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29
30
31 // Google Mock - a framework for writing C++ mock classes.
32 //
33 // This file tests the internal utilities.
34
35 #include "gmock/internal/gmock-internal-utils.h"
36
37 #include <stdlib.h>
38
39 #include <cstdint>
40 #include <map>
41 #include <memory>
42 #include <sstream>
43 #include <string>
44 #include <vector>
45
46 #include "gmock/gmock.h"
47 #include "gmock/internal/gmock-port.h"
48 #include "gtest/gtest-spi.h"
49 #include "gtest/gtest.h"
50
51 // Indicates that this translation unit is part of Google Test's
52 // implementation. It must come before gtest-internal-inl.h is
53 // included, or there will be a compiler error. This trick is to
54 // prevent a user from accidentally including gtest-internal-inl.h in
55 // their code.
56 #define GTEST_IMPLEMENTATION_ 1
57 #include "src/gtest-internal-inl.h"
58 #undef GTEST_IMPLEMENTATION_
59
60 #if GTEST_OS_CYGWIN
61 # include <sys/types.h> // For ssize_t. NOLINT
62 #endif
63
64 namespace proto2 {
65 class Message;
66 } // namespace proto2
67
68 namespace testing {
69 namespace internal {
70
71 namespace {
72
TEST(JoinAsTupleTest,JoinsEmptyTuple)73 TEST(JoinAsTupleTest, JoinsEmptyTuple) {
74 EXPECT_EQ("", JoinAsTuple(Strings()));
75 }
76
TEST(JoinAsTupleTest,JoinsOneTuple)77 TEST(JoinAsTupleTest, JoinsOneTuple) {
78 const char* fields[] = {"1"};
79 EXPECT_EQ("1", JoinAsTuple(Strings(fields, fields + 1)));
80 }
81
TEST(JoinAsTupleTest,JoinsTwoTuple)82 TEST(JoinAsTupleTest, JoinsTwoTuple) {
83 const char* fields[] = {"1", "a"};
84 EXPECT_EQ("(1, a)", JoinAsTuple(Strings(fields, fields + 2)));
85 }
86
TEST(JoinAsTupleTest,JoinsTenTuple)87 TEST(JoinAsTupleTest, JoinsTenTuple) {
88 const char* fields[] = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"};
89 EXPECT_EQ("(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)",
90 JoinAsTuple(Strings(fields, fields + 10)));
91 }
92
TEST(ConvertIdentifierNameToWordsTest,WorksWhenNameContainsNoWord)93 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) {
94 EXPECT_EQ("", ConvertIdentifierNameToWords(""));
95 EXPECT_EQ("", ConvertIdentifierNameToWords("_"));
96 EXPECT_EQ("", ConvertIdentifierNameToWords("__"));
97 }
98
TEST(ConvertIdentifierNameToWordsTest,WorksWhenNameContainsDigits)99 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsDigits) {
100 EXPECT_EQ("1", ConvertIdentifierNameToWords("_1"));
101 EXPECT_EQ("2", ConvertIdentifierNameToWords("2_"));
102 EXPECT_EQ("34", ConvertIdentifierNameToWords("_34_"));
103 EXPECT_EQ("34 56", ConvertIdentifierNameToWords("_34_56"));
104 }
105
TEST(ConvertIdentifierNameToWordsTest,WorksWhenNameContainsCamelCaseWords)106 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsCamelCaseWords) {
107 EXPECT_EQ("a big word", ConvertIdentifierNameToWords("ABigWord"));
108 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("FooBar"));
109 EXPECT_EQ("foo", ConvertIdentifierNameToWords("Foo_"));
110 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_Foo_Bar_"));
111 EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_Foo__And_Bar"));
112 }
113
TEST(ConvertIdentifierNameToWordsTest,WorksWhenNameContains_SeparatedWords)114 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContains_SeparatedWords) {
115 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("foo_bar"));
116 EXPECT_EQ("foo", ConvertIdentifierNameToWords("_foo_"));
117 EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_foo_bar_"));
118 EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_foo__and_bar"));
119 }
120
TEST(ConvertIdentifierNameToWordsTest,WorksWhenNameIsMixture)121 TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) {
122 EXPECT_EQ("foo bar 123", ConvertIdentifierNameToWords("Foo_bar123"));
123 EXPECT_EQ("chapter 11 section 1",
124 ConvertIdentifierNameToWords("_Chapter11Section_1_"));
125 }
126
TEST(PointeeOfTest,WorksForSmartPointers)127 TEST(PointeeOfTest, WorksForSmartPointers) {
128 EXPECT_TRUE(
129 (std::is_same<int, PointeeOf<std::unique_ptr<int>>::type>::value));
130 EXPECT_TRUE(
131 (std::is_same<std::string,
132 PointeeOf<std::shared_ptr<std::string>>::type>::value));
133 }
134
TEST(PointeeOfTest,WorksForRawPointers)135 TEST(PointeeOfTest, WorksForRawPointers) {
