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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(GetRawPointerTest,WorksForSmartPointers)127 TEST(GetRawPointerTest, WorksForSmartPointers) {
128 const char* const raw_p1 = new const char('a'); // NOLINT
129 const std::unique_ptr<const char> p1(raw_p1);
130 EXPECT_EQ(raw_p1, GetRawPointer(p1));
131 double* const raw_p2 = new double(2.5); // NOLINT
132 const std::shared_ptr<double> p2(raw_p2);
133 EXPECT_EQ(raw_p2, GetRawPointer(p2));
134 }
135
TEST(GetRawPointerTest,WorksForRawPointers)136 TEST(GetRawPointerTest, WorksForRawPointers) {
137 int* p = nullptr;
138 EXPECT_TRUE(nullptr == GetRawPointer(p));
139 int n = 1;
140 EXPECT_EQ(&n, GetRawPointer(&n));
141 }
142
143 // Tests KindOf<T>.
144
145 class Base {};
146 class Derived : public Base {};
147
TEST(KindOfTest,Bool)148 TEST(KindOfTest, Bool) {
149 EXPECT_EQ(kBool, GMOCK_KIND_OF_(bool)); // NOLINT
150 }
151
TEST(KindOfTest,Integer)152 TEST(KindOfTest, Integer) {
153 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(char)); // NOLINT
154 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(signed char)); // NOLINT
155 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned char)); // NOLINT
156 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(short)); // NOLINT
157 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned short)); // NOLINT
158 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(int)); // NOLINT
159 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned int)); // NOLINT
160 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long)); // NOLINT
161 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long)); // NOLINT
162 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(long long)); // NOLINT
163 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(unsigned long long)); // NOLINT
164 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(wchar_t)); // NOLINT
165 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(size_t)); // NOLINT
166 #if GTEST_OS_LINUX || GTEST_OS_MAC || GTEST_OS_CYGWIN
167 // ssize_t is not defined on Windows and possibly some other OSes.
168 EXPECT_EQ(kInteger, GMOCK_KIND_OF_(ssize_t)); // NOLINT
169 #endif
170 }
171
TEST(KindOfTest,FloatingPoint)172 TEST(KindOfTest, FloatingPoint) {
173 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(float)); // NOLINT
174 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(double)); // NOLINT
175 EXPECT_EQ(kFloatingPoint, GMOCK_KIND_OF_(long double)); // NOLINT
176 }
177
TEST(KindOfTest,Other)178 TEST(KindOfTest, Other) {
179 EXPECT_EQ(kOther, GMOCK_KIND_OF_(void*)); // NOLINT
180 EXPECT_EQ(kOther, GMOCK_KIND_OF_(char**)); // NOLINT
181 EXPECT_EQ(kOther, GMOCK_KIND_OF_(Base)); // NOLINT
182 }
183
184 // Tests LosslessArithmeticConvertible<T, U>.
185
TEST(LosslessArithmeticConvertibleTest,BoolToBool)186 TEST(LosslessArithmeticConvertibleTest, BoolToBool) {
187 EXPECT_TRUE((LosslessArithmeticConvertible<bool, bool>::value));
188 }
189
TEST(LosslessArithmeticConvertibleTest,BoolToInteger)190 TEST(LosslessArithmeticConvertibleTest, BoolToInteger) {
191 EXPECT_TRUE((LosslessArithmeticConvertible<bool, char>::value));
192 EXPECT_TRUE((LosslessArithmeticConvertible<bool, int>::value));
193 EXPECT_TRUE(
194 (LosslessArithmeticConvertible<bool, unsigned long>::value)); // NOLINT
195 }
196
TEST(LosslessArithmeticConvertibleTest,BoolToFloatingPoint)197 TEST(LosslessArithmeticConvertibleTest, BoolToFloatingPoint) {
198 EXPECT_TRUE((LosslessArithmeticConvertible<bool, float>::value));
199 EXPECT_TRUE((LosslessArithmeticConvertible<bool, double>::value));
200 }
201
TEST(LosslessArithmeticConvertibleTest,IntegerToBool)202 TEST(LosslessArithmeticConvertibleTest, IntegerToBool) {
203 EXPECT_FALSE((LosslessArithmeticConvertible<unsigned char, bool>::value));
204 EXPECT_FALSE((LosslessArithmeticConvertible<int, bool>::value));
205 }
206
TEST(LosslessArithmeticConvertibleTest,IntegerToInteger)207 TEST(LosslessArithmeticConvertibleTest, IntegerToInteger) {
208 // Unsigned => larger signed is fine.
