EQ("", ConvertIdentifierNameToWords("__"));
95}
96
97TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsDigits) {
98  EXPECT_EQ("1", ConvertIdentifierNameToWords("_1"));
99  EXPECT_EQ("2", ConvertIdentifierNameToWords("2_"));
100  EXPECT_EQ("34", ConvertIdentifierNameToWords("_34_"));
101  EXPECT_EQ("34 56", ConvertIdentifierNameToWords("_34_56"));
102}
103
104TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsCamelCaseWords) {
105  EXPECT_EQ("a big word", ConvertIdentifierNameToWords("ABigWord"));
106  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("FooBar"));
107  EXPECT_EQ("foo", ConvertIdentifierNameToWords("Foo_"));
108  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_Foo_Bar_"));
109  EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_Foo__And_Bar"));
110}
111
112TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContains_SeparatedWords) {
113  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("foo_bar"));
114  EXPECT_EQ("foo", ConvertIdentifierNameToWords("_foo_"));
115  EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_foo_bar_"));
116  EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_foo__and_bar"));
117}
118
119TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) {
120  EXPECT_EQ("foo bar 123", ConvertIdentifierNameToWords("Foo_bar123"));
121  EXPECT_EQ("chapter 11 section 1",
122            ConvertIdentifierNameToWords("_Chapter11Section_1_"));
123}
124
125TEST(GetRawPointerTest, WorksForSmartPointers) {
126  const char* const raw_p1 = new const char('a');  // NOLINT
127  const std::unique_ptr<const char> p1(raw_p1);
128  EXPECT_EQ(raw_p1, GetRawPointer(p1));
129  double* const raw_p2 = new double(2.5);  // NOLINT
130  const std::shared_ptr<double> p2(raw_p2);
131  EXPECT_EQ(raw_p2, GetRawPointer(p2));
132}
133
134TEST(GetRawPointerTest, WorksForRawPointers) {
135  int* p = nullptr;
136  EXPECT_TRUE(nullptr == GetRawPointer(p));
137  int n = 1;
138  EXPECT_EQ(&n, GetRawPointer(&n));
139}
140
141TEST(GetRawPointerTest, WorksForStdReferenceWrapper) {
142  int n = 1;
143  EXPECT_EQ(&n, GetRawPointer(std::ref(n)));
144  EXPECT_EQ(&n, GetRawPointer(std::cref(n)));
145}
146
147// Tests KindOf<T>.
148
149class Base {};
150class Derived : public Base {};
151
152TEST(KindOfTest, Bool) {
153  EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool));  // NOLINT
154}
155
156TEST(KindOfTest, Integer) {
157  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char));                // NOLINT
158  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char));         // NOLINT
159  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char));       // NOLINT
160  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short));               // NOLINT
161  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short));      // NOLINT
162  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int));                 // NOLINT
163  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int));        // NOLINT
164  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long));                // NOLINT
165  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long));       // NOLINT
166  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long long));           // NOLINT
167  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long long));  // NOLINT
168  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t));             // NOLINT
169  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t));              // NOLINT
170#if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN
171  // ssize_t is not defined on Windows and possibly some other OSes.
172  EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t));  // NOLINT
173#endif
174}
175
176TEST(KindOfTest, FloatingPoint) {
177  EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float));        // NOLINT
178  EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double));       // NOLINT
179  EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double));  // NOLINT
180}
181
182TEST(KindOfTest, Other) {
183  EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*));   // NOLINT
184  EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**));  // NOLINT
185  EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base));    // NOLINT
186}
187
188// Tests LosslessArithmeticConvertible<T, U>.
189
190TEST(LosslessArithmeticConvertibleTest, BoolToBool) {
191  EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value));
192}
193
194TEST(LosslessArithmeticConvertibleTest, BoolToInteger) {
195  EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value));
196  EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value));
197  EXPECT_TRUE(
198      (LosslessArithmeticConvertible<bool, unsigned long>::value));  // NOLINT
199}
200
201TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) {
202  EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value));
203  EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value));
204}
205
206TEST(LosslessArithmeticConvertibleTest, IntegerToBool) {
207  EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value));
208  EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value));
209}
210
211TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) {
212  // Unsigned => larger signed is fine.
213  EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value));
214
215  // Unsigned => larger unsigned is fine.
