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
callboost::fusion::extension::begin_impl::apply32 // gtest_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 // Author: wan@google.com (Zhanyong Wan)
37
38 #include "gtest/gtest-spi.h"
39 #include "gtest/gtest.h"
40
41 // Indicates that this translation unit is part of Google Test's
42 // implementation. It must come before gtest-internal-inl.h is
43 // included, or there will be a compiler error. This trick is to
44 // prevent a user from accidentally including gtest-internal-inl.h in
45 // his code.
46 #define GTEST_IMPLEMENTATION_ 1
47 #include "src/gtest-internal-inl.h"
48 #undef GTEST_IMPLEMENTATION_
49
50 #include <stdlib.h>
51
52 #if GTEST_IS_THREADSAFE
53 using testing::ScopedFakeTestPartResultReporter;
54 using testing::TestPartResultArray;
55
56 using testing::internal::Notification;
57 using testing::internal::ThreadWithParam;
58 #endif
59
60 namespace posix = ::testing::internal::posix;
61 using testing::internal::String;
62 using testing::internal::scoped_ptr;
63
64 // Tests catching fatal failures.
65
66 // A subroutine used by the following test.
67 void TestEq1(int x) {
68 ASSERT_EQ(1, x);
69 }
70
71 // This function calls a test subroutine, catches the fatal failure it
72 // generates, and then returns early.
73 void TryTestSubroutine() {
74 // Calls a subrountine that yields a fatal failure.
75 TestEq1(2);
76
77 // Catches the fatal failure and aborts the test.
78 //
79 // The testing::Test:: prefix is necessary when calling
80 // HasFatalFailure() outside of a TEST, TEST_F, or test fixture.
81 if (testing::Test::HasFatalFailure()) return;
82
83 // If we get here, something is wrong.
84 FAIL() << "This should never be reached.";
85 }
86
87 TEST(PassingTest, PassingTest1) {
88 }
89
90 TEST(PassingTest, PassingTest2) {
91 }
92
93 // Tests that parameters of failing parameterized tests are printed in the
94 // failing test summary.
95 class FailingParamTest : public testing::TestWithParam<int> {};
96
97 TEST_P(FailingParamTest, Fails) {
98 EXPECT_EQ(1, GetParam());
99 }
100
101 // This generates a test which will fail. Google Test is expected to print
102 // its parameter when it outputs the list of all failed tests.
103 INSTANTIATE_TEST_CASE_P(PrintingFailingParams,
104 FailingParamTest,
105 testing::Values(2));
106
107 static const char kGoldenString[] = "\"Line\0 1\"\nLine 2";
108
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
117 // Tests catching a fatal failure in a subroutine.
118 TEST(FatalFailureTest, FatalFailureInSubroutine) {
119 printf("(expecting a failure that x should be 1)\n");
120
121 TryTestSubroutine();
122 }
123
124 // Tests catching a fatal failure in a nested subroutine.
125 TEST(FatalFailureTest, FatalFailureInNestedSubroutine) {
126 printf("(expecting a failure that x should be 1)\n");
127
128 // Calls a subrountine that yields a fatal failure.
129 TryTestSubroutine();
130
131 // Catches the fatal failure and aborts the test.
132 //
133 // When calling HasFatalFailure() inside a TEST, TEST_F, or test
134 // fixture, the testing::Test:: prefix is not needed.
135 if (HasFatalFailure()) return;
136
137 // If we get here, something is wrong.
138 FAIL() << "This should never be reached.";
139 }
140
141 // Tests HasFatalFailure() after a failed EXPECT check.
142 TEST(FatalFailureTest, NonfatalFailureInSubroutine) {
143 printf("(expecting a failure on false)\n");
144 EXPECT_TRUE(false); // Generates a nonfatal failure
145 ASSERT_FALSE(HasFatalFailure()); // This should succeed.
146 }
147
148 // Tests interleaving user logging and Google Test assertions.
149 TEST(LoggingTest, InterleavingLoggingAndAssertions) {
150 static const int a[4] = {
151 3, 9, 2, 6
152 };
153
154 printf("(expecting 2 failures on (3) >= (a[i]))\n");
155 for (int i = 0; i < static_cast<int>(sizeof(a)/sizeof(*a)); i++) {
156 printf("i == %d\n", i);
157 EXPECT_GE(3, a[i]);
158 }
159 }
160
161 // Tests the SCOPED_TRACE macro.
162
163 // A helper function for testing SCOPED_TRACE.
164 void SubWithoutTrace(int n) {
165 EXPECT_EQ(1, n);
166 ASSERT_EQ(2, n);
167 }
168
169 // Another helper function for testing SCOPED_TRACE.
170 void SubWithTrace(int n) {
171 SCOPED_TRACE(testing::Message() << "n = " << n);
172
173 SubWithoutTrace(n);
174 }
175
176 // Tests that SCOPED_TRACE() obeys lexical scopes.