209 EXPECT_TRUE((LosslessArithmeticConvertible<unsigned char, int>::value));
210
211 // Unsigned => larger unsigned is fine.
212 EXPECT_TRUE((LosslessArithmeticConvertible<
213 unsigned short, uint64_t>::value)); // NOLINT
214
215 // Signed => unsigned is not fine.
216 EXPECT_FALSE((LosslessArithmeticConvertible<
217 short, uint64_t>::value)); // NOLINT
218 EXPECT_FALSE((LosslessArithmeticConvertible<
219 signed char, unsigned int>::value)); // NOLINT
220
221 // Same size and same signedness: fine too.
222 EXPECT_TRUE((LosslessArithmeticConvertible<
223 unsigned char, unsigned char>::value));
224 EXPECT_TRUE((LosslessArithmeticConvertible<int, int>::value));
225 EXPECT_TRUE((LosslessArithmeticConvertible<wchar_t, wchar_t>::value));
226 EXPECT_TRUE((LosslessArithmeticConvertible<
227 unsigned long, unsigned long>::value)); // NOLINT
228
229 // Same size, different signedness: not fine.
230 EXPECT_FALSE((LosslessArithmeticConvertible<
231 unsigned char, signed char>::value));
232 EXPECT_FALSE((LosslessArithmeticConvertible<int, unsigned int>::value));
233 EXPECT_FALSE((LosslessArithmeticConvertible<uint64_t, int64_t>::value));
234
235 // Larger size => smaller size is not fine.
236 EXPECT_FALSE((LosslessArithmeticConvertible<long, char>::value)); // NOLINT
237 EXPECT_FALSE((LosslessArithmeticConvertible<int, signed char>::value));
238 EXPECT_FALSE((LosslessArithmeticConvertible<int64_t, unsigned int>::value));
239 }
240
TEST(LosslessArithmeticConvertibleTest,IntegerToFloatingPoint)241 TEST(LosslessArithmeticConvertibleTest, IntegerToFloatingPoint) {
242 // Integers cannot be losslessly converted to floating-points, as
243 // the format of the latter is implementation-defined.
244 EXPECT_FALSE((LosslessArithmeticConvertible<char, float>::value));
245 EXPECT_FALSE((LosslessArithmeticConvertible<int, double>::value));
246 EXPECT_FALSE((LosslessArithmeticConvertible<
247 short, long double>::value)); // NOLINT
248 }
249
TEST(LosslessArithmeticConvertibleTest,FloatingPointToBool)250 TEST(LosslessArithmeticConvertibleTest, FloatingPointToBool) {
251 EXPECT_FALSE((LosslessArithmeticConvertible<float, bool>::value));
252 EXPECT_FALSE((LosslessArithmeticConvertible<double, bool>::value));
253 }
254
TEST(LosslessArithmeticConvertibleTest,FloatingPointToInteger)255 TEST(LosslessArithmeticConvertibleTest, FloatingPointToInteger) {
256 EXPECT_FALSE((LosslessArithmeticConvertible<float, long>::value)); // NOLINT
257 EXPECT_FALSE((LosslessArithmeticConvertible<double, int64_t>::value));
258 EXPECT_FALSE((LosslessArithmeticConvertible<long double, int>::value));
259 }
260
TEST(LosslessArithmeticConvertibleTest,FloatingPointToFloatingPoint)261 TEST(LosslessArithmeticConvertibleTest, FloatingPointToFloatingPoint) {
262 // Smaller size => larger size is fine.
263 EXPECT_TRUE((LosslessArithmeticConvertible<float, double>::value));
264 EXPECT_TRUE((LosslessArithmeticConvertible<float, long double>::value));
265 EXPECT_TRUE((LosslessArithmeticConvertible<double, long double>::value));
266
267 // Same size: fine.
268 EXPECT_TRUE((LosslessArithmeticConvertible<float, float>::value));
269 EXPECT_TRUE((LosslessArithmeticConvertible<double, double>::value));
270
271 // Larger size => smaller size is not fine.
