1 // Copyright 2005, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above
11 // copyright notice, this list of conditions and the following disclaimer
12 // in the documentation and/or other materials provided with the
13 // distribution.
14 // * Neither the name of Google Inc. nor the names of its
15 // contributors may be used to endorse or promote products derived from
16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 //
30 // The purpose of this file is to generate Google Test output under
31 // various conditions. The output will then be verified by
32 // googletest-output-test.py to ensure that Google Test generates the
33 // desired messages. Therefore, most tests in this file are MEANT TO
34 // FAIL.
35
36 #include "gtest/gtest-spi.h"
37 #include "gtest/gtest.h"
38 #include "src/gtest-internal-inl.h"
39
40 #include <stdlib.h>
41
42 #if _MSC_VER
43 GTEST_DISABLE_MSC_WARNINGS_PUSH_(4127 /* conditional expression is constant */)
44 #endif // _MSC_VER
45
46 #if GTEST_IS_THREADSAFE
47 using testing::ScopedFakeTestPartResultReporter;
48 using testing::TestPartResultArray;
49
50 using testing::internal::Notification;
51 using testing::internal::ThreadWithParam;
52 #endif
53
54 namespace posix = ::testing::internal::posix;
55
56 // Tests catching fatal failures.
57
58 // A subroutine used by the following test.
TestEq1(int x)59 void TestEq1(int x) {
60 ASSERT_EQ(1, x);
61 }
62
63 // This function calls a test subroutine, catches the fatal failure it
64 // generates, and then returns early.
TryTestSubroutine()65 void TryTestSubroutine() {
66 // Calls a subrountine that yields a fatal failure.
67 TestEq1(2);
68
69 // Catches the fatal failure and aborts the test.
70 //
71 // The testing::Test:: prefix is necessary when calling
72 // HasFatalFailure() outside of a TEST, TEST_F, or test fixture.
73 if (testing::Test::HasFatalFailure()) return;
74
75 // If we get here, something is wrong.
76 FAIL() << "This should never be reached.";
77 }
78
TEST(PassingTest,PassingTest1)79 TEST(PassingTest, PassingTest1) {
80 }
81
TEST(PassingTest,PassingTest2)82 TEST(PassingTest, PassingTest2) {
83 }
84
85 // Tests that parameters of failing parameterized tests are printed in the
86 // failing test summary.
87 class FailingParamTest : public testing::TestWithParam<int> {};
88
TEST_P(FailingParamTest,Fails)89 TEST_P(FailingParamTest, Fails) {
90 EXPECT_EQ(1, GetParam());
91 }
92
93 // This generates a test which will fail. Google Test is expected to print
94 // its parameter when it outputs the list of all failed tests.
95 INSTANTIATE_TEST_SUITE_P(PrintingFailingParams,
96 FailingParamTest,
97 testing::Values(2));
98
99 // Tests that an empty value for the test suite basename yields just
100 // the test name without any prior /
101 class EmptyBasenameParamInst : public testing::TestWithParam<int> {};
102
TEST_P(EmptyBasenameParamInst,Passes)103 TEST_P(EmptyBasenameParamInst, Passes) { EXPECT_EQ(1, GetParam()); }
104
105 INSTANTIATE_TEST_SUITE_P(, EmptyBasenameParamInst, testing::Values(1));
106
107 static const char kGoldenString[] = "\"Line\0 1\"\nLine 2";
108
TEST(NonfatalFailureTest,EscapesStringOperands)109 TEST(NonfatalFailureTest, EscapesStringOperands) {
110 std::string actual = "actual \"string\"";
111 EXPECT_EQ(kGoldenString, actual);
112
113 const char* golden = kGoldenString;
114 EXPECT_EQ(golden, actual);
115 }
116
TEST(NonfatalFailureTest,DiffForLongStrings)117 TEST(NonfatalFailureTest, DiffForLongStrings) {
118 std::string golden_str(kGoldenString, sizeof(kGoldenString) - 1);
119 EXPECT_EQ(golden_str, "Line 2");
120 }
121
122 // Tests catching a fatal failure in a subroutine.
TEST(FatalFailureTest,FatalFailureInSubroutine)123 TEST(FatalFailureTest, FatalFailureInSubroutine) {
124 printf("(expecting a failure that x should be 1)\n");
125
126 TryTestSubroutine();
127 }
128
129 // Tests catching a fatal failure in a nested subroutine.
TEST(FatalFailureTest,FatalFailureInNestedSubroutine)130 TEST(FatalFailureTest, FatalFailureInNestedSubroutine) {
131 printf("(expecting a failure that x should be 1)\n");
132
133 // Calls a subrountine that yields a fatal failure.
134 TryTestSubroutine();
135
136 // Catches the fatal failure and aborts the test.
137 //
138 // When calling HasFatalFailure() inside a TEST, TEST_F, or test
139 // fixture, the testing::Test:: prefix is not needed.
140 if (HasFatalFailure()) return;
141
142 // If we get here, something is wrong.
143 FAIL() << "This should never be reached.";
144 }
145
146 // Tests HasFatalFailure() after a failed EXPECT check.
TEST(FatalFailureTest,NonfatalFailureInSubroutine)147 TEST(FatalFailureTest, NonfatalFailureInSubroutine) {
148 printf("(expecting a failure on false)\n");
149 EXPECT_TRUE(false); // Generates a nonfatal failure
150 ASSERT_FALSE(HasFatalFailure()); // This should succeed.
151 }
152
153 // Tests interleaving user logging and Google Test assertions.
TEST(LoggingTest,InterleavingLoggingAndAssertions)154 TEST(LoggingTest, InterleavingLoggingAndAssertions) {
155 static const int a[4] = {
156 3, 9, 2, 6
157 };
158
159 printf("(expecting 2 failures on (3) >= (a[i]))\n");
160 for (int i = 0; i < static_cast<int>(sizeof(a)/sizeof(*a)); i++) {
161 printf("i == %d\n", i);
162 EXPECT_GE(3, a[i]);
163 }
164 }
165
166 // Tests the SCOPED_TRACE macro.
167
168 // A helper function for testing SCOPED_TRACE.
SubWithoutTrace(int n)169 void SubWithoutTrace(int n) {
170 EXPECT_EQ(1, n);
171 ASSERT_EQ(2, n);
172 }
173
174 // Another helper function for testing SCOPED_TRACE.