177 TEST(SCOPED_TRACETest, ObeysScopes) {
178 printf("(expected to fail)\n");
179
180 // There should be no trace before SCOPED_TRACE() is invoked.
181 ADD_FAILURE() << "This failure is expected, and shouldn't have a trace.";
182
183 {
184 SCOPED_TRACE("Expected trace");
185 // After SCOPED_TRACE(), a failure in the current scope should contain
186 // the trace.
187 ADD_FAILURE() << "This failure is expected, and should have a trace.";
188 }
189
190 // Once the control leaves the scope of the SCOPED_TRACE(), there
191 // should be no trace again.
192 ADD_FAILURE() << "This failure is expected, and shouldn't have a trace.";
193 }
194
195 // Tests that SCOPED_TRACE works inside a loop.
196 TEST(SCOPED_TRACETest, WorksInLoop) {
197 printf("(expected to fail)\n");
198
199 for (int i = 1; i <= 2; i++) {
200 SCOPED_TRACE(testing::Message() << "i = " << i);
201
202 SubWithoutTrace(i);
203 }
204 }
205
206 // Tests that SCOPED_TRACE works in a subroutine.
207 TEST(SCOPED_TRACETest, WorksInSubroutine) {
208 printf("(expected to fail)\n");
209
210 SubWithTrace(1);
211 SubWithTrace(2);
212 }
213
214 // Tests that SCOPED_TRACE can be nested.
215 TEST(SCOPED_TRACETest, CanBeNested) {
216 printf("(expected to fail)\n");
217
218 SCOPED_TRACE(""); // A trace without a message.
219
220 SubWithTrace(2);
221 }
222
223 // Tests that multiple SCOPED_TRACEs can be used in the same scope.
224 TEST(SCOPED_TRACETest, CanBeRepeated) {
225 printf("(expected to fail)\n");
226
227 SCOPED_TRACE("A");
228 ADD_FAILURE()
229 << "This failure is expected, and should contain trace point A.";
230
231 SCOPED_TRACE("B");
232 ADD_FAILURE()
233 << "This failure is expected, and should contain trace point A and B.";
234
235 {
236 SCOPED_TRACE("C");
237 ADD_FAILURE() << "This failure is expected, and should "
238 << "contain trace point A, B, and C.";
239 }
240
241 SCOPED_TRACE("D");
242 ADD_FAILURE() << "This failure is expected, and should "
243 << "contain trace point A, B, and D.";
244 }
245
246 #if GTEST_IS_THREADSAFE
247 // Tests that SCOPED_TRACE()s can be used concurrently from multiple
248 // threads. Namely, an assertion should be affected by
249 // SCOPED_TRACE()s in its own thread only.
250
251 // Here's the sequence of actions that happen in the test:
252 //
253 // Thread A (main) | Thread B (spawned)
254 // ===============================|================================
255 // spawns thread B |
256 // -------------------------------+--------------------------------
257 // waits for n1 | SCOPED_TRACE("Trace B");
258 // | generates failure #1
259 // | notifies n1
260 // -------------------------------+--------------------------------
261 // SCOPED_TRACE("Trace A"); | waits for n2
262 // generates failure #2 |
263 // notifies n2 |
264 // -------------------------------|--------------------------------
265 // waits for n3 | generates failure #3
266 // | trace B dies
267 // | generates failure #4
268 // | notifies n3
269 // -------------------------------|--------------------------------
270 // generates failure #5 | finishes
271 // trace A dies |
272 // generates failure #6 |
273 // -------------------------------|--------------------------------
274 // waits for thread B to finish |
275
276 struct CheckPoints {
277 Notification n1;
278 Notification n2;
279 Notification n3;
280 };
281
282 static void ThreadWithScopedTrace(CheckPoints* check_points) {
283 {
284 SCOPED_TRACE("Trace B");
285 ADD_FAILURE()
286 << "Expected failure #1 (in thread B, only trace B alive).";
287 check_points->n1.Notify();
288 check_points->n2.WaitForNotification();
289
290 ADD_FAILURE()
291 << "Expected failure #3 (in thread B, trace A & B both alive).";
292 } // Trace B dies here.
293 ADD_FAILURE()
294 << "Expected failure #4 (in thread B, only trace A alive).";
295 check_points->n3.Notify();
296 }
297
298 TEST(SCOPED_TRACETest, WorksConcurrently) {
299 printf("(expecting 6 failures)\n");
300
301 CheckPoints check_points;
302 ThreadWithParam<CheckPoints*> thread(&ThreadWithScopedTrace,
303 &check_points,
304 NULL);
305 check_points.n1.WaitForNotification();
306
307 {
308 SCOPED_TRACE("Trace A");
309 ADD_FAILURE()
310 << "Expected failure #2 (in thread A, trace A & B both alive).";
311 check_points.n2.Notify();
312 check_points.n3.WaitForNotification();
313
314 ADD_FAILURE()
315 << "Expected failure #5 (in thread A, only trace A alive).";
316 } // Trace A dies here.
