github.com/jlmucb/cloudproxy@v0.0.0-20170830161738-b5aa0b619bc4/src/third_party/googlemock/gtest/test/gtest_output_test_.cc (about) 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 // 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::scoped_ptr; 62 63 // Tests catching fatal failures. 64 65 // A subroutine used by the following test. 66 void TestEq1(int x) { 67 ASSERT_EQ(1, x); 68 } 69 70 // This function calls a test subroutine, catches the fatal failure it 71 // generates, and then returns early. 72 void TryTestSubroutine() { 73 // Calls a subrountine that yields a fatal failure. 74 TestEq1(2); 75 76 // Catches the fatal failure and aborts the test. 77 // 78 // The testing::Test:: prefix is necessary when calling 79 // HasFatalFailure() outside of a TEST, TEST_F, or test fixture. 80 if (testing::Test::HasFatalFailure()) return; 81 82 // If we get here, something is wrong. 83 FAIL() << "This should never be reached."; 84 } 85 86 TEST(PassingTest, PassingTest1) { 87 } 88 89 TEST(PassingTest, PassingTest2) { 90 } 91 92 // Tests that parameters of failing parameterized tests are printed in the 93 // failing test summary. 94 class FailingParamTest : public testing::TestWithParam<int> {}; 95 96 TEST_P(FailingParamTest, Fails) { 97 EXPECT_EQ(1, GetParam()); 98 } 99 100 // This generates a test which will fail. Google Test is expected to print 101 // its parameter when it outputs the list of all failed tests. 102 INSTANTIATE_TEST_CASE_P(PrintingFailingParams, 103 FailingParamTest, 104 testing::Values(2)); 105 106 static const char kGoldenString[] = "\"Line\0 1\"\nLine 2"; 107 108 TEST(NonfatalFailureTest, EscapesStringOperands) { 109 std::string actual = "actual \"string\""; 110 EXPECT_EQ(kGoldenString, actual); 111 112 const char* golden = kGoldenString; 113 EXPECT_EQ(golden, actual); 114 } 115 116 // Tests catching a fatal failure in a subroutine. 117 TEST(FatalFailureTest, FatalFailureInSubroutine) { 118 printf("(expecting a failure that x should be 1)\n"); 119 120 TryTestSubroutine(); 121 } 122 123 // Tests catching a fatal failure in a nested subroutine. 124 TEST(FatalFailureTest, FatalFailureInNestedSubroutine) { 125 printf("(expecting a failure that x should be 1)\n"); 126 127 // Calls a subrountine that yields a fatal failure. 128 TryTestSubroutine(); 129 130 // Catches the fatal failure and aborts the test. 131 // 132 // When calling HasFatalFailure() inside a TEST, TEST_F, or test 133 // fixture, the testing::Test:: prefix is not needed. 134 if (HasFatalFailure()) return; 135 136 // If we get here, something is wrong. 137 FAIL() << "This should never be reached."; 138 } 139 140 // Tests HasFatalFailure() after a failed EXPECT check. 141 TEST(FatalFailureTest, NonfatalFailureInSubroutine) { 142 printf("(expecting a failure on false)\n"); 143 EXPECT_TRUE(false); // Generates a nonfatal failure 144 ASSERT_FALSE(HasFatalFailure()); // This should succeed. 145 } 146 147 // Tests interleaving user logging and Google Test assertions. 148 TEST(LoggingTest, InterleavingLoggingAndAssertions) { 149 static const int a[4] = { 150 3, 9, 2, 6 151 }; 152 153 printf("(expecting 2 failures on (3) >= (a[i]))\n"); 154 for (int i = 0; i < static_cast<int>(sizeof(a)/sizeof(*a)); i++) { 155 printf("i == %d\n", i); 156 EXPECT_GE(3, a[i]); 157 } 158 } 159 160 // Tests the SCOPED_TRACE macro. 161 162 // A helper function for testing SCOPED_TRACE. 163 void SubWithoutTrace(int n) { 164 EXPECT_EQ(1, n); 165 ASSERT_EQ(2, n); 166 } 167 168 // Another helper function for testing SCOPED_TRACE. 169 void SubWithTrace(int n) { 170 SCOPED_TRACE(testing::Message() << "n = " << n); 171 172 SubWithoutTrace(n); 173 } 174 175 // Tests that SCOPED_TRACE() obeys lexical scopes. 