SubWithTrace(int n)175 void SubWithTrace(int n) {
176 SCOPED_TRACE(testing::Message() << "n = " << n);
177
178 SubWithoutTrace(n);
179 }
180
TEST(SCOPED_TRACETest,AcceptedValues)181 TEST(SCOPED_TRACETest, AcceptedValues) {
182 SCOPED_TRACE("literal string");
183 SCOPED_TRACE(std::string("std::string"));
184 SCOPED_TRACE(1337); // streamable type
185 const char* null_value = nullptr;
186 SCOPED_TRACE(null_value);
187
188 ADD_FAILURE() << "Just checking that all these values work fine.";
189 }
190
191 // Tests that SCOPED_TRACE() obeys lexical scopes.
TEST(SCOPED_TRACETest,ObeysScopes)192 TEST(SCOPED_TRACETest, ObeysScopes) {
193 printf("(expected to fail)\n");
194
195 // There should be no trace before SCOPED_TRACE() is invoked.
196 ADD_FAILURE() << "This failure is expected, and shouldn't have a trace.";
197
198 {
199 SCOPED_TRACE("Expected trace");
200 // After SCOPED_TRACE(), a failure in the current scope should contain
201 // the trace.
202 ADD_FAILURE() << "This failure is expected, and should have a trace.";
203 }
204
205 // Once the control leaves the scope of the SCOPED_TRACE(), there
206 // should be no trace again.
207 ADD_FAILURE() << "This failure is expected, and shouldn't have a trace.";
208 }
209
210 // Tests that SCOPED_TRACE works inside a loop.
TEST(SCOPED_TRACETest,WorksInLoop)211 TEST(SCOPED_TRACETest, WorksInLoop) {
212 printf("(expected to fail)\n");
213
214 for (int i = 1; i <= 2; i++) {
215 SCOPED_TRACE(testing::Message() << "i = " << i);
216
217 SubWithoutTrace(i);
218 }
219 }
220
221 // Tests that SCOPED_TRACE works in a subroutine.
TEST(SCOPED_TRACETest,WorksInSubroutine)222 TEST(SCOPED_TRACETest, WorksInSubroutine) {
223 printf("(expected to fail)\n");
224
225 SubWithTrace(1);
226 SubWithTrace(2);
227 }
228
229 // Tests that SCOPED_TRACE can be nested.
TEST(SCOPED_TRACETest,CanBeNested)230 TEST(SCOPED_TRACETest, CanBeNested) {
231 printf("(expected to fail)\n");
232
233 SCOPED_TRACE(""); // A trace without a message.
234
235 SubWithTrace(2);
236 }
237
238 // Tests that multiple SCOPED_TRACEs can be used in the same scope.
TEST(SCOPED_TRACETest,CanBeRepeated)239 TEST(SCOPED_TRACETest, CanBeRepeated) {
240 printf("(expected to fail)\n");
241
242 SCOPED_TRACE("A");
243 ADD_FAILURE()
244 << "This failure is expected, and should contain trace point A.";
245
246 SCOPED_TRACE("B");
247 ADD_FAILURE()
248 << "This failure is expected, and should contain trace point A and B.";
249
250 {
251 SCOPED_TRACE("C");
252 ADD_FAILURE() << "This failure is expected, and should "
253 << "contain trace point A, B, and C.";
254 }
255
256 SCOPED_TRACE("D");
257 ADD_FAILURE() << "This failure is expected, and should "
258 << "contain trace point A, B, and D.";
259 }
260
261 #if GTEST_IS_THREADSAFE
262 // Tests that SCOPED_TRACE()s can be used concurrently from multiple
263 // threads. Namely, an assertion should be affected by
264 // SCOPED_TRACE()s in its own thread only.
265
266 // Here's the sequence of actions that happen in the test:
267 //
268 // Thread A (main) | Thread B (spawned)
269 // ===============================|================================
270 // spawns thread B |
271 // -------------------------------+--------------------------------
272 // waits for n1 | SCOPED_TRACE("Trace B");
273 // | generates failure #1
274 // | notifies n1
275 // -------------------------------+--------------------------------
276 // SCOPED_TRACE("Trace A"); | waits for n2
277 // generates failure #2 |
278 // notifies n2 |
279 // -------------------------------|--------------------------------
280 // waits for n3 | generates failure #3
281 // | trace B dies
282 // | generates failure #4
283 // | notifies n3
284 // -------------------------------|--------------------------------
285 // generates failure #5 | finishes
286 // trace A dies |
287 // generates failure #6 |
288 // -------------------------------|--------------------------------
289 // waits for thread B to finish |
290
291 struct CheckPoints {
292 Notification n1;
293 Notification n2;
294 Notification n3;
295 };
296
ThreadWithScopedTrace(CheckPoints * check_points)297 static void ThreadWithScopedTrace(CheckPoints* check_points) {
298 {
299 SCOPED_TRACE("Trace B");
300 ADD_FAILURE()
301 << "Expected failure #1 (in thread B, only trace B alive).";
302 check_points->n1.Notify();
303 check_points->n2.WaitForNotification();
304
305 ADD_FAILURE()
306 << "Expected failure #3 (in thread B, trace A & B both alive).";
307 } // Trace B dies here.
308 ADD_FAILURE()
309 << "Expected failure #4 (in thread B, only trace A alive).";
310 check_points->n3.Notify();
311 }
312
TEST(SCOPED_TRACETest,WorksConcurrently)313 TEST(SCOPED_TRACETest, WorksConcurrently) {
314 printf("(expecting 6 failures)\n");
315
316 CheckPoints check_points;
317 ThreadWithParam<CheckPoints*> thread(&ThreadWithScopedTrace, &check_points,
318 nullptr);
319 check_points.n1.WaitForNotification();
320
321 {
322 SCOPED_TRACE("Trace A");
323 ADD_FAILURE()
324 << "Expected failure #2 (in thread A, trace A & B both alive).";
325 check_points.n2.Notify();
326 check_points.n3.WaitForNotification();
327
328 ADD_FAILURE()
329 << "Expected failure #5 (in thread A, only trace A alive).";
330 } // Trace A dies here.
331 ADD_FAILURE()
332 << "Expected failure #6 (in thread A, no trace alive).";
333 thread.Join();
334 }
335 #endif // GTEST_IS_THREADSAFE
336
337 // Tests basic functionality of the ScopedTrace utility (most of its features
338 // are already tested in SCOPED_TRACETest).