216  EXPECT_TRUE((LosslessArithmeticConvertible<unsigned short,
217                                             uint64_t>::value));  // NOLINT
218
219  // Signed => unsigned is not fine.
220  EXPECT_FALSE(
221      (LosslessArithmeticConvertible<short, uint64_t>::value));  // NOLINT
222  EXPECT_FALSE((LosslessArithmeticConvertible<signed char,
223                                              unsigned int>::value));  // NOLINT
224
225  // Same size and same signedness: fine too.
226  EXPECT_TRUE(
227      (LosslessArithmeticConvertible<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<unsigned long,
231                                             unsigned long>::value));  // NOLINT
232
233  // Same size, different signedness: not fine.
234  EXPECT_FALSE(
235      (LosslessArithmeticConvertible<unsigned char, signed char>::value));
236  EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value));
237  EXPECT_FALSE((LosslessArithmeticConvertible<uint64_t, int64_t>::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_t, 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(
251      (LosslessArithmeticConvertible<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_t>::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  std::tuple<> matchers;
292  std::tuple<> values;
293
294  EXPECT_TRUE(TupleMatches(matchers, values));
295}
296
297TEST(TupleMatchesTest, WorksForSize1) {
298  std::tuple<Matcher<int>> matchers(Eq(1));
299  std::tuple<int> values1(1), values2(2);
300
301  EXPECT_TRUE(TupleMatches(matchers, values1));
302  EXPECT_FALSE(TupleMatches(matchers, values2));
303}
304
305TEST(TupleMatchesTest, WorksForSize2) {
306  std::tuple<Matcher<int>, Matcher<char>> matchers(Eq(1), Eq('a'));
307  std::tuple<int, char> values1(1, 'a'), values2(1, 'b'), values3(2, 'a'),
308      values4(2, 'b');
309
310  EXPECT_TRUE(TupleMatches(matchers, values1));
311  EXPECT_FALSE(TupleMatches(matchers, values2));
312  EXPECT_FALSE(TupleMatches(matchers, values3));
313  EXPECT_FALSE(TupleMatches(matchers, values4));
314}
315
316TEST(TupleMatchesTest, WorksForSize5) {
317  std::tuple<Matcher<int>, Matcher<char>, Matcher<bool>,
318             Matcher<long>,  // NOLINT
319             Matcher<std::string>>
320      matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi"));
321  std::tuple<int, char, bool, long, std::string>  // NOLINT
322      values1(1, 'a', true, 2L, "hi"), values2(1, 'a', true, 2L, "hello"),
323      values3(2, 'a', true, 2L, "hi");
324
325  EXPECT_TRUE(TupleMatches(matchers, values1));
326  EXPECT_FALSE(TupleMatches(matchers, values2));
327  EXPECT_FALSE(TupleMatches(matchers, values3));
328}
329
330// Tests that Assert(true, ...) succeeds.
331TEST(AssertTest, SucceedsOnTrue) {
332  Assert(true, __FILE__, __LINE__, "This should succeed.");
333  Assert(true, __FILE__, __LINE__);  // This should succeed too.
334}
335
336// Tests that Assert(false, ...) generates a fatal failure.
337TEST(AssertTest, FailsFatallyOnFalse) {
338  EXPECT_DEATH_IF_SUPPORTED(
339      { Assert(false, __FILE__, __LINE__, "This should fail."); }, "");
340
341  EXPECT_DEATH_IF_SUPPORTED({ Assert(false, __FILE__, __LINE__); }, "");
342}
343
344// Tests that Expect(true, ...) succeeds.
345TEST(ExpectTest, SucceedsOnTrue) {
346  Expect(true, __FILE__, __LINE__, "This should succeed.");
347  Expect(true, __FILE__, __LINE__);  // This should succeed too.
348}
349
350// Tests that Expect(false, ...) generates a non-fatal failure.
351TEST(ExpectTest, FailsNonfatallyOnFalse) {
352  EXPECT_NONFATAL_FAILURE(
353      {  // NOLINT
354        Expect(false, __FILE__, __LINE__, "This should fail.");
355      },
356      "This should fail");
357
358  EXPECT_NONFATAL_FAILURE(
359      {  // NOLINT
360        Expect(false, __FILE__, __LINE__);
361      },
362      "Expectation failed");
363}
364
365// Tests LogIsVisible().