136 EXPECT_TRUE((std::is_same<int, PointeeOf<int*>::type>::value));
137 EXPECT_TRUE((std::is_same<const char, PointeeOf<const char*>::type>::value));
138 EXPECT_TRUE((std::is_void<PointeeOf<void*>::type>::value));
139 }
140
TEST(GetRawPointerTest,WorksForSmartPointers)141 TEST(GetRawPointerTest, WorksForSmartPointers) {
142 const char* const raw_p1 = new const char('a'); // NOLINT
143 const std::unique_ptr<const char> p1(raw_p1);
144 EXPECT_EQ(raw_p1, GetRawPointer(p1));
145 double* const raw_p2 = new double(2.5); // NOLINT
146 const std::shared_ptr<double> p2(raw_p2);
147 EXPECT_EQ(raw_p2, GetRawPointer(p2));
148 }
149
TEST(GetRawPointerTest,WorksForRawPointers)150 TEST(GetRawPointerTest, WorksForRawPointers) {
151 int* p = nullptr;
152 EXPECT_TRUE(nullptr == GetRawPointer(p));
153 int n = 1;
154 EXPECT_EQ(&n, GetRawPointer(&n));
155 }
156
157 // Tests KindOf<T>.
158
159 class Base {};
160 class Derived : public Base {};
161
TEST(KindOfTest,Bool)162 TEST(KindOfTest, Bool) {
163 EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool)); // NOLINT
164 }
165
TEST(KindOfTest,Integer)166 TEST(KindOfTest, Integer) {
167 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char)); // NOLINT
168 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char)); // NOLINT
169 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char)); // NOLINT
170 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short)); // NOLINT
171 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short)); // NOLINT
172 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int)); // NOLINT
173 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int)); // NOLINT
174 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long)); // NOLINT
175 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long)); // NOLINT
176 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long long)); // NOLINT
177 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long long)); // NOLINT
178 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t)); // NOLINT
179 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t)); // NOLINT
180 #if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN
181 // ssize_t is not defined on Windows and possibly some other OSes.
182 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t)); // NOLINT
183 #endif
184 }
185
TEST(KindOfTest,FloatingPoint)186 TEST(KindOfTest, FloatingPoint) {
187 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float)); // NOLINT
188 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double)); // NOLINT
189 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double)); // NOLINT
190 }
191
TEST(KindOfTest,Other)192 TEST(KindOfTest, Other) {
193 EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*)); // NOLINT
194 EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**)); // NOLINT
195 EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base)); // NOLINT
196 }
197
198 // Tests LosslessArithmeticConvertible<T, U>.
199
TEST(LosslessArithmeticConvertibleTest,BoolToBool)200 TEST(LosslessArithmeticConvertibleTest, BoolToBool) {
201 EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value));
202 }
203
TEST(LosslessArithmeticConvertibleTest,BoolToInteger)204 TEST(LosslessArithmeticConvertibleTest, BoolToInteger) {
205 EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value));
206 EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value));
207 EXPECT_TRUE(
208 (LosslessArithmeticConvertible<bool, unsigned long>::value)); // NOLINT
209 }
210
TEST(LosslessArithmeticConvertibleTest,BoolToFloatingPoint)211 TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) {
212 EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value));
213 EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value));
214 }
215
TEST(LosslessArithmeticConvertibleTest,IntegerToBool)216 TEST(LosslessArithmeticConvertibleTest, IntegerToBool) {
217 EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value));
218 EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value));
219 }
220
TEST(LosslessArithmeticConvertibleTest,IntegerToInteger)221 TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) {
222 // Unsigned => larger signed is fine.