TEST(ScopedTraceTest,WithExplicitFileAndLine)339 TEST(ScopedTraceTest, WithExplicitFileAndLine) {
340 testing::ScopedTrace trace("explicit_file.cc", 123, "expected trace message");
341 ADD_FAILURE() << "Check that the trace is attached to a particular location.";
342 }
343
TEST(DisabledTestsWarningTest,DISABLED_AlsoRunDisabledTestsFlagSuppressesWarning)344 TEST(DisabledTestsWarningTest,
345 DISABLED_AlsoRunDisabledTestsFlagSuppressesWarning) {
346 // This test body is intentionally empty. Its sole purpose is for
347 // verifying that the --gtest_also_run_disabled_tests flag
348 // suppresses the "YOU HAVE 12 DISABLED TESTS" warning at the end of
349 // the test output.
350 }
351
352 // Tests using assertions outside of TEST and TEST_F.
353 //
354 // This function creates two failures intentionally.
AdHocTest()355 void AdHocTest() {
356 printf("The non-test part of the code is expected to have 2 failures.\n\n");
357 EXPECT_TRUE(false);
358 EXPECT_EQ(2, 3);
359 }
360
361 // Runs all TESTs, all TEST_Fs, and the ad hoc test.
RunAllTests()362 int RunAllTests() {
363 AdHocTest();
364 return RUN_ALL_TESTS();
365 }
366
367 // Tests non-fatal failures in the fixture constructor.
368 class NonFatalFailureInFixtureConstructorTest : public testing::Test {
369 protected:
NonFatalFailureInFixtureConstructorTest()370 NonFatalFailureInFixtureConstructorTest() {
371 printf("(expecting 5 failures)\n");
372 ADD_FAILURE() << "Expected failure #1, in the test fixture c'tor.";
373 }
374
~NonFatalFailureInFixtureConstructorTest()375 ~NonFatalFailureInFixtureConstructorTest() override {
376 ADD_FAILURE() << "Expected failure #5, in the test fixture d'tor.";
377 }
378
SetUp()379 void SetUp() override { ADD_FAILURE() << "Expected failure #2, in SetUp()."; }
380
TearDown()381 void TearDown() override {
382 ADD_FAILURE() << "Expected failure #4, in TearDown.";
383 }
384 };
385
TEST_F(NonFatalFailureInFixtureConstructorTest,FailureInConstructor)386 TEST_F(NonFatalFailureInFixtureConstructorTest, FailureInConstructor) {
387 ADD_FAILURE() << "Expected failure #3, in the test body.";
388 }
389
390 // Tests fatal failures in the fixture constructor.
391 class FatalFailureInFixtureConstructorTest : public testing::Test {
392 protected:
FatalFailureInFixtureConstructorTest()393 FatalFailureInFixtureConstructorTest() {
394 printf("(expecting 2 failures)\n");
395 Init();
396 }
397
~FatalFailureInFixtureConstructorTest()398 ~FatalFailureInFixtureConstructorTest() override {
399 ADD_FAILURE() << "Expected failure #2, in the test fixture d'tor.";
400 }
401
SetUp()402 void SetUp() override {
403 ADD_FAILURE() << "UNEXPECTED failure in SetUp(). "
404 << "We should never get here, as the test fixture c'tor "
405 << "had a fatal failure.";
406 }
407
TearDown()408 void TearDown() override {
409 ADD_FAILURE() << "UNEXPECTED failure in TearDown(). "
410 << "We should never get here, as the test fixture c'tor "
411 << "had a fatal failure.";
412 }
413
414 private:
Init()415 void Init() {
416 FAIL() << "Expected failure #1, in the test fixture c'tor.";
417 }
418 };
419
TEST_F(FatalFailureInFixtureConstructorTest,FailureInConstructor)420 TEST_F(FatalFailureInFixtureConstructorTest, FailureInConstructor) {
421 ADD_FAILURE() << "UNEXPECTED failure in the test body. "
422 << "We should never get here, as the test fixture c'tor "
423 << "had a fatal failure.";
424 }
425
426 // Tests non-fatal failures in SetUp().
427 class NonFatalFailureInSetUpTest : public testing::Test {
428 protected:
~NonFatalFailureInSetUpTest()429 ~NonFatalFailureInSetUpTest() override { Deinit(); }
430
SetUp()431 void SetUp() override {
432 printf("(expecting 4 failures)\n");
433 ADD_FAILURE() << "Expected failure #1, in SetUp().";
434 }
435
TearDown()436 void TearDown() override { FAIL() << "Expected failure #3, in TearDown()."; }
437
438 private:
Deinit()439 void Deinit() {
440 FAIL() << "Expected failure #4, in the test fixture d'tor.";
441 }
442 };
443
TEST_F(NonFatalFailureInSetUpTest,FailureInSetUp)444 TEST_F(NonFatalFailureInSetUpTest, FailureInSetUp) {
445 FAIL() << "Expected failure #2, in the test function.";
446 }
447
448 // Tests fatal failures in SetUp().
449 class FatalFailureInSetUpTest : public testing::Test {
450 protected:
~FatalFailureInSetUpTest()451 ~FatalFailureInSetUpTest() override { Deinit(); }
452
SetUp()453 void SetUp() override {
454 printf("(expecting 3 failures)\n");
455 FAIL() << "Expected failure #1, in SetUp().";
456 }
457
TearDown()458 void TearDown() override { FAIL() << "Expected failure #2, in TearDown()."; }
459
460 private:
Deinit()461 void Deinit() {
462 FAIL() << "Expected failure #3, in the test fixture d'tor.";
463 }
464 };
465
TEST_F(FatalFailureInSetUpTest,FailureInSetUp)466 TEST_F(FatalFailureInSetUpTest, FailureInSetUp) {
467 FAIL() << "UNEXPECTED failure in the test function. "
468 << "We should never get here, as SetUp() failed.";
469 }
470
TEST(AddFailureAtTest,MessageContainsSpecifiedFileAndLineNumber)471 TEST(AddFailureAtTest, MessageContainsSpecifiedFileAndLineNumber) {
472 ADD_FAILURE_AT("foo.cc", 42) << "Expected nonfatal failure in foo.cc";
473 }
474
TEST(GtestFailAtTest,MessageContainsSpecifiedFileAndLineNumber)475 TEST(GtestFailAtTest, MessageContainsSpecifiedFileAndLineNumber) {
476 GTEST_FAIL_AT("foo.cc", 42) << "Expected fatal failure in foo.cc";
477 }
478
479 // The MixedUpTestSuiteTest test case verifies that Google Test will fail a
480 // test if it uses a different fixture class than what other tests in
481 // the same test case use. It deliberately contains two fixture
482 // classes with the same name but defined in different namespaces.