272 EXPECT_FALSE((LosslessArithmeticConvertible<double, float>::value));
273 GTEST_INTENTIONAL_CONST_COND_PUSH_()
274 if (sizeof(double) == sizeof(long double)) { // NOLINT
275 GTEST_INTENTIONAL_CONST_COND_POP_()
276 // In some implementations (e.g. MSVC), double and long double
277 // have the same size.
278 EXPECT_TRUE((LosslessArithmeticConvertible<long double, double>::value));
279 } else {
280 EXPECT_FALSE((LosslessArithmeticConvertible<long double, double>::value));
281 }
282 }
283
284 // Tests the TupleMatches() template function.
285
TEST(TupleMatchesTest,WorksForSize0)286 TEST(TupleMatchesTest, WorksForSize0) {
287 std::tuple<> matchers;
288 std::tuple<> values;
289
290 EXPECT_TRUE(TupleMatches(matchers, values));
291 }
292
TEST(TupleMatchesTest,WorksForSize1)293 TEST(TupleMatchesTest, WorksForSize1) {
294 std::tuple<Matcher<int> > matchers(Eq(1));
295 std::tuple<int> values1(1), values2(2);
296
297 EXPECT_TRUE(TupleMatches(matchers, values1));
298 EXPECT_FALSE(TupleMatches(matchers, values2));
299 }
300
TEST(TupleMatchesTest,WorksForSize2)301 TEST(TupleMatchesTest, WorksForSize2) {
302 std::tuple<Matcher<int>, Matcher<char> > matchers(Eq(1), Eq('a'));
303 std::tuple<int, char> values1(1, 'a'), values2(1, 'b'), values3(2, 'a'),
304 values4(2, 'b');
305
306 EXPECT_TRUE(TupleMatches(matchers, values1));
307 EXPECT_FALSE(TupleMatches(matchers, values2));
308 EXPECT_FALSE(TupleMatches(matchers, values3));
309 EXPECT_FALSE(TupleMatches(matchers, values4));
310 }
311
TEST(TupleMatchesTest,WorksForSize5)312 TEST(TupleMatchesTest, WorksForSize5) {
313 std::tuple<Matcher<int>, Matcher<char>, Matcher<bool>,
314 Matcher<long>, // NOLINT
315 Matcher<std::string> >
316 matchers(Eq(1), Eq('a'), Eq(true), Eq(2L), Eq("hi"));
317 std::tuple<int, char, bool, long, std::string> // NOLINT
318 values1(1, 'a', true, 2L, "hi"), values2(1, 'a', true, 2L, "hello"),
319 values3(2, 'a', true, 2L, "hi");
320
321 EXPECT_TRUE(TupleMatches(matchers, values1));
322 EXPECT_FALSE(TupleMatches(matchers, values2));
323 EXPECT_FALSE(TupleMatches(matchers, values3));
324 }
325
326 // Tests that Assert(true, ...) succeeds.
TEST(AssertTest,SucceedsOnTrue)327 TEST(AssertTest, SucceedsOnTrue) {
328 Assert(true, __FILE__, __LINE__, "This should succeed.");
329 Assert(true, __FILE__, __LINE__); // This should succeed too.
330 }
331
332 // Tests that Assert(false, ...) generates a fatal failure.
TEST(AssertTest,FailsFatallyOnFalse)333 TEST(AssertTest, FailsFatallyOnFalse) {
334 EXPECT_DEATH_IF_SUPPORTED({
335 Assert(false, __FILE__, __LINE__, "This should fail.");
336 }, "");
337
338 EXPECT_DEATH_IF_SUPPORTED({
339 Assert(false, __FILE__, __LINE__);
340 }, "");
341 }
342
343 // Tests that Expect(true, ...) succeeds.
TEST(ExpectTest,SucceedsOnTrue)344 TEST(ExpectTest, SucceedsOnTrue) {
345 Expect(true, __FILE__, __LINE__, "This should succeed.");
346 Expect(true, __FILE__, __LINE__); // This should succeed too.
347 }
348
349 // Tests that Expect(false, ...) generates a non-fatal failure.