317 ADD_FAILURE()
318 << "Expected failure #6 (in thread A, no trace alive).";
319 thread.Join();
320 }
321 #endif // GTEST_IS_THREADSAFE
322
323 TEST(DisabledTestsWarningTest,
324 DISABLED_AlsoRunDisabledTestsFlagSuppressesWarning) {
325 // This test body is intentionally empty. Its sole purpose is for
326 // verifying that the --gtest_also_run_disabled_tests flag
327 // suppresses the "YOU HAVE 12 DISABLED TESTS" warning at the end of
328 // the test output.
329 }
330
331 // Tests using assertions outside of TEST and TEST_F.
332 //
333 // This function creates two failures intentionally.
334 void AdHocTest() {
335 printf("The non-test part of the code is expected to have 2 failures.\n\n");
336 EXPECT_TRUE(false);
337 EXPECT_EQ(2, 3);
338 }
339
340 // Runs all TESTs, all TEST_Fs, and the ad hoc test.
341 int RunAllTests() {
342 AdHocTest();
343 return RUN_ALL_TESTS();
344 }
345
346 // Tests non-fatal failures in the fixture constructor.
347 class NonFatalFailureInFixtureConstructorTest : public testing::Test {
348 protected:
349 NonFatalFailureInFixtureConstructorTest() {
350 printf("(expecting 5 failures)\n");
351 ADD_FAILURE() << "Expected failure #1, in the test fixture c'tor.";
352 }
353
354 ~NonFatalFailureInFixtureConstructorTest() {
355 ADD_FAILURE() << "Expected failure #5, in the test fixture d'tor.";
356 }
357
358 virtual void SetUp() {
359 ADD_FAILURE() << "Expected failure #2, in SetUp().";
360 }
361
362 virtual void TearDown() {
363 ADD_FAILURE() << "Expected failure #4, in TearDown.";
364 }
365 };
366
367 TEST_F(NonFatalFailureInFixtureConstructorTest, FailureInConstructor) {
368 ADD_FAILURE() << "Expected failure #3, in the test body.";
369 }
370
371 // Tests fatal failures in the fixture constructor.
372 class FatalFailureInFixtureConstructorTest : public testing::Test {
373 protected:
374 FatalFailureInFixtureConstructorTest() {
375 printf("(expecting 2 failures)\n");
376 Init();
377 }
378
379 ~FatalFailureInFixtureConstructorTest() {
380 ADD_FAILURE() << "Expected failure #2, in the test fixture d'tor.";
381 }
382
383 virtual void SetUp() {
384 ADD_FAILURE() << "UNEXPECTED failure in SetUp(). "
385 << "We should never get here, as the test fixture c'tor "
386 << "had a fatal failure.";
387 }
388
389 virtual void TearDown() {
390 ADD_FAILURE() << "UNEXPECTED failure in TearDown(). "
391 << "We should never get here, as the test fixture c'tor "
392 << "had a fatal failure.";
393 }
394
395 private:
396 void Init() {
397 FAIL() << "Expected failure #1, in the test fixture c'tor.";
398 }
399 };
400
401 TEST_F(FatalFailureInFixtureConstructorTest, FailureInConstructor) {
402 ADD_FAILURE() << "UNEXPECTED failure in the test body. "
403 << "We should never get here, as the test fixture c'tor "
404 << "had a fatal failure.";
405 }
406
407 // Tests non-fatal failures in SetUp().
408 class NonFatalFailureInSetUpTest : public testing::Test {
409 protected:
410 virtual ~NonFatalFailureInSetUpTest() {
411 Deinit();
412 }
413
414 virtual void SetUp() {
415 printf("(expecting 4 failures)\n");
416 ADD_FAILURE() << "Expected failure #1, in SetUp().";
417 }
418
419 virtual void TearDown() {
420 FAIL() << "Expected failure #3, in TearDown().";
421 }
422 private:
423 void Deinit() {
424 FAIL() << "Expected failure #4, in the test fixture d'tor.";
425 }
426 };
427
428 TEST_F(NonFatalFailureInSetUpTest, FailureInSetUp) {
429 FAIL() << "Expected failure #2, in the test function.";
430 }
431
432 // Tests fatal failures in SetUp().