176 TEST(SCOPED_TRACETest, ObeysScopes) { 177 printf("(expected to fail)\n"); 178 179 // There should be no trace before SCOPED_TRACE() is invoked. 180 ADD_FAILURE() << "This failure is expected, and shouldn't have a trace."; 181 182 { 183 SCOPED_TRACE("Expected trace"); 184 // After SCOPED_TRACE(), a failure in the current scope should contain 185 // the trace. 186 ADD_FAILURE() << "This failure is expected, and should have a trace."; 187 } 188 189 // Once the control leaves the scope of the SCOPED_TRACE(), there 190 // should be no trace again. 191 ADD_FAILURE() << "This failure is expected, and shouldn't have a trace."; 192 } 193 194 // Tests that SCOPED_TRACE works inside a loop. 195 TEST(SCOPED_TRACETest, WorksInLoop) { 196 printf("(expected to fail)\n"); 197 198 for (int i = 1; i <= 2; i++) { 199 SCOPED_TRACE(testing::Message() << "i = " << i); 200 201 SubWithoutTrace(i); 202 } 203 } 204 205 // Tests that SCOPED_TRACE works in a subroutine. 206 TEST(SCOPED_TRACETest, WorksInSubroutine) { 207 printf("(expected to fail)\n"); 208 209 SubWithTrace(1); 210 SubWithTrace(2); 211 } 212 213 // Tests that SCOPED_TRACE can be nested. 214 TEST(SCOPED_TRACETest, CanBeNested) { 215 printf("(expected to fail)\n"); 216 217 SCOPED_TRACE(""); // A trace without a message. 218 219 SubWithTrace(2); 220 } 221 222 // Tests that multiple SCOPED_TRACEs can be used in the same scope. 223 TEST(SCOPED_TRACETest, CanBeRepeated) { 224 printf("(expected to fail)\n"); 225 226 SCOPED_TRACE("A"); 227 ADD_FAILURE() 228 << "This failure is expected, and should contain trace point A."; 229 230 SCOPED_TRACE("B"); 231 ADD_FAILURE() 232 << "This failure is expected, and should contain trace point A and B."; 233 234 { 235 SCOPED_TRACE("C"); 236 ADD_FAILURE() << "This failure is expected, and should " 237 << "contain trace point A, B, and C."; 238 } 239 240 SCOPED_TRACE("D"); 241 ADD_FAILURE() << "This failure is expected, and should " 242 << "contain trace point A, B, and D."; 243 } 244 245 #if GTEST_IS_THREADSAFE 246 // Tests that SCOPED_TRACE()s can be used concurrently from multiple 247 // threads. Namely, an assertion should be affected by 248 // SCOPED_TRACE()s in its own thread only. 249 250 // Here's the sequence of actions that happen in the test: 251 // 252 // Thread A (main) | Thread B (spawned) 253 // ===============================|================================ 254 // spawns thread B | 255 // -------------------------------+-------------------------------- 256 // waits for n1 | SCOPED_TRACE("Trace B"); 257 // | generates failure #1 258 // | notifies n1 259 // -------------------------------+-------------------------------- 260 // SCOPED_TRACE("Trace A"); | waits for n2 261 // generates failure #2 | 262 // notifies n2 | 263 // -------------------------------|-------------------------------- 264 // waits for n3 | generates failure #3 265 // | trace B dies 266 // | generates failure #4 267 // | notifies n3 268 // -------------------------------|-------------------------------- 269 // generates failure #5 | finishes 270 // trace A dies | 271 // generates failure #6 | 272 // -------------------------------|-------------------------------- 273 // waits for thread B to finish | 274 275 struct CheckPoints { 276 Notification n1; 277 Notification n2; 278 Notification n3; 279 }; 280 281 static void ThreadWithScopedTrace(CheckPoints* check_points) { 282 { 283 SCOPED_TRACE("Trace B"); 284 ADD_FAILURE() 285 << "Expected failure #1 (in thread B, only trace B alive)."; 286 check_points->n1.Notify(); 287 check_points->n2.WaitForNotification(); 288 289 ADD_FAILURE() 290 << "Expected failure #3 (in thread B, trace A & B both alive)."; 291 } // Trace B dies here. 292 ADD_FAILURE() 293 << "Expected failure #4 (in thread B, only trace A alive)."; 294 check_points->n3.Notify(); 295 } 296 