223 EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value));
224
225 // Unsigned => larger unsigned is fine.
226 EXPECT_TRUE((LosslessArithmeticConvertible<
227 unsigned short, uint64_t>::value)); // NOLINT
228
229 // Signed => unsigned is not fine.
230 EXPECT_FALSE((LosslessArithmeticConvertible<
231 short, uint64_t>::value)); // NOLINT
232 EXPECT_FALSE((LosslessArithmeticConvertible<
233 signed char, unsigned int>::value)); // NOLINT
234
235 // Same size and same signedness: fine too.
236 EXPECT_TRUE((LosslessArithmeticConvertible<
237 unsigned char, unsigned char>::value));
238 EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value));
239 EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value));
240 EXPECT_TRUE((LosslessArithmeticConvertible<
241 unsigned long, unsigned long>::value)); // NOLINT
242
243 // Same size, different signedness: not fine.
244 EXPECT_FALSE((LosslessArithmeticConvertible<
245 unsigned char, signed char>::value));
246 EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value));
247 EXPECT_FALSE((LosslessArithmeticConvertible<uint64_t, int64_t>::value));
248
249 // Larger size => smaller size is not fine.
250 EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value)); // NOLINT
251 EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value));
252 EXPECT_FALSE((LosslessArithmeticConvertible<int64_t, unsigned int>::value));
253 }
254
TEST(LosslessArithmeticConvertibleTest,IntegerToFloatingPoint)255 TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) {
256 // Integers cannot be losslessly converted to floating-points, as
257 // the format of the latter is implementation-defined.
258 EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value));
259 EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value));
260 EXPECT_FALSE((LosslessArithmeticConvertible<
261 short, long double>::value)); // NOLINT
262 }
263
TEST(LosslessArithmeticConvertibleTest,FloatingPointToBool)264 TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) {
265 EXPECT_FALSE((LosslessArithmeticConvertible<float, bool>::value));
266 EXPECT_FALSE((LosslessArithmeticConvertible<double, bool>::value));
267 }
268
TEST(LosslessArithmeticConvertibleTest,FloatingPointToInteger)269 TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) {
270 EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value)); // NOLINT
271 EXPECT_FALSE((LosslessArithmeticConvertible<double, int64_t>::value));
272 EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value));
273 }
274
TEST(LosslessArithmeticConvertibleTest,FloatingPointToFloatingPoint)275 TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) {
276 // Smaller size => larger size is fine.
277 EXPECT_TRUE((LosslessArithmeticConvertible<float, double>::value));
278 EXPECT_TRUE((LosslessArithmeticConvertible<float, long double>::value));
279 EXPECT_TRUE((LosslessArithmeticConvertible<double, long double>::value));
280
281 // Same size: fine.
282 EXPECT_TRUE((LosslessArithmeticConvertible<float, float>::value));
283 EXPECT_TRUE((LosslessArithmeticConvertible<double, double>::value));
284
285 // Larger size => smaller size is not fine.
286 EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value));
287 GTEST_INTENTIONAL_CONST_COND_PUSH_()
288 if (sizeof(double) == sizeof(long double)) { // NOLINT
289 GTEST_INTENTIONAL_CONST_COND_POP_()
290 // In some implementations (e.g. MSVC), double and long double
291 // have the same size.
292 EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value));
293 } else {
294 EXPECT_FALSE((LosslessArithmeticConvertible<long double, double>::value));
295 }
296 }
297
298 // Tests the TupleMatches() template function.