TEST(ExpectTest,FailsNonfatallyOnFalse)350 TEST(ExpectTest, FailsNonfatallyOnFalse) {
351 EXPECT_NONFATAL_FAILURE({ // NOLINT
352 Expect(false, __FILE__, __LINE__, "This should fail.");
353 }, "This should fail");
354
355 EXPECT_NONFATAL_FAILURE({ // NOLINT
356 Expect(false, __FILE__, __LINE__);
357 }, "Expectation failed");
358 }
359
360 // Tests LogIsVisible().
361
362 class LogIsVisibleTest : public ::testing::Test {
363 protected:
SetUp()364 void SetUp() override { original_verbose_ = GMOCK_FLAG_GET(verbose); }
365
TearDown()366 void TearDown() override { GMOCK_FLAG_SET(verbose, original_verbose_); }
367
368 std::string original_verbose_;
369 };
370
TEST_F(LogIsVisibleTest,AlwaysReturnsTrueIfVerbosityIsInfo)371 TEST_F(LogIsVisibleTest, AlwaysReturnsTrueIfVerbosityIsInfo) {
372 GMOCK_FLAG_SET(verbose, kInfoVerbosity);
373 EXPECT_TRUE(LogIsVisible(kInfo));
374 EXPECT_TRUE(LogIsVisible(kWarning));
375 }
376
TEST_F(LogIsVisibleTest,AlwaysReturnsFalseIfVerbosityIsError)377 TEST_F(LogIsVisibleTest, AlwaysReturnsFalseIfVerbosityIsError) {
378 GMOCK_FLAG_SET(verbose, kErrorVerbosity);
379 EXPECT_FALSE(LogIsVisible(kInfo));
380 EXPECT_FALSE(LogIsVisible(kWarning));
381 }
382
TEST_F(LogIsVisibleTest,WorksWhenVerbosityIsWarning)383 TEST_F(LogIsVisibleTest, WorksWhenVerbosityIsWarning) {
384 GMOCK_FLAG_SET(verbose, kWarningVerbosity);
385 EXPECT_FALSE(LogIsVisible(kInfo));
386 EXPECT_TRUE(LogIsVisible(kWarning));
387 }
388
389 #if GTEST_HAS_STREAM_REDIRECTION
390
391 // Tests the Log() function.
392
393 // Verifies that Log() behaves correctly for the given verbosity level
394 // and log severity.
TestLogWithSeverity(const std::string & verbosity,LogSeverity severity,bool should_print)395 void TestLogWithSeverity(const std::string& verbosity, LogSeverity severity,
396 bool should_print) {
397 const std::string old_flag = GMOCK_FLAG(verbose);
398 GMOCK_FLAG_SET(verbose, verbosity);
399 CaptureStdout();
400 Log(severity, "Test log.\n", 0);
401 if (should_print) {
402 EXPECT_THAT(GetCapturedStdout().c_str(),
403 ContainsRegex(
404 severity == kWarning ?
405 "^\nGMOCK WARNING:\nTest log\\.\nStack trace:\n" :
406 "^\nTest log\\.\nStack trace:\n"));
407 } else {
408 EXPECT_STREQ("", GetCapturedStdout().c_str());
409 }
410 GMOCK_FLAG_SET(verbose, old_flag);
411 }
412
413 // Tests that when the stack_frames_to_skip parameter is negative,
414 // Log() doesn't include the stack trace in the output.
TEST(LogTest,NoStackTraceWhenStackFramesToSkipIsNegative)415 TEST(LogTest, NoStackTraceWhenStackFramesToSkipIsNegative) {
416 const std::string saved_flag = GMOCK_FLAG(verbose);
417 GMOCK_FLAG_SET(verbose, kInfoVerbosity);
418 CaptureStdout();
419 Log(kInfo, "Test log.\n", -1);
420 EXPECT_STREQ("\nTest log.\n", GetCapturedStdout().c_str());
421 GMOCK_FLAG_SET(verbose, saved_flag);
422 }
423
424 struct MockStackTraceGetter : testing::internal::OsStackTraceGetterInterface {
CurrentStackTracetesting::internal::__anon5add30f50111::MockStackTraceGetter425 std::string CurrentStackTrace(int max_depth, int skip_count) override {
426 return (testing::Message() << max_depth << "::" << skip_count << "\n")
427 .GetString();
428 }
UponLeavingGTesttesting::internal::__anon5add30f50111::MockStackTraceGetter429 void UponLeavingGTest() override {}
430 };
431
432 // Tests that in opt mode, a positive stack_frames_to_skip argument is
433 // treated as 0.