366
367class LogIsVisibleTest : public ::testing::Test {
368 protected:
369  void SetUp() override { original_verbose_ = GMOCK_FLAG_GET(verbose); }
370
371  void TearDown() override { GMOCK_FLAG_SET(verbose, original_verbose_); }
372
373  std::string original_verbose_;
374};
375
376TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) {
377  GMOCK_FLAG_SET(verbose, kInfoVerbosity);
378  EXPECT_TRUE(LogIsVisible(kInfo));
379  EXPECT_TRUE(LogIsVisible(kWarning));
380}
381
382TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) {
383  GMOCK_FLAG_SET(verbose, kErrorVerbosity);
384  EXPECT_FALSE(LogIsVisible(kInfo));
385  EXPECT_FALSE(LogIsVisible(kWarning));
386}
387
388TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) {
389  GMOCK_FLAG_SET(verbose, kWarningVerbosity);
390  EXPECT_FALSE(LogIsVisible(kInfo));
391  EXPECT_TRUE(LogIsVisible(kWarning));
392}
393
394#if GTEST_HAS_STREAM_REDIRECTION
395
396// Tests the Log() function.
397
398// Verifies that Log() behaves correctly for the given verbosity level
399// and log severity.
400void TestLogWithSeverity(const std::string& verbosity, LogSeverity severity,
401                         bool should_print) {
402  const std::string old_flag = GMOCK_FLAG_GET(verbose);
403  GMOCK_FLAG_SET(verbose, verbosity);
404  CaptureStdout();
405  Log(severity, "Test log.\n", 0);
406  if (should_print) {
407    EXPECT_THAT(
408        GetCapturedStdout().c_str(),
409        ContainsRegex(severity == kWarning
410                          ? "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n"
411                          : "^\nTest log\\.\nStack trace:\n"));
412  } else {
413    EXPECT_STREQ("", GetCapturedStdout().c_str());
414  }
415  GMOCK_FLAG_SET(verbose, old_flag);
416}
417
418// Tests that when the stack_frames_to_skip parameter is negative,
419// Log() doesn't include the stack trace in the output.
420TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) {
421  const std::string saved_flag = GMOCK_FLAG_GET(verbose);
422  GMOCK_FLAG_SET(verbose, kInfoVerbosity);
423  CaptureStdout();
424  Log(kInfo, "Test log.\n", -1);
425  EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str());
426  GMOCK_FLAG_SET(verbose, saved_flag);
427}
428
429struct MockStackTraceGetter : testing::internal::OsStackTraceGetterInterface {
430  std::string CurrentStackTrace(int max_depth, int skip_count) override {
431    return (testing::Message() << max_depth << "::" << skip_count << "\n")
432        .GetString();
433  }
434  void UponLeavingGTest() override {}
435};
436
437// Tests that in opt mode, a positive stack_frames_to_skip argument is
438// treated as 0.
439TEST(LogTest, NoSkippingStackFrameInOptMode) {
440  MockStackTraceGetter* mock_os_stack_trace_getter = new MockStackTraceGetter;
441  GetUnitTestImpl()->set_os_stack_trace_getter(mock_os_stack_trace_getter);
442
443  CaptureStdout();
444  Log(kWarning, "Test log.\n", 100);
445  const std::string log = GetCapturedStdout();
446
447  std::string expected_trace =
448      (testing::Message() << GTEST_FLAG_GET(stack_trace_depth) << "::")
449          .GetString();
450  std::string expected_message =
451      "\nGMOCK WARNING:\n"
452      "Test log.\n"
453      "Stack trace:\n" +
454      expected_trace;
455  EXPECT_THAT(log, HasSubstr(expected_message));
456  int skip_count = atoi(log.substr(expected_message.size()).c_str());
457
458#if defined(NDEBUG)
459  // In opt mode, no stack frame should be skipped.
460  const int expected_skip_count = 0;
461#else
462  // In dbg mode, the stack frames should be skipped.
463  const int expected_skip_count = 100;
464#endif
465
466  // Note that each inner implementation layer will +1 the number to remove
467  // itself from the trace. This means that the value is a little higher than
468  // expected, but close enough.
469  EXPECT_THAT(skip_count,
470              AllOf(Ge(expected_skip_count), Le(expected_skip_count + 10)));
471
472  // Restores the default OS stack trace getter.