483
484 // The MixedUpTestSuiteWithSameTestNameTest test case verifies that
485 // when the user defines two tests with the same test case name AND
486 // same test name (but in different namespaces), the second test will
487 // fail.
488
489 namespace foo {
490
491 class MixedUpTestSuiteTest : public testing::Test {
492 };
493
TEST_F(MixedUpTestSuiteTest,FirstTestFromNamespaceFoo)494 TEST_F(MixedUpTestSuiteTest, FirstTestFromNamespaceFoo) {}
TEST_F(MixedUpTestSuiteTest,SecondTestFromNamespaceFoo)495 TEST_F(MixedUpTestSuiteTest, SecondTestFromNamespaceFoo) {}
496
497 class MixedUpTestSuiteWithSameTestNameTest : public testing::Test {
498 };
499
TEST_F(MixedUpTestSuiteWithSameTestNameTest,TheSecondTestWithThisNameShouldFail)500 TEST_F(MixedUpTestSuiteWithSameTestNameTest,
501 TheSecondTestWithThisNameShouldFail) {}
502
503 } // namespace foo
504
505 namespace bar {
506
507 class MixedUpTestSuiteTest : public testing::Test {
508 };
509
510 // The following two tests are expected to fail. We rely on the
511 // golden file to check that Google Test generates the right error message.
TEST_F(MixedUpTestSuiteTest,ThisShouldFail)512 TEST_F(MixedUpTestSuiteTest, ThisShouldFail) {}
TEST_F(MixedUpTestSuiteTest,ThisShouldFailToo)513 TEST_F(MixedUpTestSuiteTest, ThisShouldFailToo) {}
514
515 class MixedUpTestSuiteWithSameTestNameTest : public testing::Test {
516 };
517
518 // Expected to fail. We rely on the golden file to check that Google Test
519 // generates the right error message.
TEST_F(MixedUpTestSuiteWithSameTestNameTest,TheSecondTestWithThisNameShouldFail)520 TEST_F(MixedUpTestSuiteWithSameTestNameTest,
521 TheSecondTestWithThisNameShouldFail) {}
522
523 } // namespace bar
524
525 // The following two test cases verify that Google Test catches the user
526 // error of mixing TEST and TEST_F in the same test case. The first
527 // test case checks the scenario where TEST_F appears before TEST, and
528 // the second one checks where TEST appears before TEST_F.
529
530 class TEST_F_before_TEST_in_same_test_case : public testing::Test {
531 };
532
TEST_F(TEST_F_before_TEST_in_same_test_case,DefinedUsingTEST_F)533 TEST_F(TEST_F_before_TEST_in_same_test_case, DefinedUsingTEST_F) {}
534
535 // Expected to fail. We rely on the golden file to check that Google Test
536 // generates the right error message.
TEST(TEST_F_before_TEST_in_same_test_case,DefinedUsingTESTAndShouldFail)537 TEST(TEST_F_before_TEST_in_same_test_case, DefinedUsingTESTAndShouldFail) {}
538
539 class TEST_before_TEST_F_in_same_test_case : public testing::Test {
540 };
541
TEST(TEST_before_TEST_F_in_same_test_case,DefinedUsingTEST)542 TEST(TEST_before_TEST_F_in_same_test_case, DefinedUsingTEST) {}
543
544 // Expected to fail. We rely on the golden file to check that Google Test
545 // generates the right error message.
TEST_F(TEST_before_TEST_F_in_same_test_case,DefinedUsingTEST_FAndShouldFail)546 TEST_F(TEST_before_TEST_F_in_same_test_case, DefinedUsingTEST_FAndShouldFail) {
547 }
548
549 // Used for testing EXPECT_NONFATAL_FAILURE() and EXPECT_FATAL_FAILURE().
550 int global_integer = 0;
551
552 // Tests that EXPECT_NONFATAL_FAILURE() can reference global variables.
TEST(ExpectNonfatalFailureTest,CanReferenceGlobalVariables)553 TEST(ExpectNonfatalFailureTest, CanReferenceGlobalVariables) {
554 global_integer = 0;
555 EXPECT_NONFATAL_FAILURE({
556 EXPECT_EQ(1, global_integer) << "Expected non-fatal failure.";
557 }, "Expected non-fatal failure.");
558 }
559
560 // Tests that EXPECT_NONFATAL_FAILURE() can reference local variables
561 // (static or not).
TEST(ExpectNonfatalFailureTest,CanReferenceLocalVariables)562 TEST(ExpectNonfatalFailureTest, CanReferenceLocalVariables) {
563 int m = 0;
564 static int n;
565 n = 1;
566 EXPECT_NONFATAL_FAILURE({
567 EXPECT_EQ(m, n) << "Expected non-fatal failure.";
568 }, "Expected non-fatal failure.");
569 }
570
571 // Tests that EXPECT_NONFATAL_FAILURE() succeeds when there is exactly
572 // one non-fatal failure and no fatal failure.
TEST(ExpectNonfatalFailureTest,SucceedsWhenThereIsOneNonfatalFailure)573 TEST(ExpectNonfatalFailureTest, SucceedsWhenThereIsOneNonfatalFailure) {
574 EXPECT_NONFATAL_FAILURE({
575 ADD_FAILURE() << "Expected non-fatal failure.";
576 }, "Expected non-fatal failure.");
577 }
578
579 // Tests that EXPECT_NONFATAL_FAILURE() fails when there is no
580 // non-fatal failure.
TEST(ExpectNonfatalFailureTest,FailsWhenThereIsNoNonfatalFailure)581 TEST(ExpectNonfatalFailureTest, FailsWhenThereIsNoNonfatalFailure) {
582 printf("(expecting a failure)\n");
583 EXPECT_NONFATAL_FAILURE({
584 }, "");
585 }
586
587 // Tests that EXPECT_NONFATAL_FAILURE() fails when there are two
588 // non-fatal failures.