297 TEST(SCOPED_TRACETest, WorksConcurrently) { 298 printf("(expecting 6 failures)\n"); 299 300 CheckPoints check_points; 301 ThreadWithParam<CheckPoints*> thread(&ThreadWithScopedTrace, 302 &check_points, 303 NULL); 304 check_points.n1.WaitForNotification(); 305 306 { 307 SCOPED_TRACE("Trace A"); 308 ADD_FAILURE() 309 << "Expected failure #2 (in thread A, trace A & B both alive)."; 310 check_points.n2.Notify(); 311 check_points.n3.WaitForNotification(); 312 313 ADD_FAILURE() 314 << "Expected failure #5 (in thread A, only trace A alive)."; 315 } // Trace A dies here. 316 ADD_FAILURE() 317 << "Expected failure #6 (in thread A, no trace alive)."; 318 thread.Join(); 319 } 320 #endif // GTEST_IS_THREADSAFE 321 322 TEST(DisabledTestsWarningTest, 323 DISABLED_AlsoRunDisabledTestsFlagSuppressesWarning) { 324 // This test body is intentionally empty. Its sole purpose is for 325 // verifying that the --gtest_also_run_disabled_tests flag 326 // suppresses the "YOU HAVE 12 DISABLED TESTS" warning at the end of 327 // the test output. 328 } 329 330 // Tests using assertions outside of TEST and TEST_F. 331 // 332 // This function creates two failures intentionally. 333 void AdHocTest() { 334 printf("The non-test part of the code is expected to have 2 failures.\n\n"); 335 EXPECT_TRUE(false); 336 EXPECT_EQ(2, 3); 337 } 338 339 // Runs all TESTs, all TEST_Fs, and the ad hoc test. 340 int RunAllTests() { 341 AdHocTest(); 342 return RUN_ALL_TESTS(); 343 } 344 345 // Tests non-fatal failures in the fixture constructor. 346 class NonFatalFailureInFixtureConstructorTest : public testing::Test { 347 protected: 348 NonFatalFailureInFixtureConstructorTest() { 349 printf("(expecting 5 failures)\n"); 350 ADD_FAILURE() << "Expected failure #1, in the test fixture c'tor."; 351 } 352 353 ~NonFatalFailureInFixtureConstructorTest() { 354 ADD_FAILURE() << "Expected failure #5, in the test fixture d'tor."; 355 } 356 357 virtual void SetUp() { 358 ADD_FAILURE() << "Expected failure #2, in SetUp()."; 359 } 360 361 virtual void TearDown() { 362 ADD_FAILURE() << "Expected failure #4, in TearDown."; 363 } 364 }; 365 366 TEST_F(NonFatalFailureInFixtureConstructorTest, FailureInConstructor) { 367 ADD_FAILURE() << "Expected failure #3, in the test body."; 368 } 369 370 // Tests fatal failures in the fixture constructor. 371 class FatalFailureInFixtureConstructorTest : public testing::Test { 372 protected: 373 FatalFailureInFixtureConstructorTest() { 374 printf("(expecting 2 failures)\n"); 375 Init(); 376 } 377 378 ~FatalFailureInFixtureConstructorTest() { 379 ADD_FAILURE() << "Expected failure #2, in the test fixture d'tor."; 380 } 381 382 virtual void SetUp() { 383 ADD_FAILURE() << "UNEXPECTED failure in SetUp(). " 384 << "We should never get here, as the test fixture c'tor " 385 << "had a fatal failure."; 386 } 387 388 virtual void TearDown() { 389 ADD_FAILURE() << "UNEXPECTED failure in TearDown(). " 390 << "We should never get here, as the test fixture c'tor " 391 << "had a fatal failure."; 392 } 393 394 private: 395 void Init() { 396 FAIL() << "Expected failure #1, in the test fixture c'tor."; 397 } 398 }; 399 400 TEST_F(FatalFailureInFixtureConstructorTest, FailureInConstructor) { 401 ADD_FAILURE() << "UNEXPECTED failure in the test body. " 402 << "We should never get here, as the test fixture c'tor " 403 << "had a fatal failure."; 404 } 405 406 // Tests non-fatal failures in SetUp(). 407 class NonFatalFailureInSetUpTest : public testing::Test { 408 protected: 409 virtual ~NonFatalFailureInSetUpTest() { 410 Deinit(); 411 } 412 413 virtual void SetUp() { 414 printf("(expecting 4 failures)\n"); 415 ADD_FAILURE() << "Expected failure #1, in SetUp()."; 416 } 417 418 virtual void TearDown() { 419 FAIL() << "Expected failure #3, in TearDown()."; 420 } 421 private: 422 void Deinit() { 423 FAIL() << "Expected failure #4, in the test fixture d'tor."; 424 } 425 }; 426 427 TEST_F(NonFatalFailureInSetUpTest, FailureInSetUp) { 428 FAIL() << "Expected failure #2, in the test function."; 429 } 430 431 // Tests fatal failures in SetUp(). 