473  GetUnitTestImpl()->set_os_stack_trace_getter(nullptr);
474}
475
476// Tests that all logs are printed when the value of the
477// --gmock_verbose flag is "info".
478TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) {
479  TestLogWithSeverity(kInfoVerbosity, kInfo, true);
480  TestLogWithSeverity(kInfoVerbosity, kWarning, true);
481}
482
483// Tests that only warnings are printed when the value of the
484// --gmock_verbose flag is "warning".
485TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) {
486  TestLogWithSeverity(kWarningVerbosity, kInfo, false);
487  TestLogWithSeverity(kWarningVerbosity, kWarning, true);
488}
489
490// Tests that no logs are printed when the value of the
491// --gmock_verbose flag is "error".
492TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) {
493  TestLogWithSeverity(kErrorVerbosity, kInfo, false);
494  TestLogWithSeverity(kErrorVerbosity, kWarning, false);
495}
496
497// Tests that only warnings are printed when the value of the
498// --gmock_verbose flag is invalid.
499TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) {
500  TestLogWithSeverity("invalid", kInfo, false);
501  TestLogWithSeverity("invalid", kWarning, true);
502}
503
504// Verifies that Log() behaves correctly for the given verbosity level
505// and log severity.
506std::string GrabOutput(void (*logger)(), const char* verbosity) {
507  const std::string saved_flag = GMOCK_FLAG_GET(verbose);
508  GMOCK_FLAG_SET(verbose, verbosity);
509  CaptureStdout();
510  logger();
511  GMOCK_FLAG_SET(verbose, saved_flag);
512  return GetCapturedStdout();
513}
514
515class DummyMock {
516 public:
517  MOCK_METHOD0(TestMethod, void());
518  MOCK_METHOD1(TestMethodArg, void(int dummy));
519};
520
521void ExpectCallLogger() {
522  DummyMock mock;
523  EXPECT_CALL(mock, TestMethod());
524  mock.TestMethod();
525}
526
527// Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info".
528TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) {
529  EXPECT_THAT(std::string(GrabOutput(ExpectCallLogger, kInfoVerbosity)),
530              HasSubstr("EXPECT_CALL(mock, TestMethod())"));
531}
532
533// Verifies that EXPECT_CALL doesn't log
534// if the --gmock_verbose flag is set to "warning".
535TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) {
536  EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity).c_str());
537}
538
539// Verifies that EXPECT_CALL doesn't log
540// if the --gmock_verbose flag is set to "error".
541TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsError) {
542  EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str());
543}
544
545void OnCallLogger() {
546  DummyMock mock;
547  ON_CALL(mock, TestMethod());
548}
549
550// Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info".
551TEST(OnCallTest, LogsWhenVerbosityIsInfo) {
552  EXPECT_THAT(std::string(GrabOutput(OnCallLogger, kInfoVerbosity)),
553              HasSubstr("ON_CALL(mock, TestMethod())"));
554}
555
556// Verifies that ON_CALL doesn't log
557// if the --gmock_verbose flag is set to "warning".
558TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) {
559  EXPECT_STREQ("", GrabOutput(OnCallLogger, kWarningVerbosity).c_str());
560}
561
562// Verifies that ON_CALL doesn't log if
563// the --gmock_verbose flag is set to "error".
564TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) {
565  EXPECT_STREQ("", GrabOutput(OnCallLogger, kErrorVerbosity).c_str());
566}
567
568void OnCallAnyArgumentLogger() {
569  DummyMock mock;
570  ON_CALL(mock, TestMethodArg(_));
571}
572
573// Verifies that ON_CALL prints provided _ argument.
574TEST(OnCallTest, LogsAnythingArgument) {
575  EXPECT_THAT(std::string(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity)),
576              HasSubstr("ON_CALL(mock, TestMethodArg(_)"));
577}
578
579#endif  // GTEST_HAS_STREAM_REDIRECTION
580
581// Tests StlContainerView.