TEST(ExpectNonfatalFailureTest,FailsWhenThereAreTwoNonfatalFailures)589 TEST(ExpectNonfatalFailureTest, FailsWhenThereAreTwoNonfatalFailures) {
590 printf("(expecting a failure)\n");
591 EXPECT_NONFATAL_FAILURE({
592 ADD_FAILURE() << "Expected non-fatal failure 1.";
593 ADD_FAILURE() << "Expected non-fatal failure 2.";
594 }, "");
595 }
596
597 // Tests that EXPECT_NONFATAL_FAILURE() fails when there is one fatal
598 // failure.
TEST(ExpectNonfatalFailureTest,FailsWhenThereIsOneFatalFailure)599 TEST(ExpectNonfatalFailureTest, FailsWhenThereIsOneFatalFailure) {
600 printf("(expecting a failure)\n");
601 EXPECT_NONFATAL_FAILURE({
602 FAIL() << "Expected fatal failure.";
603 }, "");
604 }
605
606 // Tests that EXPECT_NONFATAL_FAILURE() fails when the statement being
607 // tested returns.
TEST(ExpectNonfatalFailureTest,FailsWhenStatementReturns)608 TEST(ExpectNonfatalFailureTest, FailsWhenStatementReturns) {
609 printf("(expecting a failure)\n");
610 EXPECT_NONFATAL_FAILURE({
611 return;
612 }, "");
613 }
614
615 #if GTEST_HAS_EXCEPTIONS
616
617 // Tests that EXPECT_NONFATAL_FAILURE() fails when the statement being
618 // tested throws.
TEST(ExpectNonfatalFailureTest,FailsWhenStatementThrows)619 TEST(ExpectNonfatalFailureTest, FailsWhenStatementThrows) {
620 printf("(expecting a failure)\n");
621 try {
622 EXPECT_NONFATAL_FAILURE({
623 throw 0;
624 }, "");
625 } catch(int) { // NOLINT
626 }
627 }
628
629 #endif // GTEST_HAS_EXCEPTIONS
630
631 // Tests that EXPECT_FATAL_FAILURE() can reference global variables.
TEST(ExpectFatalFailureTest,CanReferenceGlobalVariables)632 TEST(ExpectFatalFailureTest, CanReferenceGlobalVariables) {
633 global_integer = 0;
634 EXPECT_FATAL_FAILURE({
635 ASSERT_EQ(1, global_integer) << "Expected fatal failure.";
636 }, "Expected fatal failure.");
637 }
638
639 // Tests that EXPECT_FATAL_FAILURE() can reference local static
640 // variables.
TEST(ExpectFatalFailureTest,CanReferenceLocalStaticVariables)641 TEST(ExpectFatalFailureTest, CanReferenceLocalStaticVariables) {
642 static int n;
643 n = 1;
644 EXPECT_FATAL_FAILURE({
645 ASSERT_EQ(0, n) << "Expected fatal failure.";
646 }, "Expected fatal failure.");
647 }
648
649 // Tests that EXPECT_FATAL_FAILURE() succeeds when there is exactly
650 // one fatal failure and no non-fatal failure.
TEST(ExpectFatalFailureTest,SucceedsWhenThereIsOneFatalFailure)651 TEST(ExpectFatalFailureTest, SucceedsWhenThereIsOneFatalFailure) {
652 EXPECT_FATAL_FAILURE({
653 FAIL() << "Expected fatal failure.";
654 }, "Expected fatal failure.");
655 }
656
657 // Tests that EXPECT_FATAL_FAILURE() fails when there is no fatal
658 // failure.
TEST(ExpectFatalFailureTest,FailsWhenThereIsNoFatalFailure)659 TEST(ExpectFatalFailureTest, FailsWhenThereIsNoFatalFailure) {
660 printf("(expecting a failure)\n");
661 EXPECT_FATAL_FAILURE({
662 }, "");
663 }
664
665 // A helper for generating a fatal failure.
FatalFailure()666 void FatalFailure() {
667 FAIL() << "Expected fatal failure.";
668 }
669
670 // Tests that EXPECT_FATAL_FAILURE() fails when there are two
671 // fatal failures.
TEST(ExpectFatalFailureTest,FailsWhenThereAreTwoFatalFailures)672 TEST(ExpectFatalFailureTest, FailsWhenThereAreTwoFatalFailures) {
673 printf("(expecting a failure)\n");
674 EXPECT_FATAL_FAILURE({
675 FatalFailure();
676 FatalFailure();
677 }, "");
678 }
679
680 // Tests that EXPECT_FATAL_FAILURE() fails when there is one non-fatal
681 // failure.
TEST(ExpectFatalFailureTest,FailsWhenThereIsOneNonfatalFailure)682 TEST(ExpectFatalFailureTest, FailsWhenThereIsOneNonfatalFailure) {
683 printf("(expecting a failure)\n");
684 EXPECT_FATAL_FAILURE({
685 ADD_FAILURE() << "Expected non-fatal failure.";
686 }, "");
687 }
688
689 // Tests that EXPECT_FATAL_FAILURE() fails when the statement being
690 // tested returns.
TEST(ExpectFatalFailureTest,FailsWhenStatementReturns)691 TEST(ExpectFatalFailureTest, FailsWhenStatementReturns) {
692 printf("(expecting a failure)\n");
693 EXPECT_FATAL_FAILURE({
694 return;
695 }, "");
696 }
697
698 #if GTEST_HAS_EXCEPTIONS
699
700 // Tests that EXPECT_FATAL_FAILURE() fails when the statement being
701 // tested throws.
TEST(ExpectFatalFailureTest,FailsWhenStatementThrows)702 TEST(ExpectFatalFailureTest, FailsWhenStatementThrows) {
703 printf("(expecting a failure)\n");
704 try {
705 EXPECT_FATAL_FAILURE({
706 throw 0;
707 }, "");
708 } catch(int) { // NOLINT
709 }
710 }
711
712 #endif // GTEST_HAS_EXCEPTIONS
713
714 // This #ifdef block tests the output of value-parameterized tests.
715
ParamNameFunc(const testing::TestParamInfo<std::string> & info)716 std::string ParamNameFunc(const testing::TestParamInfo<std::string>& info) {
717 return info.param;
718 }
719
720 class ParamTest : public testing::TestWithParam<std::string> {
721 };
722
TEST_P(ParamTest,Success)723 TEST_P(ParamTest, Success) {
724 EXPECT_EQ("a", GetParam());
725 }
726
TEST_P(ParamTest,Failure)727 TEST_P(ParamTest, Failure) {
728 EXPECT_EQ("b", GetParam()) << "Expected failure";
729 }
730
731 INSTANTIATE_TEST_SUITE_P(PrintingStrings,
732 ParamTest,
733 testing::Values(std::string("a")),
734 ParamNameFunc);
735
736 // The case where a suite has INSTANTIATE_TEST_SUITE_P but not TEST_P.