299
TEST(TupleMatchesTest,WorksForSize0)300 TEST(TupleMatchesTest, WorksForSize0) {
301 std::tuple<> matchers;
302 std::tuple<> values;
303
304 EXPECT_TRUE(TupleMatches(matchers, values));
305 }
306
TEST(TupleMatchesTest,WorksForSize1)307 TEST(TupleMatchesTest, WorksForSize1) {
308 std::tuple<Matcher<int> > matchers(Eq(1));
309 std::tuple<int> values1(1), values2(2);
310
311 EXPECT_TRUE(TupleMatches(matchers, values1));
312 EXPECT_FALSE(TupleMatches(matchers, values2));
313 }
314
TEST(TupleMatchesTest,WorksForSize2)315 TEST(TupleMatchesTest, WorksForSize2) {
316 std::tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a'));
317 std::tuple<int, char> values1(1, 'a'), values2(1, 'b'), values3(2, 'a'),
318 values4(2, 'b');
319
320 EXPECT_TRUE(TupleMatches(matchers, values1));
321 EXPECT_FALSE(TupleMatches(matchers, values2));
322 EXPECT_FALSE(TupleMatches(matchers, values3));
323 EXPECT_FALSE(TupleMatches(matchers, values4));
324 }
325
TEST(TupleMatchesTest,WorksForSize5)326 TEST(TupleMatchesTest, WorksForSize5) {
327 std::tuple<Matcher<int>, Matcher<char>, Matcher<bool>,
328 Matcher<long>, // NOLINT
329 Matcher<std::string> >
330 matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi"));
331 std::tuple<int, char, bool, long, std::string> // NOLINT
332 values1(1, 'a', true, 2L, "hi"), values2(1, 'a', true, 2L, "hello"),
333 values3(2, 'a', true, 2L, "hi");
334
335 EXPECT_TRUE(TupleMatches(matchers, values1));
336 EXPECT_FALSE(TupleMatches(matchers, values2));
337 EXPECT_FALSE(TupleMatches(matchers, values3));
338 }
339
340 // Tests that Assert(true, ...) succeeds.
TEST(AssertTest,SucceedsOnTrue)341 TEST(AssertTest, SucceedsOnTrue) {
342 Assert(true, __FILE__, __LINE__, "This should succeed.");
343 Assert(true, __FILE__, __LINE__); // This should succeed too.
344 }
345
346 // Tests that Assert(false, ...) generates a fatal failure.
TEST(AssertTest,FailsFatallyOnFalse)347 TEST(AssertTest, FailsFatallyOnFalse) {
348 EXPECT_DEATH_IF_SUPPORTED({
349 Assert(false, __FILE__, __LINE__, "This should fail.");
350 }, "");
351
352 EXPECT_DEATH_IF_SUPPORTED({
353 Assert(false, __FILE__, __LINE__);
354 }, "");
355 }
356
357 // Tests that Expect(true, ...) succeeds.
TEST(ExpectTest,SucceedsOnTrue)358 TEST(ExpectTest, SucceedsOnTrue) {
359 Expect(true, __FILE__, __LINE__, "This should succeed.");
360 Expect(true, __FILE__, __LINE__); // This should succeed too.
361 }
362
363 // Tests that Expect(false, ...) generates a non-fatal failure.
TEST(ExpectTest,FailsNonfatallyOnFalse)364 TEST(ExpectTest, FailsNonfatallyOnFalse) {
365 EXPECT_NONFATAL_FAILURE({ // NOLINT
366 Expect(false, __FILE__, __LINE__, "This should fail.");
367 }, "This should fail");
368
369 EXPECT_NONFATAL_FAILURE({ // NOLINT
370 Expect(false, __FILE__, __LINE__);
371 }, "Expectation failed");
372 }
373
374 // Tests LogIsVisible().
375
376 class LogIsVisibleTest : public ::testing::Test {
377 protected:
SetUp()378 void SetUp() override { original_verbose_ = GMOCK_FLAG(verbose); }
379
TearDown()380 void TearDown() override { GMOCK_FLAG(verbose) = original_verbose_; }
381
382 std::string original_verbose_;
383 };
384
TEST_F(LogIsVisibleTest,AlwaysReturnsTrueIfVerbosityIsInfo)385 TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) {
386 GMOCK_FLAG(verbose) = kInfoVerbosity;
387 EXPECT_TRUE(LogIsVisible(kInfo));
388 EXPECT_TRUE(LogIsVisible(kWarning));
389 }
390
TEST_F(LogIsVisibleTest,AlwaysReturnsFalseIfVerbosityIsError)391 TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) {
392 GMOCK_FLAG(verbose) = kErrorVerbosity;
393 EXPECT_FALSE(LogIsVisible(kInfo));
394 EXPECT_FALSE(LogIsVisible(kWarning));
395 }
396
TEST_F(LogIsVisibleTest,WorksWhenVerbosityIsWarning)397 TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) {
398 GMOCK_FLAG(verbose) = kWarningVerbosity;
399 EXPECT_FALSE(LogIsVisible(kInfo));
400 EXPECT_TRUE(LogIsVisible(kWarning));
401 }
402
403 #if GTEST_HAS_STREAM_REDIRECTION
404
405 // Tests the Log() function.