582
583TEST(StlContainerViewTest, WorksForStlContainer) {
584  StaticAssertTypeEq<std::vector<int>,
585                     StlContainerView<std::vector<int>>::type>();
586  StaticAssertTypeEq<const std::vector<double>&,
587                     StlContainerView<std::vector<double>>::const_reference>();
588
589  typedef std::vector<char> Chars;
590  Chars v1;
591  const Chars& v2(StlContainerView<Chars>::ConstReference(v1));
592  EXPECT_EQ(&v1, &v2);
593
594  v1.push_back('a');
595  Chars v3 = StlContainerView<Chars>::Copy(v1);
596  EXPECT_THAT(v3, Eq(v3));
597}
598
599TEST(StlContainerViewTest, WorksForStaticNativeArray) {
600  StaticAssertTypeEq<NativeArray<int>, StlContainerView<int[3]>::type>();
601  StaticAssertTypeEq<NativeArray<double>,
602                     StlContainerView<const double[4]>::type>();
603  StaticAssertTypeEq<NativeArray<char[3]>,
604                     StlContainerView<const char[2][3]>::type>();
605
606  StaticAssertTypeEq<const NativeArray<int>,
607                     StlContainerView<int[2]>::const_reference>();
608
609  int a1[3] = {0, 1, 2};
610  NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1);
611  EXPECT_EQ(3U, a2.size());
612  EXPECT_EQ(a1, a2.begin());
613
614  const NativeArray<int> a3 = StlContainerView<int[3]>::Copy(a1);
615  ASSERT_EQ(3U, a3.size());
616  EXPECT_EQ(0, a3.begin()[0]);
617  EXPECT_EQ(1, a3.begin()[1]);
618  EXPECT_EQ(2, a3.begin()[2]);
619
620  // Makes sure a1 and a3 aren't aliases.
621  a1[0] = 3;
622  EXPECT_EQ(0, a3.begin()[0]);
623}
624
625TEST(StlContainerViewTest, WorksForDynamicNativeArray) {
626  StaticAssertTypeEq<NativeArray<int>,
627                     StlContainerView<std::tuple<const int*, size_t>>::type>();
628  StaticAssertTypeEq<
629      NativeArray<double>,
630      StlContainerView<std::tuple<std::shared_ptr<double>, int>>::type>();
631
632  StaticAssertTypeEq<
633      const NativeArray<int>,
634      StlContainerView<std::tuple<const int*, int>>::const_reference>();
635
636  int a1[3] = {0, 1, 2};
637  const int* const p1 = a1;
638  NativeArray<int> a2 =
639      StlContainerView<std::tuple<const int*, int>>::ConstReference(
640          std::make_tuple(p1, 3));
641  EXPECT_EQ(3U, a2.size());
642  EXPECT_EQ(a1, a2.begin());
643
644  const NativeArray<int> a3 = StlContainerView<std::tuple<int*, size_t>>::Copy(
645      std::make_tuple(static_cast<int*>(a1), 3));
646  ASSERT_EQ(3U, a3.size());
647  EXPECT_EQ(0, a3.begin()[0]);
648  EXPECT_EQ(1, a3.begin()[1]);
649  EXPECT_EQ(2, a3.begin()[2]);
650
651  // Makes sure a1 and a3 aren't aliases.
652  a1[0] = 3;
653  EXPECT_EQ(0, a3.begin()[0]);
654}
655
656// Tests the Function template struct.
657
658TEST(FunctionTest, Nullary) {
659  typedef Function<int()> F;  // NOLINT
660  EXPECT_EQ(0u, F::ArgumentCount);
661  EXPECT_TRUE((std::is_same<int, F::Result>::value));
662  EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentTuple>::value));
663  EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentMatcherTuple>::value));
664  EXPECT_TRUE((std::is_same<void(), F::MakeResultVoid>::value));
665  EXPECT_TRUE((std::is_same<IgnoredValue(), F::MakeResultIgnoredValue>::value));
666}
667
668TEST(FunctionTest, Unary) {
669  typedef Function<int(bool)> F;  // NOLINT
670  EXPECT_EQ(1u, F::ArgumentCount);
671  EXPECT_TRUE((std::is_same<int, F::Result>::value));
672  EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
673  EXPECT_TRUE((std::is_same<std::tuple<bool>, F::ArgumentTuple>::value));
674  EXPECT_TRUE((
675      std::is_same<std::tuple<Matcher<bool>>, F::ArgumentMatcherTuple>::value));
676  EXPECT_TRUE((std::is_same<void(bool), F::MakeResultVoid>::value));  // NOLINT
677  EXPECT_TRUE((std::is_same<IgnoredValue(bool),                       // NOLINT
678                            F::MakeResultIgnoredValue>::value));
679}