737 using NoTests = ParamTest;
738 INSTANTIATE_TEST_SUITE_P(ThisIsOdd, NoTests, ::testing::Values("Hello"));
739
740 // fails under kErrorOnUninstantiatedParameterizedTest=true
741 class DetectNotInstantiatedTest : public testing::TestWithParam<int> {};
TEST_P(DetectNotInstantiatedTest,Used)742 TEST_P(DetectNotInstantiatedTest, Used) { }
743
744 // This would make the test failure from the above go away.
745 // INSTANTIATE_TEST_SUITE_P(Fix, DetectNotInstantiatedTest, testing::Values(1));
746
747 template <typename T>
748 class TypedTest : public testing::Test {
749 };
750
751 TYPED_TEST_SUITE(TypedTest, testing::Types<int>);
752
TYPED_TEST(TypedTest,Success)753 TYPED_TEST(TypedTest, Success) {
754 EXPECT_EQ(0, TypeParam());
755 }
756
TYPED_TEST(TypedTest,Failure)757 TYPED_TEST(TypedTest, Failure) {
758 EXPECT_EQ(1, TypeParam()) << "Expected failure";
759 }
760
761 typedef testing::Types<char, int> TypesForTestWithNames;
762
763 template <typename T>
764 class TypedTestWithNames : public testing::Test {};
765
766 class TypedTestNames {
767 public:
768 template <typename T>
GetName(int i)769 static std::string GetName(int i) {
770 if (std::is_same<T, char>::value)
771 return std::string("char") + ::testing::PrintToString(i);
772 if (std::is_same<T, int>::value)
773 return std::string("int") + ::testing::PrintToString(i);
774 }
775 };
776
777 TYPED_TEST_SUITE(TypedTestWithNames, TypesForTestWithNames, TypedTestNames);
778
TYPED_TEST(TypedTestWithNames,Success)779 TYPED_TEST(TypedTestWithNames, Success) {}
780
TYPED_TEST(TypedTestWithNames,Failure)781 TYPED_TEST(TypedTestWithNames, Failure) { FAIL(); }
782
783 template <typename T>
784 class TypedTestP : public testing::Test {
785 };
786
787 TYPED_TEST_SUITE_P(TypedTestP);
788
TYPED_TEST_P(TypedTestP,Success)789 TYPED_TEST_P(TypedTestP, Success) {
790 EXPECT_EQ(0U, TypeParam());
791 }
792
TYPED_TEST_P(TypedTestP,Failure)793 TYPED_TEST_P(TypedTestP, Failure) {
794 EXPECT_EQ(1U, TypeParam()) << "Expected failure";
795 }
796
797 REGISTER_TYPED_TEST_SUITE_P(TypedTestP, Success, Failure);
798
799 typedef testing::Types<unsigned char, unsigned int> UnsignedTypes;
800 INSTANTIATE_TYPED_TEST_SUITE_P(Unsigned, TypedTestP, UnsignedTypes);
801
802 class TypedTestPNames {
803 public:
804 template <typename T>
GetName(int i)805 static std::string GetName(int i) {
806 if (std::is_same<T, unsigned char>::value) {
807 return std::string("unsignedChar") + ::testing::PrintToString(i);
808 }
809 if (std::is_same<T, unsigned int>::value) {
810 return std::string("unsignedInt") + ::testing::PrintToString(i);
811 }
812 }
813 };
814
815 INSTANTIATE_TYPED_TEST_SUITE_P(UnsignedCustomName, TypedTestP, UnsignedTypes,
816 TypedTestPNames);
817
818 template <typename T>
819 class DetectNotInstantiatedTypesTest : public testing::Test {};
820 TYPED_TEST_SUITE_P(DetectNotInstantiatedTypesTest);
TYPED_TEST_P(DetectNotInstantiatedTypesTest,Used)821 TYPED_TEST_P(DetectNotInstantiatedTypesTest, Used) {
822 TypeParam instantiate;
823 (void)instantiate;
824 }
825 REGISTER_TYPED_TEST_SUITE_P(DetectNotInstantiatedTypesTest, Used);
826
827 // kErrorOnUninstantiatedTypeParameterizedTest=true would make the above fail.
828 // Adding the following would make that test failure go away.
829 //
830 // typedef ::testing::Types<char, int, unsigned int> MyTypes;
831 // INSTANTIATE_TYPED_TEST_SUITE_P(All, DetectNotInstantiatedTypesTest, MyTypes);
832
833 #if GTEST_HAS_DEATH_TEST
834
835 // We rely on the golden file to verify that tests whose test case
836 // name ends with DeathTest are run first.
837
TEST(ADeathTest,ShouldRunFirst)838 TEST(ADeathTest, ShouldRunFirst) {
839 }
840
841 // We rely on the golden file to verify that typed tests whose test
842 // case name ends with DeathTest are run first.
843
844 template <typename T>
845 class ATypedDeathTest : public testing::Test {
846 };
847
848 typedef testing::Types<int, double> NumericTypes;
849 TYPED_TEST_SUITE(ATypedDeathTest, NumericTypes);
850
TYPED_TEST(ATypedDeathTest,ShouldRunFirst)851 TYPED_TEST(ATypedDeathTest, ShouldRunFirst) {
852 }
853
854
855 // We rely on the golden file to verify that type-parameterized tests
856 // whose test case name ends with DeathTest are run first.
857
858 template <typename T>
859 class ATypeParamDeathTest : public testing::Test {
860 };
861
862 TYPED_TEST_SUITE_P(ATypeParamDeathTest);
863
TYPED_TEST_P(ATypeParamDeathTest,ShouldRunFirst)864 TYPED_TEST_P(ATypeParamDeathTest, ShouldRunFirst) {
865 }
866
867 REGISTER_TYPED_TEST_SUITE_P(ATypeParamDeathTest, ShouldRunFirst);
868
869 INSTANTIATE_TYPED_TEST_SUITE_P(My, ATypeParamDeathTest, NumericTypes);
870
871 #endif // GTEST_HAS_DEATH_TEST
872
873 // Tests various failure conditions of
874 // EXPECT_{,NON}FATAL_FAILURE{,_ON_ALL_THREADS}.