TEST(LogTest,NoSkippingStackFrameInOptMode)434 TEST(LogTest, NoSkippingStackFrameInOptMode) {
435 MockStackTraceGetter* mock_os_stack_trace_getter = new MockStackTraceGetter;
436 GetUnitTestImpl()->set_os_stack_trace_getter(mock_os_stack_trace_getter);
437
438 CaptureStdout();
439 Log(kWarning, "Test log.\n", 100);
440 const std::string log = GetCapturedStdout();
441
442 std::string expected_trace =
443 (testing::Message() << GTEST_FLAG_GET(stack_trace_depth) << "::")
444 .GetString();
445 std::string expected_message =
446 "\nGMOCK WARNING:\n"
447 "Test log.\n"
448 "Stack trace:\n" +
449 expected_trace;
450 EXPECT_THAT(log, HasSubstr(expected_message));
451 int skip_count = atoi(log.substr(expected_message.size()).c_str());
452
453 # if defined(NDEBUG)
454 // In opt mode, no stack frame should be skipped.
455 const int expected_skip_count = 0;
456 # else
457 // In dbg mode, the stack frames should be skipped.
458 const int expected_skip_count = 100;
459 # endif
460
461 // Note that each inner implementation layer will +1 the number to remove
462 // itself from the trace. This means that the value is a little higher than
463 // expected, but close enough.
464 EXPECT_THAT(skip_count,
465 AllOf(Ge(expected_skip_count), Le(expected_skip_count + 10)));
466
467 // Restores the default OS stack trace getter.
468 GetUnitTestImpl()->set_os_stack_trace_getter(nullptr);
469 }
470
471 // Tests that all logs are printed when the value of the
472 // --gmock_verbose flag is "info".
TEST(LogTest,AllLogsArePrintedWhenVerbosityIsInfo)473 TEST(LogTest, AllLogsArePrintedWhenVerbosityIsInfo) {
474 TestLogWithSeverity(kInfoVerbosity, kInfo, true);
475 TestLogWithSeverity(kInfoVerbosity, kWarning, true);
476 }
477
478 // Tests that only warnings are printed when the value of the
479 // --gmock_verbose flag is "warning".
TEST(LogTest,OnlyWarningsArePrintedWhenVerbosityIsWarning)480 TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsWarning) {
481 TestLogWithSeverity(kWarningVerbosity, kInfo, false);
482 TestLogWithSeverity(kWarningVerbosity, kWarning, true);
483 }
484
485 // Tests that no logs are printed when the value of the
486 // --gmock_verbose flag is "error".
TEST(LogTest,NoLogsArePrintedWhenVerbosityIsError)487 TEST(LogTest, NoLogsArePrintedWhenVerbosityIsError) {
488 TestLogWithSeverity(kErrorVerbosity, kInfo, false);
489 TestLogWithSeverity(kErrorVerbosity, kWarning, false);
490 }
491
492 // Tests that only warnings are printed when the value of the
493 // --gmock_verbose flag is invalid.
TEST(LogTest,OnlyWarningsArePrintedWhenVerbosityIsInvalid)494 TEST(LogTest, OnlyWarningsArePrintedWhenVerbosityIsInvalid) {
495 TestLogWithSeverity("invalid", kInfo, false);
496 TestLogWithSeverity("invalid", kWarning, true);
497 }
498
499 // Verifies that Log() behaves correctly for the given verbosity level
500 // and log severity.
GrabOutput(void (* logger)(),const char * verbosity)501 std::string GrabOutput(void(*logger)(), const char* verbosity) {
502 const std::string saved_flag = GMOCK_FLAG(verbose);
503 GMOCK_FLAG_SET(verbose, verbosity);
504 CaptureStdout();
505 logger();
506 GMOCK_FLAG_SET(verbose, saved_flag);
507 return GetCapturedStdout();
508 }
509
510 class DummyMock {
511 public:
512 MOCK_METHOD0(TestMethod, void());
513 MOCK_METHOD1(TestMethodArg, void(int dummy));
514 };
515
ExpectCallLogger()516 void ExpectCallLogger() {
517 DummyMock mock;
518 EXPECT_CALL(mock, TestMethod());
519 mock.TestMethod();
520 }
521
522 // Verifies that EXPECT_CALL logs if the --gmock_verbose flag is set to "info".