433 class FatalFailureInSetUpTest : public testing::Test {
434 protected:
435 virtual ~FatalFailureInSetUpTest() {
436 Deinit();
437 }
438
439 virtual void SetUp() {
440 printf("(expecting 3 failures)\n");
441 FAIL() << "Expected failure #1, in SetUp().";
442 }
443
444 virtual void TearDown() {
445 FAIL() << "Expected failure #2, in TearDown().";
446 }
447 private:
448 void Deinit() {
449 FAIL() << "Expected failure #3, in the test fixture d'tor.";
450 }
451 };
452
453 TEST_F(FatalFailureInSetUpTest, FailureInSetUp) {
454 FAIL() << "UNEXPECTED failure in the test function. "
455 << "We should never get here, as SetUp() failed.";
456 }
457
458 TEST(AddFailureAtTest, MessageContainsSpecifiedFileAndLineNumber) {
459 ADD_FAILURE_AT("foo.cc", 42) << "Expected failure in foo.cc";
460 }
461
462 #if GTEST_IS_THREADSAFE
463
464 // A unary function that may die.
465 void DieIf(bool should_die) {
466 GTEST_CHECK_(!should_die) << " - death inside DieIf().";
467 }
468
469 // Tests running death tests in a multi-threaded context.
470
471 // Used for coordination between the main and the spawn thread.
472 struct SpawnThreadNotifications {
473 SpawnThreadNotifications() {}
474
475 Notification spawn_thread_started;
476 Notification spawn_thread_ok_to_terminate;
477
478 private:
479 GTEST_DISALLOW_COPY_AND_ASSIGN_(SpawnThreadNotifications);
480 };
481
482 // The function to be executed in the thread spawn by the
483 // MultipleThreads test (below).
484 static void ThreadRoutine(SpawnThreadNotifications* notifications) {
485 // Signals the main thread that this thread has started.
486 notifications->spawn_thread_started.Notify();
487
488 // Waits for permission to finish from the main thread.
489 notifications->spawn_thread_ok_to_terminate.WaitForNotification();
490 }
491
492 // This is a death-test test, but it's not named with a DeathTest
493 // suffix. It starts threads which might interfere with later
494 // death tests, so it must run after all other death tests.
495 class DeathTestAndMultiThreadsTest : public testing::Test {
496 protected:
497 // Starts a thread and waits for it to begin.
498 virtual void SetUp() {
499 thread_.reset(new ThreadWithParam<SpawnThreadNotifications*>(
500 &ThreadRoutine, ¬ifications_, NULL));
501 notifications_.spawn_thread_started.WaitForNotification();
502 }
503 // Tells the thread to finish, and reaps it.
504 // Depending on the version of the thread library in use,
505 // a manager thread might still be left running that will interfere
506 // with later death tests. This is unfortunate, but this class
507 // cleans up after itself as best it can.
508 virtual void TearDown() {
509 notifications_.spawn_thread_ok_to_terminate.Notify();
510 }
511
512 private:
513 SpawnThreadNotifications notifications_;
514 scoped_ptr<ThreadWithParam<SpawnThreadNotifications*> > thread_;
515 };
516
517 #endif // GTEST_IS_THREADSAFE
518
519 // The MixedUpTestCaseTest test case verifies that Google Test will fail a
520 // test if it uses a different fixture class than what other tests in
521 // the same test case use. It deliberately contains two fixture
522 // classes with the same name but defined in different namespaces.
523
524 // The MixedUpTestCaseWithSameTestNameTest test case verifies that
525 // when the user defines two tests with the same test case name AND
526 // same test name (but in different namespaces), the second test will
527 // fail.
528
529 namespace foo {
530
531 class MixedUpTestCaseTest : public testing::Test {
532 };
533
534 TEST_F(MixedUpTestCaseTest, FirstTestFromNamespaceFoo) {}
535 TEST_F(MixedUpTestCaseTest, SecondTestFromNamespaceFoo) {}
536
537 class MixedUpTestCaseWithSameTestNameTest : public testing::Test {
538 };
539
540 TEST_F(MixedUpTestCaseWithSameTestNameTest,
541 TheSecondTestWithThisNameShouldFail) {}
542
543 } // namespace foo
544
545 namespace bar {
546
547 class MixedUpTestCaseTest : public testing::Test {
548 };
549
550 // The following two tests are expected to fail. We rely on the
551 // golden file to check that Google Test generates the right error message.
552 TEST_F(MixedUpTestCaseTest, ThisShouldFail) {}
553 TEST_F(MixedUpTestCaseTest, ThisShouldFailToo) {}
554
555 class MixedUpTestCaseWithSameTestNameTest : public testing::Test {
556 };
557
558 // Expected to fail. We rely on the golden file to check that Google Test
559 // generates the right error message.
560 TEST_F(MixedUpTestCaseWithSameTestNameTest,
561 TheSecondTestWithThisNameShouldFail) {}
562
563 } // namespace bar
564
565 // The following two test cases verify that Google Test catches the user
566 // error of mixing TEST and TEST_F in the same test case. The first
567 // test case checks the scenario where TEST_F appears before TEST, and
568 // the second one checks where TEST appears before TEST_F.