875 class ExpectFailureTest : public testing::Test {
876 public: // Must be public and not protected due to a bug in g++ 3.4.2.
877 enum FailureMode {
878 FATAL_FAILURE,
879 NONFATAL_FAILURE
880 };
AddFailure(FailureMode failure)881 static void AddFailure(FailureMode failure) {
882 if (failure == FATAL_FAILURE) {
883 FAIL() << "Expected fatal failure.";
884 } else {
885 ADD_FAILURE() << "Expected non-fatal failure.";
886 }
887 }
888 };
889
TEST_F(ExpectFailureTest,ExpectFatalFailure)890 TEST_F(ExpectFailureTest, ExpectFatalFailure) {
891 // Expected fatal failure, but succeeds.
892 printf("(expecting 1 failure)\n");
893 EXPECT_FATAL_FAILURE(SUCCEED(), "Expected fatal failure.");
894 // Expected fatal failure, but got a non-fatal failure.
895 printf("(expecting 1 failure)\n");
896 EXPECT_FATAL_FAILURE(AddFailure(NONFATAL_FAILURE), "Expected non-fatal "
897 "failure.");
898 // Wrong message.
899 printf("(expecting 1 failure)\n");
900 EXPECT_FATAL_FAILURE(AddFailure(FATAL_FAILURE), "Some other fatal failure "
901 "expected.");
902 }
903
TEST_F(ExpectFailureTest,ExpectNonFatalFailure)904 TEST_F(ExpectFailureTest, ExpectNonFatalFailure) {
905 // Expected non-fatal failure, but succeeds.
906 printf("(expecting 1 failure)\n");
907 EXPECT_NONFATAL_FAILURE(SUCCEED(), "Expected non-fatal failure.");
908 // Expected non-fatal failure, but got a fatal failure.
909 printf("(expecting 1 failure)\n");
910 EXPECT_NONFATAL_FAILURE(AddFailure(FATAL_FAILURE), "Expected fatal failure.");
911 // Wrong message.
912 printf("(expecting 1 failure)\n");
913 EXPECT_NONFATAL_FAILURE(AddFailure(NONFATAL_FAILURE), "Some other non-fatal "
914 "failure.");
915 }
916
917 #if GTEST_IS_THREADSAFE
918
919 class ExpectFailureWithThreadsTest : public ExpectFailureTest {
920 protected:
AddFailureInOtherThread(FailureMode failure)921 static void AddFailureInOtherThread(FailureMode failure) {
922 ThreadWithParam<FailureMode> thread(&AddFailure, failure, nullptr);
923 thread.Join();
924 }
925 };
926
TEST_F(ExpectFailureWithThreadsTest,ExpectFatalFailure)927 TEST_F(ExpectFailureWithThreadsTest, ExpectFatalFailure) {
928 // We only intercept the current thread.
929 printf("(expecting 2 failures)\n");
930 EXPECT_FATAL_FAILURE(AddFailureInOtherThread(FATAL_FAILURE),
931 "Expected fatal failure.");
932 }
933
TEST_F(ExpectFailureWithThreadsTest,ExpectNonFatalFailure)934 TEST_F(ExpectFailureWithThreadsTest, ExpectNonFatalFailure) {
935 // We only intercept the current thread.
936 printf("(expecting 2 failures)\n");
937 EXPECT_NONFATAL_FAILURE(AddFailureInOtherThread(NONFATAL_FAILURE),
938 "Expected non-fatal failure.");
939 }
940
941 typedef ExpectFailureWithThreadsTest ScopedFakeTestPartResultReporterTest;
942
943 // Tests that the ScopedFakeTestPartResultReporter only catches failures from
944 // the current thread if it is instantiated with INTERCEPT_ONLY_CURRENT_THREAD.
TEST_F(ScopedFakeTestPartResultReporterTest,InterceptOnlyCurrentThread)945 TEST_F(ScopedFakeTestPartResultReporterTest, InterceptOnlyCurrentThread) {
946 printf("(expecting 2 failures)\n");
947 TestPartResultArray results;
948 {
949 ScopedFakeTestPartResultReporter reporter(
950 ScopedFakeTestPartResultReporter::INTERCEPT_ONLY_CURRENT_THREAD,
951 &results);
952 AddFailureInOtherThread(FATAL_FAILURE);
953 AddFailureInOtherThread(NONFATAL_FAILURE);
954 }
955 // The two failures should not have been intercepted.
956 EXPECT_EQ(0, results.size()) << "This shouldn't fail.";
957 }
958
959 #endif // GTEST_IS_THREADSAFE
960
TEST_F(ExpectFailureTest,ExpectFatalFailureOnAllThreads)961 TEST_F(ExpectFailureTest, ExpectFatalFailureOnAllThreads) {
962 // Expected fatal failure, but succeeds.
963 printf("(expecting 1 failure)\n");
964 EXPECT_FATAL_FAILURE_ON_ALL_THREADS(SUCCEED(), "Expected fatal failure.");
965 // Expected fatal failure, but got a non-fatal failure.
966 printf("(expecting 1 failure)\n");
967 EXPECT_FATAL_FAILURE_ON_ALL_THREADS(AddFailure(NONFATAL_FAILURE),
968 "Expected non-fatal failure.");
969 // Wrong message.
970 printf("(expecting 1 failure)\n");
971 EXPECT_FATAL_FAILURE_ON_ALL_THREADS(AddFailure(FATAL_FAILURE),
972 "Some other fatal failure expected.");
973 }
974
TEST_F(ExpectFailureTest,ExpectNonFatalFailureOnAllThreads)975 TEST_F(ExpectFailureTest, ExpectNonFatalFailureOnAllThreads) {
976 // Expected non-fatal failure, but succeeds.
977 printf("(expecting 1 failure)\n");
978 EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(SUCCEED(), "Expected non-fatal "
979 "failure.");
980 // Expected non-fatal failure, but got a fatal failure.
981 printf("(expecting 1 failure)\n");
982 EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(AddFailure(FATAL_FAILURE),
983 "Expected fatal failure.");
984 // Wrong message.