406
407 // Verifies that Log() behaves correctly for the given verbosity level
408 // and log severity.
TestLogWithSeverity(const std::string & verbosity,LogSeverity severity,bool should_print)409 void TestLogWithSeverity(const std::string& verbosity, LogSeverity severity,
410 bool should_print) {
411 const std::string old_flag = GMOCK_FLAG(verbose);
412 GMOCK_FLAG(verbose) = verbosity;
413 CaptureStdout();
414 Log(severity, "Test log.\n", 0);
415 if (should_print) {
416 EXPECT_THAT(GetCapturedStdout().c_str(),
417 ContainsRegex(
418 severity == kWarning ?
419 "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" :
420 "^\nTest log\\.\nStack trace:\n"));
421 } else {
422 EXPECT_STREQ("", GetCapturedStdout().c_str());
423 }
424 GMOCK_FLAG(verbose) = old_flag;
425 }
426
427 // Tests that when the stack_frames_to_skip parameter is negative,
428 // Log() doesn't include the stack trace in the output.
TEST(LogTest,NoStackTraceWhenStackFramesToSkipIsNegative)429 TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) {
430 const std::string saved_flag = GMOCK_FLAG(verbose);
431 GMOCK_FLAG(verbose) = kInfoVerbosity;
432 CaptureStdout();
433 Log(kInfo, "Test log.\n", -1);
434 EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str());
435 GMOCK_FLAG(verbose) = saved_flag;
436 }
437
438 struct MockStackTraceGetter : testing::internal::OsStackTraceGetterInterface {
CurrentStackTracetesting::internal::__anone3f517d90111::MockStackTraceGetter439 std::string CurrentStackTrace(int max_depth, int skip_count) override {
440 return (testing::Message() << max_depth << "::" << skip_count << "\n")
441 .GetString();
442 }
UponLeavingGTesttesting::internal::__anone3f517d90111::MockStackTraceGetter443 void UponLeavingGTest() override {}
444 };
445
446 // Tests that in opt mode, a positive stack_frames_to_skip argument is
447 // treated as 0.
TEST(LogTest,NoSkippingStackFrameInOptMode)448 TEST(LogTest, NoSkippingStackFrameInOptMode) {
449 MockStackTraceGetter* mock_os_stack_trace_getter = new MockStackTraceGetter;
450 GetUnitTestImpl()->set_os_stack_trace_getter(mock_os_stack_trace_getter);
451
452 CaptureStdout();
453 Log(kWarning, "Test log.\n", 100);
454 const std::string log = GetCapturedStdout();
455
456 std::string expected_trace =
457 (testing::Message() << GTEST_FLAG(stack_trace_depth) << "::").GetString();
458 std::string expected_message =
459 "\nGMOCK WARNING:\n"
460 "Test log.\n"
461 "Stack trace:\n" +
462 expected_trace;
463 EXPECT_THAT(log, HasSubstr(expected_message));
464 int skip_count = atoi(log.substr(expected_message.size()).c_str());
465
466 # if defined(NDEBUG)
467 // In opt mode, no stack frame should be skipped.
468 const int expected_skip_count = 0;
469 # else
470 // In dbg mode, the stack frames should be skipped.
471 const int expected_skip_count = 100;
472 # endif
473
474 // Note that each inner implementation layer will +1 the number to remove
475 // itself from the trace. This means that the value is a little higher than
476 // expected, but close enough.
477 EXPECT_THAT(skip_count,
478 AllOf(Ge(expected_skip_count), Le(expected_skip_count + 10)));
479
480 // Restores the default OS stack trace getter.
481 GetUnitTestImpl()->set_os_stack_trace_getter(nullptr);
482 }
483
484 // Tests that all logs are printed when the value of the
485 // --gmock_verbose flag is "info".