569
570 class TEST_F_before_TEST_in_same_test_case : public testing::Test {
571 };
572
573 TEST_F(TEST_F_before_TEST_in_same_test_case, DefinedUsingTEST_F) {}
574
575 // Expected to fail. We rely on the golden file to check that Google Test
576 // generates the right error message.
577 TEST(TEST_F_before_TEST_in_same_test_case, DefinedUsingTESTAndShouldFail) {}
578
579 class TEST_before_TEST_F_in_same_test_case : public testing::Test {
580 };
581
582 TEST(TEST_before_TEST_F_in_same_test_case, DefinedUsingTEST) {}
583
584 // Expected to fail. We rely on the golden file to check that Google Test
585 // generates the right error message.
586 TEST_F(TEST_before_TEST_F_in_same_test_case, DefinedUsingTEST_FAndShouldFail) {
587 }
588
589 // Used for testing EXPECT_NONFATAL_FAILURE() and EXPECT_FATAL_FAILURE().
590 int global_integer = 0;
591
592 // Tests that EXPECT_NONFATAL_FAILURE() can reference global variables.
593 TEST(ExpectNonfatalFailureTest, CanReferenceGlobalVariables) {
594 global_integer = 0;
595 EXPECT_NONFATAL_FAILURE({
596 EXPECT_EQ(1, global_integer) << "Expected non-fatal failure.";
597 }, "Expected non-fatal failure.");
598 }
599
600 // Tests that EXPECT_NONFATAL_FAILURE() can reference local variables
601 // (static or not).
602 TEST(ExpectNonfatalFailureTest, CanReferenceLocalVariables) {
603 int m = 0;
604 static int n;
605 n = 1;
606 EXPECT_NONFATAL_FAILURE({
607 EXPECT_EQ(m, n) << "Expected non-fatal failure.";
608 }, "Expected non-fatal failure.");
609 }
610
611 // Tests that EXPECT_NONFATAL_FAILURE() succeeds when there is exactly
612 // one non-fatal failure and no fatal failure.
613 TEST(ExpectNonfatalFailureTest, SucceedsWhenThereIsOneNonfatalFailure) {
614 EXPECT_NONFATAL_FAILURE({
615 ADD_FAILURE() << "Expected non-fatal failure.";
616 }, "Expected non-fatal failure.");
617 }
618
619 // Tests that EXPECT_NONFATAL_FAILURE() fails when there is no
620 // non-fatal failure.
621 TEST(ExpectNonfatalFailureTest, FailsWhenThereIsNoNonfatalFailure) {
622 printf("(expecting a failure)\n");
623 EXPECT_NONFATAL_FAILURE({
624 }, "");
625 }
626
627 // Tests that EXPECT_NONFATAL_FAILURE() fails when there are two
628 // non-fatal failures.
629 TEST(ExpectNonfatalFailureTest, FailsWhenThereAreTwoNonfatalFailures) {
630 printf("(expecting a failure)\n");
631 EXPECT_NONFATAL_FAILURE({
632 ADD_FAILURE() << "Expected non-fatal failure 1.";
633 ADD_FAILURE() << "Expected non-fatal failure 2.";
634 }, "");
635 }
636
637 // Tests that EXPECT_NONFATAL_FAILURE() fails when there is one fatal
638 // failure.
639 TEST(ExpectNonfatalFailureTest, FailsWhenThereIsOneFatalFailure) {
640 printf("(expecting a failure)\n");
641 EXPECT_NONFATAL_FAILURE({
642 FAIL() << "Expected fatal failure.";
643 }, "");
644 }
645
646 // Tests that EXPECT_NONFATAL_FAILURE() fails when the statement being
647 // tested returns.
648 TEST(ExpectNonfatalFailureTest, FailsWhenStatementReturns) {
649 printf("(expecting a failure)\n");
650 EXPECT_NONFATAL_FAILURE({
651 return;
652 }, "");
653 }
654
655 #if GTEST_HAS_EXCEPTIONS
656
657 // Tests that EXPECT_NONFATAL_FAILURE() fails when the statement being
658 // tested throws.
659 TEST(ExpectNonfatalFailureTest, FailsWhenStatementThrows) {
660 printf("(expecting a failure)\n");
661 try {
662 EXPECT_NONFATAL_FAILURE({
663 throw 0;
664 }, "");
665 } catch(int) { // NOLINT
666 }
667 }
668
669 #endif // GTEST_HAS_EXCEPTIONS
670
671 // Tests that EXPECT_FATAL_FAILURE() can reference global variables.
672 TEST(ExpectFatalFailureTest, CanReferenceGlobalVariables) {
673 global_integer = 0;
674 EXPECT_FATAL_FAILURE({
675 ASSERT_EQ(1, global_integer) << "Expected fatal failure.";
676 }, "Expected fatal failure.");
677 }
678
679 // Tests that EXPECT_FATAL_FAILURE() can reference local static
680 // variables.