TEST(ExpectCallTest,LogsWhenVerbosityIsInfo)523 TEST(ExpectCallTest, LogsWhenVerbosityIsInfo) {
524 EXPECT_THAT(std::string(GrabOutput(ExpectCallLogger, kInfoVerbosity)),
525 HasSubstr("EXPECT_CALL(mock, TestMethod())"));
526 }
527
528 // Verifies that EXPECT_CALL doesn't log
529 // if the --gmock_verbose flag is set to "warning".
TEST(ExpectCallTest,DoesNotLogWhenVerbosityIsWarning)530 TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsWarning) {
531 EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kWarningVerbosity).c_str());
532 }
533
534 // Verifies that EXPECT_CALL doesn't log
535 // if the --gmock_verbose flag is set to "error".
TEST(ExpectCallTest,DoesNotLogWhenVerbosityIsError)536 TEST(ExpectCallTest, DoesNotLogWhenVerbosityIsError) {
537 EXPECT_STREQ("", GrabOutput(ExpectCallLogger, kErrorVerbosity).c_str());
538 }
539
OnCallLogger()540 void OnCallLogger() {
541 DummyMock mock;
542 ON_CALL(mock, TestMethod());
543 }
544
545 // Verifies that ON_CALL logs if the --gmock_verbose flag is set to "info".
TEST(OnCallTest,LogsWhenVerbosityIsInfo)546 TEST(OnCallTest, LogsWhenVerbosityIsInfo) {
547 EXPECT_THAT(std::string(GrabOutput(OnCallLogger, kInfoVerbosity)),
548 HasSubstr("ON_CALL(mock, TestMethod())"));
549 }
550
551 // Verifies that ON_CALL doesn't log
552 // if the --gmock_verbose flag is set to "warning".
TEST(OnCallTest,DoesNotLogWhenVerbosityIsWarning)553 TEST(OnCallTest, DoesNotLogWhenVerbosityIsWarning) {
554 EXPECT_STREQ("", GrabOutput(OnCallLogger, kWarningVerbosity).c_str());
555 }
556
557 // Verifies that ON_CALL doesn't log if
558 // the --gmock_verbose flag is set to "error".
TEST(OnCallTest,DoesNotLogWhenVerbosityIsError)559 TEST(OnCallTest, DoesNotLogWhenVerbosityIsError) {
560 EXPECT_STREQ("", GrabOutput(OnCallLogger, kErrorVerbosity).c_str());
561 }
562
OnCallAnyArgumentLogger()563 void OnCallAnyArgumentLogger() {
564 DummyMock mock;
565 ON_CALL(mock, TestMethodArg(_));
566 }
567
568 // Verifies that ON_CALL prints provided _ argument.
TEST(OnCallTest,LogsAnythingArgument)569 TEST(OnCallTest, LogsAnythingArgument) {
570 EXPECT_THAT(std::string(GrabOutput(OnCallAnyArgumentLogger, kInfoVerbosity)),
571 HasSubstr("ON_CALL(mock, TestMethodArg(_)"));
572 }
573
574 #endif // GTEST_HAS_STREAM_REDIRECTION
575
576 // Tests StlContainerView.
577
TEST(StlContainerViewTest,WorksForStlContainer)578 TEST(StlContainerViewTest, WorksForStlContainer) {
579 StaticAssertTypeEq<std::vector<int>,
580 StlContainerView<std::vector<int> >::type>();
581 StaticAssertTypeEq<const std::vector<double>&,
582 StlContainerView<std::vector<double> >::const_reference>();
583
584 typedef std::vector<char> Chars;
585 Chars v1;
586 const Chars& v2(StlContainerView<Chars>::ConstReference(v1));
587 EXPECT_EQ(&v1, &v2);
588
589 v1.push_back('a');
590 Chars v3 = StlContainerView<Chars>::Copy(v1);
591 EXPECT_THAT(v3, Eq(v3));
592 }
593
TEST(StlContainerViewTest,WorksForStaticNativeArray)594 TEST(StlContainerViewTest, WorksForStaticNativeArray) {
595 StaticAssertTypeEq<NativeArray<int>,
596 StlContainerView<int[3]>::type>();
597 StaticAssertTypeEq<NativeArray<double>,
598 StlContainerView<const double[4]>::type>();
599 StaticAssertTypeEq<NativeArray<char[3]>,
600 StlContainerView<const char[2][3]>::type>();
601
602 StaticAssertTypeEq<const NativeArray<int>,
603 StlContainerView<int[2]>::const_reference>();
604
605 int a1[3] = { 0, 1, 2 };
606 NativeArray<int> a2 = StlContainerView<int[3]>::ConstReference(a1);
607 EXPECT_EQ(3U, a2.size());
608 EXPECT_EQ(a1, a2.begin());
609
610 const NativeArray<int> a3 = StlContainerView<int[3]>::Copy(a1);
611 ASSERT_EQ(3U, a3.size());
612 EXPECT_EQ(0, a3.begin()[0]);
613 EXPECT_EQ(1, a3.begin()[1]);
614 EXPECT_EQ(2, a3.begin()[2]);
615
616 // Makes sure a1 and a3 aren't aliases.