TEST(LogTest,AllLogsArePrintedWhenVerbosityIsInfo)486 TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) {
487 TestLogWithSeverity(kInfoVerbosity, kInfo, true);
488 TestLogWithSeverity(kInfoVerbosity, kWarning, true);
489 }
490
491 // Tests that only warnings are printed when the value of the
492 // --gmock_verbose flag is "warning".
TEST(LogTest,OnlyWarningsArePrintedWhenVerbosityIsWarning)493 TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) {
494 TestLogWithSeverity(kWarningVerbosity, kInfo, false);
495 TestLogWithSeverity(kWarningVerbosity, kWarning, true);
496 }
497
498 // Tests that no logs are printed when the value of the
499 // --gmock_verbose flag is "error".
TEST(LogTest,NoLogsArePrintedWhenVerbosityIsError)500 TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) {
501 TestLogWithSeverity(kErrorVerbosity, kInfo, false);
502 TestLogWithSeverity(kErrorVerbosity, kWarning, false);
503 }
504
505 // Tests that only warnings are printed when the value of the
506 // --gmock_verbose flag is invalid.
TEST(LogTest,OnlyWarningsArePrintedWhenVerbosityIsInvalid)507 TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) {
508 TestLogWithSeverity("invalid", kInfo, false);
509 TestLogWithSeverity("invalid", kWarning, true);
510 }
511
512 // Verifies that Log() behaves correctly for the given verbosity level
513 // and log severity.
GrabOutput(void (* logger)(),const char * verbosity)514 std::string GrabOutput(void(*logger)(), const char* verbosity) {
515 const std::string saved_flag = GMOCK_FLAG(verbose);
516 GMOCK_FLAG(verbose) = verbosity;
517 CaptureStdout();
518 logger();
519 GMOCK_FLAG(verbose) = saved_flag;
520 return GetCapturedStdout();
521 }
522
523 class DummyMock {
524 public:
525 MOCK_METHOD0(TestMethod, void());
526 MOCK_METHOD1(TestMethodArg, void(int dummy));
527 };
528
ExpectCallLogger()529 void ExpectCallLogger() {
530 DummyMock mock;
531 EXPECT_CALL(mock, TestMethod());
532 mock.TestMethod();
533 }
534
535 // Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info".
TEST(ExpectCallTest,LogsWhenVerbosityIsInfo)536 TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) {
537 EXPECT_THAT(std::string(GrabOutput(ExpectCallLogger, kInfoVerbosity)),
538 HasSubstr("EXPECT_CALL(mock, TestMethod())"));
539 }
540
541 // Verifies that EXPECT_CALL doesn't log
542 // if the --gmock_verbose flag is set to "warning".
TEST(ExpectCallTest,DoesNotLogWhenVerbosityIsWarning)543 TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) {
544 EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity).c_str());
545 }
546
547 // Verifies that EXPECT_CALL doesn't log
548 // if the --gmock_verbose flag is set to "error".
TEST(ExpectCallTest,DoesNotLogWhenVerbosityIsError)549 TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsError) {
550 EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str());
551 }
552
OnCallLogger()553 void OnCallLogger() {
554 DummyMock mock;
555 ON_CALL(mock, TestMethod());
556 }
557
558 // Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info".
TEST(OnCallTest,LogsWhenVerbosityIsInfo)559 TEST(OnCallTest, LogsWhenVerbosityIsInfo) {
560 EXPECT_THAT(std::string(GrabOutput(OnCallLogger, kInfoVerbosity)),
561 HasSubstr("ON_CALL(mock, TestMethod())"));
562 }
563
564 // Verifies that ON_CALL doesn't log
565 // if the --gmock_verbose flag is set to "warning".
TEST(OnCallTest,DoesNotLogWhenVerbosityIsWarning)566 TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) {
567 EXPECT_STREQ("", GrabOutput(OnCallLogger, kWarningVerbosity).c_str());
568 }
569
570 // Verifies that ON_CALL doesn't log if
571 // the --gmock_verbose flag is set to "error".