681 TEST(ExpectFatalFailureTest, CanReferenceLocalStaticVariables) {
682 static int n;
683 n = 1;
684 EXPECT_FATAL_FAILURE({
685 ASSERT_EQ(0, n) << "Expected fatal failure.";
686 }, "Expected fatal failure.");
687 }
688
689 // Tests that EXPECT_FATAL_FAILURE() succeeds when there is exactly
690 // one fatal failure and no non-fatal failure.
691 TEST(ExpectFatalFailureTest, SucceedsWhenThereIsOneFatalFailure) {
692 EXPECT_FATAL_FAILURE({
693 FAIL() << "Expected fatal failure.";
694 }, "Expected fatal failure.");
695 }
696
697 // Tests that EXPECT_FATAL_FAILURE() fails when there is no fatal
698 // failure.
699 TEST(ExpectFatalFailureTest, FailsWhenThereIsNoFatalFailure) {
700 printf("(expecting a failure)\n");
701 EXPECT_FATAL_FAILURE({
702 }, "");
703 }
704
705 // A helper for generating a fatal failure.
706 void FatalFailure() {
707 FAIL() << "Expected fatal failure.";
708 }
709
710 // Tests that EXPECT_FATAL_FAILURE() fails when there are two
711 // fatal failures.
712 TEST(ExpectFatalFailureTest, FailsWhenThereAreTwoFatalFailures) {
713 printf("(expecting a failure)\n");
714 EXPECT_FATAL_FAILURE({
715 FatalFailure();
716 FatalFailure();
717 }, "");
718 }
719
720 // Tests that EXPECT_FATAL_FAILURE() fails when there is one non-fatal
721 // failure.
722 TEST(ExpectFatalFailureTest, FailsWhenThereIsOneNonfatalFailure) {
723 printf("(expecting a failure)\n");
724 EXPECT_FATAL_FAILURE({
725 ADD_FAILURE() << "Expected non-fatal failure.";
726 }, "");
727 }
728
729 // Tests that EXPECT_FATAL_FAILURE() fails when the statement being
730 // tested returns.
731 TEST(ExpectFatalFailureTest, FailsWhenStatementReturns) {
732 printf("(expecting a failure)\n");
733 EXPECT_FATAL_FAILURE({
734 return;
735 }, "");
736 }
737
738 #if GTEST_HAS_EXCEPTIONS
739
740 // Tests that EXPECT_FATAL_FAILURE() fails when the statement being
741 // tested throws.
742 TEST(ExpectFatalFailureTest, FailsWhenStatementThrows) {
743 printf("(expecting a failure)\n");
744 try {
745 EXPECT_FATAL_FAILURE({
746 throw 0;
747 }, "");
748 } catch(int) { // NOLINT
749 }
750 }
751
752 #endif // GTEST_HAS_EXCEPTIONS
753
754 // This #ifdef block tests the output of typed tests.
755 #if GTEST_HAS_TYPED_TEST
756
757 template <typename T>
758 class TypedTest : public testing::Test {
759 };
760
761 TYPED_TEST_CASE(TypedTest, testing::Types<int>);
762
763 TYPED_TEST(TypedTest, Success) {
764 EXPECT_EQ(0, TypeParam());
765 }
766
767 TYPED_TEST(TypedTest, Failure) {
768 EXPECT_EQ(1, TypeParam()) << "Expected failure";
769 }
770
771 #endif // GTEST_HAS_TYPED_TEST
772
773 // This #ifdef block tests the output of type-parameterized tests.
774 #if GTEST_HAS_TYPED_TEST_P
775
776 template <typename T>
777 class TypedTestP : public testing::Test {
778 };
779
780 TYPED_TEST_CASE_P(TypedTestP);
781
782 TYPED_TEST_P(TypedTestP, Success) {
783 EXPECT_EQ(0U, TypeParam());
784 }
785
786 TYPED_TEST_P(TypedTestP, Failure) {
787 EXPECT_EQ(1U, TypeParam()) << "Expected failure";
788 }
789
790 REGISTER_TYPED_TEST_CASE_P(TypedTestP, Success, Failure);
791
792 typedef testing::Types<unsigned char, unsigned int> UnsignedTypes;
793 INSTANTIATE_TYPED_TEST_CASE_P(Unsigned, TypedTestP, UnsignedTypes);
794
795 #endif // GTEST_HAS_TYPED_TEST_P
796
797 #if GTEST_HAS_DEATH_TEST
798
799 // We rely on the golden file to verify that tests whose test case
800 // name ends with DeathTest are run first.
801
802 TEST(ADeathTest, ShouldRunFirst) {
803 }
804
805 # if GTEST_HAS_TYPED_TEST
806
807 // We rely on the golden file to verify that typed tests whose test
808 // case name ends with DeathTest are run first.