985 printf("(expecting 1 failure)\n");
986 EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(AddFailure(NONFATAL_FAILURE),
987 "Some other non-fatal failure.");
988 }
989
990 class DynamicFixture : public testing::Test {
991 protected:
DynamicFixture()992 DynamicFixture() { printf("DynamicFixture()\n"); }
~DynamicFixture()993 ~DynamicFixture() override { printf("~DynamicFixture()\n"); }
SetUp()994 void SetUp() override { printf("DynamicFixture::SetUp\n"); }
TearDown()995 void TearDown() override { printf("DynamicFixture::TearDown\n"); }
996
SetUpTestSuite()997 static void SetUpTestSuite() { printf("DynamicFixture::SetUpTestSuite\n"); }
TearDownTestSuite()998 static void TearDownTestSuite() {
999 printf("DynamicFixture::TearDownTestSuite\n");
1000 }
1001 };
1002
1003 template <bool Pass>
1004 class DynamicTest : public DynamicFixture {
1005 public:
TestBody()1006 void TestBody() override { EXPECT_TRUE(Pass); }
1007 };
1008
1009 auto dynamic_test = (
1010 // Register two tests with the same fixture correctly.
1011 testing::RegisterTest(
1012 "DynamicFixture", "DynamicTestPass", nullptr, nullptr, __FILE__,
__anon7f06ac1a0102() 1013 __LINE__, []() -> DynamicFixture* { return new DynamicTest<true>; }),
1014 testing::RegisterTest(
1015 "DynamicFixture", "DynamicTestFail", nullptr, nullptr, __FILE__,
__anon7f06ac1a0202() 1016 __LINE__, []() -> DynamicFixture* { return new DynamicTest<false>; }),
1017
1018 // Register the same fixture with another name. That's fine.
1019 testing::RegisterTest(
1020 "DynamicFixtureAnotherName", "DynamicTestPass", nullptr, nullptr,
1021 __FILE__, __LINE__,
__anon7f06ac1a0302() 1022 []() -> DynamicFixture* { return new DynamicTest<true>; }),
1023
1024 // Register two tests with the same fixture incorrectly.
1025 testing::RegisterTest(
1026 "BadDynamicFixture1", "FixtureBase", nullptr, nullptr, __FILE__,
__anon7f06ac1a0402() 1027 __LINE__, []() -> DynamicFixture* { return new DynamicTest<true>; }),
1028 testing::RegisterTest(
1029 "BadDynamicFixture1", "TestBase", nullptr, nullptr, __FILE__, __LINE__,
__anon7f06ac1a0502() 1030 []() -> testing::Test* { return new DynamicTest<true>; }),
1031
1032 // Register two tests with the same fixture incorrectly by omitting the
1033 // return type.
1034 testing::RegisterTest(
1035 "BadDynamicFixture2", "FixtureBase", nullptr, nullptr, __FILE__,
__anon7f06ac1a0602() 1036 __LINE__, []() -> DynamicFixture* { return new DynamicTest<true>; }),
1037 testing::RegisterTest("BadDynamicFixture2", "Derived", nullptr, nullptr,
1038 __FILE__, __LINE__,
__anon7f06ac1a0702() 1039 []() { return new DynamicTest<true>; }));
1040
1041 // Two test environments for testing testing::AddGlobalTestEnvironment().
1042
1043 class FooEnvironment : public testing::Environment {
1044 public:
SetUp()1045 void SetUp() override { printf("%s", "FooEnvironment::SetUp() called.\n"); }
1046
TearDown()1047 void TearDown() override {
1048 printf("%s", "FooEnvironment::TearDown() called.\n");
1049 FAIL() << "Expected fatal failure.";
1050 }
1051 };
1052
1053 class BarEnvironment : public testing::Environment {
1054 public:
SetUp()1055 void SetUp() override { printf("%s", "BarEnvironment::SetUp() called.\n"); }
1056
TearDown()1057 void TearDown() override {
1058 printf("%s", "BarEnvironment::TearDown() called.\n");
1059 ADD_FAILURE() << "Expected non-fatal failure.";
1060 }
1061 };
1062
1063 class TestSuiteThatFailsToSetUp : public testing::Test {
1064 public:
SetUpTestSuite()1065 static void SetUpTestSuite() { EXPECT_TRUE(false); }
1066 };
TEST_F(TestSuiteThatFailsToSetUp,ShouldNotRun)1067 TEST_F(TestSuiteThatFailsToSetUp, ShouldNotRun) {
1068 std::abort();
1069 }
1070
1071 // The main function.
1072 //
1073 // The idea is to use Google Test to run all the tests we have defined (some
1074 // of them are intended to fail), and then compare the test results
1075 // with the "golden" file.
main(int argc,char ** argv)1076 int main(int argc, char **argv) {
1077 GTEST_FLAG_SET(print_time, false);
1078
1079 // We just run the tests, knowing some of them are intended to fail.
1080 // We will use a separate Python script to compare the output of
1081 // this program with the golden file.
1082
1083 // It's hard to test InitGoogleTest() directly, as it has many
1084 // global side effects. The following line serves as a sanity test
1085 // for it.
1086 testing::InitGoogleTest(&argc, argv);
1087 bool internal_skip_environment_and_ad_hoc_tests =
1088 std::count(argv, argv + argc,
1089 std::string("internal_skip_environment_and_ad_hoc_tests")) > 0;
1090
1091 #if GTEST_HAS_DEATH_TEST
1092 if (GTEST_FLAG_GET(internal_run_death_test) != "") {
1093 // Skip the usual output capturing if we're running as the child
1094 // process of an threadsafe-style death test.
1095 # if GTEST_OS_WINDOWS
1096 posix::FReopen("nul:", "w", stdout);
1097 # else
1098 posix::FReopen("/dev/null", "w", stdout);
1099 # endif // GTEST_OS_WINDOWS
1100 return RUN_ALL_TESTS();
1101 }
1102 #endif // GTEST_HAS_DEATH_TEST
1103
1104 if (internal_skip_environment_and_ad_hoc_tests)
1105 return RUN_ALL_TESTS();
1106
1107 // Registers two global test environments.
1108 // The golden file verifies that they are set up in the order they
1109 // are registered, and torn down in the reverse order.
1110 testing::AddGlobalTestEnvironment(new FooEnvironment);
1111 testing::AddGlobalTestEnvironment(new BarEnvironment);
1112 #if _MSC_VER
1113 GTEST_DISABLE_MSC_WARNINGS_POP_() // 4127
1114 #endif // _MSC_VER
1115 return RunAllTests();
1116 }
1117