432 class FatalFailureInSetUpTest : public testing::Test { 433 protected: 434 virtual ~FatalFailureInSetUpTest() { 435 Deinit(); 436 } 437 438 virtual void SetUp() { 439 printf("(expecting 3 failures)\n"); 440 FAIL() << "Expected failure #1, in SetUp()."; 441 } 442 443 virtual void TearDown() { 444 FAIL() << "Expected failure #2, in TearDown()."; 445 } 446 private: 447 void Deinit() { 448 FAIL() << "Expected failure #3, in the test fixture d'tor."; 449 } 450 }; 451 452 TEST_F(FatalFailureInSetUpTest, FailureInSetUp) { 453 FAIL() << "UNEXPECTED failure in the test function. " 454 << "We should never get here, as SetUp() failed."; 455 } 456 457 TEST(AddFailureAtTest, MessageContainsSpecifiedFileAndLineNumber) { 458 ADD_FAILURE_AT("foo.cc", 42) << "Expected failure in foo.cc"; 459 } 460 461 #if GTEST_IS_THREADSAFE 462 463 // A unary function that may die. 464 void DieIf(bool should_die) { 465 GTEST_CHECK_(!should_die) << " - death inside DieIf()."; 466 } 467 468 // Tests running death tests in a multi-threaded context. 469 470 // Used for coordination between the main and the spawn thread. 471 struct SpawnThreadNotifications { 472 SpawnThreadNotifications() {} 473 474 Notification spawn_thread_started; 475 Notification spawn_thread_ok_to_terminate; 476 477 private: 478 GTEST_DISALLOW_COPY_AND_ASSIGN_(SpawnThreadNotifications); 479 }; 480 481 // The function to be executed in the thread spawn by the 482 // MultipleThreads test (below). 483 static void ThreadRoutine(SpawnThreadNotifications* notifications) { 484 // Signals the main thread that this thread has started. 485 notifications->spawn_thread_started.Notify(); 486 487 // Waits for permission to finish from the main thread. 488 notifications->spawn_thread_ok_to_terminate.WaitForNotification(); 489 } 490 491 // This is a death-test test, but it's not named with a DeathTest 492 // suffix. It starts threads which might interfere with later 493 // death tests, so it must run after all other death tests. 494 class DeathTestAndMultiThreadsTest : public testing::Test { 495 protected: 496 // Starts a thread and waits for it to begin. 497 virtual void SetUp() { 498 thread_.reset(new ThreadWithParam<SpawnThreadNotifications*>( 499 &ThreadRoutine, ¬ifications_, NULL)); 500 notifications_.spawn_thread_started.WaitForNotification(); 501 } 502 // Tells the thread to finish, and reaps it. 503 // Depending on the version of the thread library in use, 504 // a manager thread might still be left running that will interfere 505 // with later death tests. This is unfortunate, but this class 506 // cleans up after itself as best it can. 507 virtual void TearDown() { 508 notifications_.spawn_thread_ok_to_terminate.Notify(); 509 } 510 511 private: 512 SpawnThreadNotifications notifications_; 513 scoped_ptr<ThreadWithParam<SpawnThreadNotifications*> > thread_; 514 }; 515 516 #endif // GTEST_IS_THREADSAFE 517 518 // The MixedUpTestCaseTest test case verifies that Google Test will fail a 519 // test if it uses a different fixture class than what other tests in 520 // the same test case use. It deliberately contains two fixture 521 // classes with the same name but defined in different namespaces. 