809
810 template <typename T>
811 class ATypedDeathTest : public testing::Test {
812 };
813
814 typedef testing::Types<int, double> NumericTypes;
815 TYPED_TEST_CASE(ATypedDeathTest, NumericTypes);
816
817 TYPED_TEST(ATypedDeathTest, ShouldRunFirst) {
818 }
819
820 # endif // GTEST_HAS_TYPED_TEST
821
822 # if GTEST_HAS_TYPED_TEST_P
823
824
825 // We rely on the golden file to verify that type-parameterized tests
826 // whose test case name ends with DeathTest are run first.
827
828 template <typename T>
829 class ATypeParamDeathTest : public testing::Test {
830 };
831
832 TYPED_TEST_CASE_P(ATypeParamDeathTest);
833
834 TYPED_TEST_P(ATypeParamDeathTest, ShouldRunFirst) {
835 }
836
837 REGISTER_TYPED_TEST_CASE_P(ATypeParamDeathTest, ShouldRunFirst);
838
839 INSTANTIATE_TYPED_TEST_CASE_P(My, ATypeParamDeathTest, NumericTypes);
840
841 # endif // GTEST_HAS_TYPED_TEST_P
842
843 #endif // GTEST_HAS_DEATH_TEST
844
845 // Tests various failure conditions of
846 // EXPECT_{,NON}FATAL_FAILURE{,_ON_ALL_THREADS}.
847 class ExpectFailureTest : public testing::Test {
848 public: // Must be public and not protected due to a bug in g++ 3.4.2.
849 enum FailureMode {
850 FATAL_FAILURE,
851 NONFATAL_FAILURE
852 };
853 static void AddFailure(FailureMode failure) {
854 if (failure == FATAL_FAILURE) {
855 FAIL() << "Expected fatal failure.";
856 } else {
857 ADD_FAILURE() << "Expected non-fatal failure.";
858 }
859 }
860 };
861
862 TEST_F(ExpectFailureTest, ExpectFatalFailure) {
863 // Expected fatal failure, but succeeds.
864 printf("(expecting 1 failure)\n");
865 EXPECT_FATAL_FAILURE(SUCCEED(), "Expected fatal failure.");
866 // Expected fatal failure, but got a non-fatal failure.
867 printf("(expecting 1 failure)\n");
868 EXPECT_FATAL_FAILURE(AddFailure(NONFATAL_FAILURE), "Expected non-fatal "
869 "failure.");
870 // Wrong message.
871 printf("(expecting 1 failure)\n");
872 EXPECT_FATAL_FAILURE(AddFailure(FATAL_FAILURE), "Some other fatal failure "
873 "expected.");
874 }
875
876 TEST_F(ExpectFailureTest, ExpectNonFatalFailure) {
877 // Expected non-fatal failure, but succeeds.
878 printf("(expecting 1 failure)\n");
879 EXPECT_NONFATAL_FAILURE(SUCCEED(), "Expected non-fatal failure.");
880 // Expected non-fatal failure, but got a fatal failure.
881 printf("(expecting 1 failure)\n");
882 EXPECT_NONFATAL_FAILURE(AddFailure(FATAL_FAILURE), "Expected fatal failure.");
883 // Wrong message.
884 printf("(expecting 1 failure)\n");
885 EXPECT_NONFATAL_FAILURE(AddFailure(NONFATAL_FAILURE), "Some other non-fatal "
886 "failure.");
887 }
888
889 #if GTEST_IS_THREADSAFE
890
891 class ExpectFailureWithThreadsTest : public ExpectFailureTest {
892 protected:
893 static void AddFailureInOtherThread(FailureMode failure) {
894 ThreadWithParam<FailureMode> thread(&AddFailure, failure, NULL);
895 thread.Join();
896 }
897 };
898
899 TEST_F(ExpectFailureWithThreadsTest, ExpectFatalFailure) {
900 // We only intercept the current thread.
901 printf("(expecting 2 failures)\n");
902 EXPECT_FATAL_FAILURE(AddFailureInOtherThread(FATAL_FAILURE),
903 "Expected fatal failure.");
904 }
905
906 TEST_F(ExpectFailureWithThreadsTest, ExpectNonFatalFailure) {
907 // We only intercept the current thread.
908 printf("(expecting 2 failures)\n");
909 EXPECT_NONFATAL_FAILURE(AddFailureInOtherThread(NONFATAL_FAILURE),
910 "Expected non-fatal failure.");
911 }
912
913 typedef ExpectFailureWithThreadsTest ScopedFakeTestPartResultReporterTest;
914
915 // Tests that the ScopedFakeTestPartResultReporter only catches failures from
916 // the current thread if it is instantiated with INTERCEPT_ONLY_CURRENT_THREAD.