TEST(OnCallTest,DoesNotLogWhenVerbosityIsError)572 TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) {
573 EXPECT_STREQ("", GrabOutput(OnCallLogger, kErrorVerbosity).c_str());
574 }
575
OnCallAnyArgumentLogger()576 void OnCallAnyArgumentLogger() {
577 DummyMock mock;
578 ON_CALL(mock, TestMethodArg(_));
579 }
580
581 // Verifies that ON_CALL prints provided _ argument.
TEST(OnCallTest,LogsAnythingArgument)582 TEST(OnCallTest, LogsAnythingArgument) {
583 EXPECT_THAT(std::string(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity)),
584 HasSubstr("ON_CALL(mock, TestMethodArg(_)"));
585 }
586
587 #endif // GTEST_HAS_STREAM_REDIRECTION
588
589 // Tests StlContainerView.
590
TEST(StlContainerViewTest,WorksForStlContainer)591 TEST(StlContainerViewTest, WorksForStlContainer) {
592 StaticAssertTypeEq<std::vector<int>,
593 StlContainerView<std::vector<int> >::type>();
594 StaticAssertTypeEq<const std::vector<double>&,
595 StlContainerView<std::vector<double> >::const_reference>();
596
597 typedef std::vector<char> Chars;
598 Chars v1;
599 const Chars& v2(StlContainerView<Chars>::ConstReference(v1));
600 EXPECT_EQ(&v1, &v2);
601
602 v1.push_back('a');
603 Chars v3 = StlContainerView<Chars>::Copy(v1);
604 EXPECT_THAT(v3, Eq(v3));
605 }
606
TEST(StlContainerViewTest,WorksForStaticNativeArray)607 TEST(StlContainerViewTest, WorksForStaticNativeArray) {
608 StaticAssertTypeEq<NativeArray<int>,
609 StlContainerView<int[3]>::type>();
610 StaticAssertTypeEq<NativeArray<double>,
611 StlContainerView<const double[4]>::type>();
612 StaticAssertTypeEq<NativeArray<char[3]>,
613 StlContainerView<const char[2][3]>::type>();
614
615 StaticAssertTypeEq<const NativeArray<int>,
616 StlContainerView<int[2]>::const_reference>();
617
618 int a1[3] = { 0, 1, 2 };
619 NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1);
620 EXPECT_EQ(3U, a2.size());
621 EXPECT_EQ(a1, a2.begin());
622
623 const NativeArray<int> a3 = StlContainerView<int[3]>::Copy(a1);
624 ASSERT_EQ(3U, a3.size());
625 EXPECT_EQ(0, a3.begin()[0]);
626 EXPECT_EQ(1, a3.begin()[1]);
627 EXPECT_EQ(2, a3.begin()[2]);
628
629 // Makes sure a1 and a3 aren't aliases.
630 a1[0] = 3;
631 EXPECT_EQ(0, a3.begin()[0]);
632 }
633
TEST(StlContainerViewTest,WorksForDynamicNativeArray)634 TEST(StlContainerViewTest, WorksForDynamicNativeArray) {
635 StaticAssertTypeEq<NativeArray<int>,
636 StlContainerView<std::tuple<const int*, size_t> >::type>();
637 StaticAssertTypeEq<
638 NativeArray<double>,
639 StlContainerView<std::tuple<std::shared_ptr<double>, int> >::type>();
640
641 StaticAssertTypeEq<
642 const NativeArray<int>,
643 StlContainerView<std::tuple<const int*, int> >::const_reference>();
644
645 int a1[3] = { 0, 1, 2 };
646 const int* const p1 = a1;
647 NativeArray<int> a2 =
648 StlContainerView<std::tuple<const int*, int> >::ConstReference(
649 std::make_tuple(p1, 3));
650 EXPECT_EQ(3U, a2.size());
651 EXPECT_EQ(a1, a2.begin());
652
653 const NativeArray<int> a3 = StlContainerView<std::tuple<int*, size_t> >::Copy(
654 std::make_tuple(static_cast<int*>(a1), 3));
655 ASSERT_EQ(3U, a3.size());
656 EXPECT_EQ(0, a3.begin()[0]);
657 EXPECT_EQ(1, a3.begin()[1]);
658 EXPECT_EQ(2, a3.begin()[2]);
659
660 // Makes sure a1 and a3 aren't aliases.