680
681TEST(FunctionTest, Binary) {
682  typedef Function<int(bool, const long&)> F;  // NOLINT
683  EXPECT_EQ(2u, F::ArgumentCount);
684  EXPECT_TRUE((std::is_same<int, F::Result>::value));
685  EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
686  EXPECT_TRUE((std::is_same<const long&, F::Arg<1>::type>::value));  // NOLINT
687  EXPECT_TRUE((std::is_same<std::tuple<bool, const long&>,           // NOLINT
688                            F::ArgumentTuple>::value));
689  EXPECT_TRUE(
690      (std::is_same<std::tuple<Matcher<bool>, Matcher<const long&>>,  // NOLINT
691                    F::ArgumentMatcherTuple>::value));
692  EXPECT_TRUE((std::is_same<void(bool, const long&),  // NOLINT
693                            F::MakeResultVoid>::value));
694  EXPECT_TRUE((std::is_same<IgnoredValue(bool, const long&),  // NOLINT
695                            F::MakeResultIgnoredValue>::value));
696}
697
698TEST(FunctionTest, LongArgumentList) {
699  typedef Function<char(bool, int, char*, int&, const long&)> F;  // NOLINT
700  EXPECT_EQ(5u, F::ArgumentCount);
701  EXPECT_TRUE((std::is_same<char, F::Result>::value));
702  EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
703  EXPECT_TRUE((std::is_same<int, F::Arg<1>::type>::value));
704  EXPECT_TRUE((std::is_same<char*, F::Arg<2>::type>::value));
705  EXPECT_TRUE((std::is_same<int&, F::Arg<3>::type>::value));
706  EXPECT_TRUE((std::is_same<const long&, F::Arg<4>::type>::value));  // NOLINT
707  EXPECT_TRUE(
708      (std::is_same<std::tuple<bool, int, char*, int&, const long&>,  // NOLINT
709                    F::ArgumentTuple>::value));
710  EXPECT_TRUE(
711      (std::is_same<
712          std::tuple<Matcher<bool>, Matcher<int>, Matcher<char*>, Matcher<int&>,
713                     Matcher<const long&>>,  // NOLINT
714          F::ArgumentMatcherTuple>::value));
715  EXPECT_TRUE(
716      (std::is_same<void(bool, int, char*, int&, const long&),  // NOLINT
717                    F::MakeResultVoid>::value));
718  EXPECT_TRUE((
719      std::is_same<IgnoredValue(bool, int, char*, int&, const long&),  // NOLINT
720                   F::MakeResultIgnoredValue>::value));
721}
722
723TEST(Base64Unescape, InvalidString) {
724  std::string unescaped;
725  EXPECT_FALSE(Base64Unescape("(invalid)", &unescaped));
726}
727
728TEST(Base64Unescape, ShortString) {
729  std::string unescaped;
730  EXPECT_TRUE(Base64Unescape("SGVsbG8gd29ybGQh", &unescaped));
731  EXPECT_EQ("Hello world!", unescaped);
732}
733
734TEST(Base64Unescape, ShortStringWithPadding) {
735  std::string unescaped;
736  EXPECT_TRUE(Base64Unescape("SGVsbG8gd29ybGQ=", &unescaped));
737  EXPECT_EQ("Hello world", unescaped);
738}
739
740TEST(Base64Unescape, ShortStringWithoutPadding) {
741  std::string unescaped;
742  EXPECT_TRUE(Base64Unescape("SGVsbG8gd29ybGQ", &unescaped));
743  EXPECT_EQ("Hello world", unescaped);
744}
745
746TEST(Base64Unescape, LongStringWithWhiteSpaces) {
747  std::string escaped =
748      R"(TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz
749  IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg
750  dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu
751  dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo
752  ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=)";
753  std::string expected =
754      "Man is distinguished, not only by his reason, but by this singular "
755      "passion from other animals, which is a lust of the mind, that by a "
756      "perseverance of delight in the continued and indefatigable generation "
757      "of knowledge, exceeds the short vehemence of any carnal pleasure.";
758  std::string unescaped;
759  EXPECT_TRUE(Base64Unescape(escaped, &unescaped));
760  EXPECT_EQ(expected, unescaped);
761}
762
763}  // namespace
764}  // namespace internal
765}  // namespace testing
766