617 a1[0] = 3;
618 EXPECT_EQ(0, a3.begin()[0]);
619 }
620
TEST(StlContainerViewTest,WorksForDynamicNativeArray)621 TEST(StlContainerViewTest, WorksForDynamicNativeArray) {
622 StaticAssertTypeEq<NativeArray<int>,
623 StlContainerView<std::tuple<const int*, size_t> >::type>();
624 StaticAssertTypeEq<
625 NativeArray<double>,
626 StlContainerView<std::tuple<std::shared_ptr<double>, int> >::type>();
627
628 StaticAssertTypeEq<
629 const NativeArray<int>,
630 StlContainerView<std::tuple<const int*, int> >::const_reference>();
631
632 int a1[3] = { 0, 1, 2 };
633 const int* const p1 = a1;
634 NativeArray<int> a2 =
635 StlContainerView<std::tuple<const int*, int> >::ConstReference(
636 std::make_tuple(p1, 3));
637 EXPECT_EQ(3U, a2.size());
638 EXPECT_EQ(a1, a2.begin());
639
640 const NativeArray<int> a3 = StlContainerView<std::tuple<int*, size_t> >::Copy(
641 std::make_tuple(static_cast<int*>(a1), 3));
642 ASSERT_EQ(3U, a3.size());
643 EXPECT_EQ(0, a3.begin()[0]);
644 EXPECT_EQ(1, a3.begin()[1]);
645 EXPECT_EQ(2, a3.begin()[2]);
646
647 // Makes sure a1 and a3 aren't aliases.
648 a1[0] = 3;
649 EXPECT_EQ(0, a3.begin()[0]);
650 }
651
652 // Tests the Function template struct.
653
TEST(FunctionTest,Nullary)654 TEST(FunctionTest, Nullary) {
655 typedef Function<int()> F; // NOLINT
656 EXPECT_EQ(0u, F::ArgumentCount);
657 EXPECT_TRUE((std::is_same<int, F::Result>::value));
658 EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentTuple>::value));
659 EXPECT_TRUE((std::is_same<std::tuple<>, F::ArgumentMatcherTuple>::value));
660 EXPECT_TRUE((std::is_same<void(), F::MakeResultVoid>::value));
661 EXPECT_TRUE((std::is_same<IgnoredValue(), F::MakeResultIgnoredValue>::value));
662 }
663
TEST(FunctionTest,Unary)664 TEST(FunctionTest, Unary) {
665 typedef Function<int(bool)> F; // NOLINT
666 EXPECT_EQ(1u, F::ArgumentCount);
667 EXPECT_TRUE((std::is_same<int, F::Result>::value));
668 EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
669 EXPECT_TRUE((std::is_same<std::tuple<bool>, F::ArgumentTuple>::value));
670 EXPECT_TRUE((
671 std::is_same<std::tuple<Matcher<bool>>, F::ArgumentMatcherTuple>::value));
672 EXPECT_TRUE((std::is_same<void(bool), F::MakeResultVoid>::value)); // NOLINT
673 EXPECT_TRUE((std::is_same<IgnoredValue(bool), // NOLINT
674 F::MakeResultIgnoredValue>::value));
675 }
676
TEST(FunctionTest,Binary)677 TEST(FunctionTest, Binary) {
678 typedef Function<int(bool, const long&)> F; // NOLINT
679 EXPECT_EQ(2u, 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<const long&, F::Arg<1>::type>::value)); // NOLINT
683 EXPECT_TRUE((std::is_same<std::tuple<bool, const long&>, // NOLINT
684 F::ArgumentTuple>::value));
685 EXPECT_TRUE(
686 (std::is_same<std::tuple<Matcher<bool>, Matcher<const long&>>, // NOLINT
687 F::ArgumentMatcherTuple>::value));
688 EXPECT_TRUE((std::is_same<void(bool, const long&), // NOLINT
689 F::MakeResultVoid>::value));
690 EXPECT_TRUE((std::is_same<IgnoredValue(bool, const long&), // NOLINT
691 F::MakeResultIgnoredValue>::value));