661 a1[0] = 3;
662 EXPECT_EQ(0, a3.begin()[0]);
663 }
664
665 // Tests the Function template struct.
666
TEST(FunctionTest,Nullary)667 TEST(FunctionTest, Nullary) {
668 typedef Function<int()> F; // NOLINT
669 EXPECT_EQ(0u, F::ArgumentCount);
670 EXPECT_TRUE((std::is_same<int, F::Result>::value));
671 EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentTuple>::value));
672 EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentMatcherTuple>::value));
673 EXPECT_TRUE((std::is_same<void(), F::MakeResultVoid>::value));
674 EXPECT_TRUE((std::is_same<IgnoredValue(), F::MakeResultIgnoredValue>::value));
675 }
676
TEST(FunctionTest,Unary)677 TEST(FunctionTest, Unary) {
678 typedef Function<int(bool)> F; // NOLINT
679 EXPECT_EQ(1u, F::ArgumentCount);
680 EXPECT_TRUE((std::is_same<int, F::Result>::value));
681 EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
682 EXPECT_TRUE((std::is_same<std::tuple<bool>, F::ArgumentTuple>::value));
683 EXPECT_TRUE((
684 std::is_same<std::tuple<Matcher<bool>>, F::ArgumentMatcherTuple>::value));
685 EXPECT_TRUE((std::is_same<void(bool), F::MakeResultVoid>::value)); // NOLINT
686 EXPECT_TRUE((std::is_same<IgnoredValue(bool), // NOLINT
687 F::MakeResultIgnoredValue>::value));
688 }
689
TEST(FunctionTest,Binary)690 TEST(FunctionTest, Binary) {
691 typedef Function<int(bool, const long&)> F; // NOLINT
692 EXPECT_EQ(2u, F::ArgumentCount);
693 EXPECT_TRUE((std::is_same<int, F::Result>::value));
694 EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
695 EXPECT_TRUE((std::is_same<const long&, F::Arg<1>::type>::value)); // NOLINT
696 EXPECT_TRUE((std::is_same<std::tuple<bool, const long&>, // NOLINT
697 F::ArgumentTuple>::value));
698 EXPECT_TRUE(
699 (std::is_same<std::tuple<Matcher<bool>, Matcher<const long&>>, // NOLINT
700 F::ArgumentMatcherTuple>::value));
701 EXPECT_TRUE((std::is_same<void(bool, const long&), // NOLINT
702 F::MakeResultVoid>::value));
703 EXPECT_TRUE((std::is_same<IgnoredValue(bool, const long&), // NOLINT
704 F::MakeResultIgnoredValue>::value));
705 }
706
TEST(FunctionTest,LongArgumentList)707 TEST(FunctionTest, LongArgumentList) {
708 typedef Function<char(bool, int, char*, int&, const long&)> F; // NOLINT
709 EXPECT_EQ(5u, F::ArgumentCount);
710 EXPECT_TRUE((std::is_same<char, F::Result>::value));
711 EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
712 EXPECT_TRUE((std::is_same<int, F::Arg<1>::type>::value));
713 EXPECT_TRUE((std::is_same<char*, F::Arg<2>::type>::value));
714 EXPECT_TRUE((std::is_same<int&, F::Arg<3>::type>::value));
715 EXPECT_TRUE((std::is_same<const long&, F::Arg<4>::type>::value)); // NOLINT
716 EXPECT_TRUE(
717 (std::is_same<std::tuple<bool, int, char*, int&, const long&>, // NOLINT
718 F::ArgumentTuple>::value));
719 EXPECT_TRUE(
720 (std::is_same<
721 std::tuple<Matcher<bool>, Matcher<int>, Matcher<char*>, Matcher<int&>,
722 Matcher<const long&>>, // NOLINT
723 F::ArgumentMatcherTuple>::value));
724 EXPECT_TRUE(
725 (std::is_same<void(bool, int, char*, int&, const long&), // NOLINT
726 F::MakeResultVoid>::value));
727 EXPECT_TRUE((
728 std::is_same<IgnoredValue(bool, int, char*, int&, const long&), // NOLINT
729 F::MakeResultIgnoredValue>::value));
730 }
731
732 } // namespace
733 } // namespace internal
734 } // namespace testing
735