917 TEST_F(ScopedFakeTestPartResultReporterTest, InterceptOnlyCurrentThread) {
918 printf("(expecting 2 failures)\n");
919 TestPartResultArray results;
920 {
921 ScopedFakeTestPartResultReporter reporter(
922 ScopedFakeTestPartResultReporter::INTERCEPT_ONLY_CURRENT_THREAD,
923 &results);
924 AddFailureInOtherThread(FATAL_FAILURE);
925 AddFailureInOtherThread(NONFATAL_FAILURE);
926 }
927 // The two failures should not have been intercepted.
928 EXPECT_EQ(0, results.size()) << "This shouldn't fail.";
929 }
930
931 #endif // GTEST_IS_THREADSAFE
932
933 TEST_F(ExpectFailureTest, ExpectFatalFailureOnAllThreads) {
934 // Expected fatal failure, but succeeds.
935 printf("(expecting 1 failure)\n");
936 EXPECT_FATAL_FAILURE_ON_ALL_THREADS(SUCCEED(), "Expected fatal failure.");
937 // Expected fatal failure, but got a non-fatal failure.
938 printf("(expecting 1 failure)\n");
939 EXPECT_FATAL_FAILURE_ON_ALL_THREADS(AddFailure(NONFATAL_FAILURE),
940 "Expected non-fatal failure.");
941 // Wrong message.
942 printf("(expecting 1 failure)\n");
943 EXPECT_FATAL_FAILURE_ON_ALL_THREADS(AddFailure(FATAL_FAILURE),
944 "Some other fatal failure expected.");
945 }
946
947 TEST_F(ExpectFailureTest, ExpectNonFatalFailureOnAllThreads) {
948 // Expected non-fatal failure, but succeeds.
949 printf("(expecting 1 failure)\n");
950 EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(SUCCEED(), "Expected non-fatal "
951 "failure.");
952 // Expected non-fatal failure, but got a fatal failure.
953 printf("(expecting 1 failure)\n");
954 EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(AddFailure(FATAL_FAILURE),
955 "Expected fatal failure.");
956 // Wrong message.
957 printf("(expecting 1 failure)\n");
958 EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(AddFailure(NONFATAL_FAILURE),
959 "Some other non-fatal failure.");
960 }
961
962
963 // Two test environments for testing testing::AddGlobalTestEnvironment().
964
965 class FooEnvironment : public testing::Environment {
966 public:
967 virtual void SetUp() {
968 printf("%s", "FooEnvironment::SetUp() called.\n");
969 }
970
971 virtual void TearDown() {
972 printf("%s", "FooEnvironment::TearDown() called.\n");
973 FAIL() << "Expected fatal failure.";
974 }
975 };
976
977 class BarEnvironment : public testing::Environment {
978 public:
979 virtual void SetUp() {
980 printf("%s", "BarEnvironment::SetUp() called.\n");
981 }
982
983 virtual void TearDown() {
984 printf("%s", "BarEnvironment::TearDown() called.\n");
985 ADD_FAILURE() << "Expected non-fatal failure.";
986 }
987 };
988
989 bool GTEST_FLAG(internal_skip_environment_and_ad_hoc_tests) = false;
990
991 // The main function.
992 //
993 // The idea is to use Google Test to run all the tests we have defined (some
994 // of them are intended to fail), and then compare the test results
995 // with the "golden" file.
996 int main(int argc, char **argv) {
997 testing::GTEST_FLAG(print_time) = false;
998
999 // We just run the tests, knowing some of them are intended to fail.
1000 // We will use a separate Python script to compare the output of
1001 // this program with the golden file.
1002
1003 // It's hard to test InitGoogleTest() directly, as it has many
1004 // global side effects. The following line serves as a sanity test
1005 // for it.
1006 testing::InitGoogleTest(&argc, argv);
1007 if (argc >= 2 &&
1008 String(argv[1]) == "--gtest_internal_skip_environment_and_ad_hoc_tests")
1009 GTEST_FLAG(internal_skip_environment_and_ad_hoc_tests) = true;
1010
1011 #if GTEST_HAS_DEATH_TEST
1012 if (testing::internal::GTEST_FLAG(internal_run_death_test) != "") {
1013 // Skip the usual output capturing if we're running as the child
1014 // process of an threadsafe-style death test.
1015 # if GTEST_OS_WINDOWS
1016 posix::FReopen("nul:", "w", stdout);
1017 # else
1018 posix::FReopen("/dev/null", "w", stdout);
1019 # endif // GTEST_OS_WINDOWS
1020 return RUN_ALL_TESTS();
1021 }
1022 #endif // GTEST_HAS_DEATH_TEST
1023
1024 if (GTEST_FLAG(internal_skip_environment_and_ad_hoc_tests))
1025 return RUN_ALL_TESTS();
1026
1027 // Registers two global test environments.
1028 // The golden file verifies that they are set up in the order they
1029 // are registered, and torn down in the reverse order.
1030 testing::AddGlobalTestEnvironment(new FooEnvironment);
1031 testing::AddGlobalTestEnvironment(new BarEnvironment);
1032
1033 return RunAllTests();
1034 }
1035