692 }
693
TEST(FunctionTest,LongArgumentList)694 TEST(FunctionTest, LongArgumentList) {
695 typedef Function<char(bool, int, char*, int&, const long&)> F; // NOLINT
696 EXPECT_EQ(5u, F::ArgumentCount);
697 EXPECT_TRUE((std::is_same<char, F::Result>::value));
698 EXPECT_TRUE((std::is_same<bool, F::Arg<0>::type>::value));
699 EXPECT_TRUE((std::is_same<int, F::Arg<1>::type>::value));
700 EXPECT_TRUE((std::is_same<char*, F::Arg<2>::type>::value));
701 EXPECT_TRUE((std::is_same<int&, F::Arg<3>::type>::value));
702 EXPECT_TRUE((std::is_same<const long&, F::Arg<4>::type>::value)); // NOLINT
703 EXPECT_TRUE(
704 (std::is_same<std::tuple<bool, int, char*, int&, const long&>, // NOLINT
705 F::ArgumentTuple>::value));
706 EXPECT_TRUE(
707 (std::is_same<
708 std::tuple<Matcher<bool>, Matcher<int>, Matcher<char*>, Matcher<int&>,
709 Matcher<const long&>>, // NOLINT
710 F::ArgumentMatcherTuple>::value));
711 EXPECT_TRUE(
712 (std::is_same<void(bool, int, char*, int&, const long&), // NOLINT
713 F::MakeResultVoid>::value));
714 EXPECT_TRUE((
715 std::is_same<IgnoredValue(bool, int, char*, int&, const long&), // NOLINT
716 F::MakeResultIgnoredValue>::value));
717 }
718
TEST(Base64Unescape,InvalidString)719 TEST(Base64Unescape, InvalidString) {
720 std::string unescaped;
721 EXPECT_FALSE(Base64Unescape("(invalid)", &unescaped));
722 }
723
TEST(Base64Unescape,ShortString)724 TEST(Base64Unescape, ShortString) {
725 std::string unescaped;
726 EXPECT_TRUE(Base64Unescape("SGVsbG8gd29ybGQh", &unescaped));
727 EXPECT_EQ("Hello world!", unescaped);
728 }
729
TEST(Base64Unescape,ShortStringWithPadding)730 TEST(Base64Unescape, ShortStringWithPadding) {
731 std::string unescaped;
732 EXPECT_TRUE(Base64Unescape("SGVsbG8gd29ybGQ=", &unescaped));
733 EXPECT_EQ("Hello world", unescaped);
734 }
735
TEST(Base64Unescape,ShortStringWithoutPadding)736 TEST(Base64Unescape, ShortStringWithoutPadding) {
737 std::string unescaped;
738 EXPECT_TRUE(Base64Unescape("SGVsbG8gd29ybGQ", &unescaped));
739 EXPECT_EQ("Hello world", unescaped);
740 }
741
TEST(Base64Unescape,LongStringWithWhiteSpaces)742 TEST(Base64Unescape, LongStringWithWhiteSpaces) {
743 std::string escaped =
744 R"(TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz
745 IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg
746 dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu
747 dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo
748 ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=)";
749 std::string expected =
750 "Man is distinguished, not only by his reason, but by this singular "
751 "passion from other animals, which is a lust of the mind, that by a "
752 "perseverance of delight in the continued and indefatigable generation "
753 "of knowledge, exceeds the short vehemence of any carnal pleasure.";
754 std::string unescaped;
755 EXPECT_TRUE(Base64Unescape(escaped, &unescaped));
756 EXPECT_EQ(expected, unescaped);
757 }
758
759 } // namespace
760 } // namespace internal
761 } // namespace testing
762