522 523 // The MixedUpTestCaseWithSameTestNameTest test case verifies that 524 // when the user defines two tests with the same test case name AND 525 // same test name (but in different namespaces), the second test will 526 // fail. 527 528 namespace foo { 529 530 class MixedUpTestCaseTest : public testing::Test { 531 }; 532 533 TEST_F(MixedUpTestCaseTest, FirstTestFromNamespaceFoo) {} 534 TEST_F(MixedUpTestCaseTest, SecondTestFromNamespaceFoo) {} 535 536 class MixedUpTestCaseWithSameTestNameTest : public testing::Test { 537 }; 538 539 TEST_F(MixedUpTestCaseWithSameTestNameTest, 540 TheSecondTestWithThisNameShouldFail) {} 541 542 } // namespace foo 543 544 namespace bar { 545 546 class MixedUpTestCaseTest : public testing::Test { 547 }; 548 549 // The following two tests are expected to fail. We rely on the 550 // golden file to check that Google Test generates the right error message. 551 TEST_F(MixedUpTestCaseTest, ThisShouldFail) {} 552 TEST_F(MixedUpTestCaseTest, ThisShouldFailToo) {} 553 554 class MixedUpTestCaseWithSameTestNameTest : public testing::Test { 555 }; 556 557 // Expected to fail. We rely on the golden file to check that Google Test 558 // generates the right error message. 559 TEST_F(MixedUpTestCaseWithSameTestNameTest, 560 TheSecondTestWithThisNameShouldFail) {} 561 562 } // namespace bar 563 564 // The following two test cases verify that Google Test catches the user 565 // error of mixing TEST and TEST_F in the same test case. The first 566 // test case checks the scenario where TEST_F appears before TEST, and 567 // the second one checks where TEST appears before TEST_F. 568 569 class TEST_F_before_TEST_in_same_test_case : public testing::Test { 570 }; 571 572 TEST_F(TEST_F_before_TEST_in_same_test_case, DefinedUsingTEST_F) {} 573 574 // Expected to fail. We rely on the golden file to check that Google Test 575 // generates the right error message. 576 TEST(TEST_F_before_TEST_in_same_test_case, DefinedUsingTESTAndShouldFail) {} 577 578 class TEST_before_TEST_F_in_same_test_case : public testing::Test { 579 }; 580 581 TEST(TEST_before_TEST_F_in_same_test_case, DefinedUsingTEST) {} 582 583 // Expected to fail. We rely on the golden file to check that Google Test 584 // generates the right error message. 585 TEST_F(TEST_before_TEST_F_in_same_test_case, DefinedUsingTEST_FAndShouldFail) { 586 } 587 588 // Used for testing EXPECT_NONFATAL_FAILURE() and EXPECT_FATAL_FAILURE(). 589 int global_integer = 0; 590 591 // Tests that EXPECT_NONFATAL_FAILURE() can reference global variables. 592 TEST(ExpectNonfatalFailureTest, CanReferenceGlobalVariables) { 593 global_integer = 0; 594 EXPECT_NONFATAL_FAILURE({ 595 EXPECT_EQ(1, global_integer) << "Expected non-fatal failure."; 596 }, "Expected non-fatal failure."); 597 } 598 599 // Tests that EXPECT_NONFATAL_FAILURE() can reference local variables 600 // (static or not). 601 TEST(ExpectNonfatalFailureTest, CanReferenceLocalVariables) { 602 int m = 0; 603 static int n; 604 n = 1; 605 EXPECT_NONFATAL_FAILURE({ 606 EXPECT_EQ(m, n) << "Expected non-fatal failure."; 607 }, "Expected non-fatal failure."); 608 } 609 610 // Tests that EXPECT_NONFATAL_FAILURE() succeeds when there is exactly 611 // one non-fatal failure and no fatal failure. 612 TEST(ExpectNonfatalFailureTest, SucceedsWhenThereIsOneNonfatalFailure) { 613 EXPECT_NONFATAL_FAILURE({ 614 ADD_FAILURE() << "Expected non-fatal failure."; 615 }, "Expected non-fatal failure."); 616 } 617 618 // Tests that EXPECT_NONFATAL_FAILURE() fails when there is no 619 // non-fatal failure. 620 TEST(ExpectNonfatalFailureTest, FailsWhenThereIsNoNonfatalFailure) { 621 printf("(expecting a failure)\n"); 622 EXPECT_NONFATAL_FAILURE({ 623 }, ""); 624 } 625 626 // Tests that EXPECT_NONFATAL_FAILURE() fails when there are two 627 // non-fatal failures. 628 TEST(ExpectNonfatalFailureTest, FailsWhenThereAreTwoNonfatalFailures) { 629 printf("(expecting a failure)\n"); 630 EXPECT_NONFATAL_FAILURE({ 631 ADD_FAILURE() << "Expected non-fatal failure 1."; 632 ADD_FAILURE() << "Expected non-fatal failure 2."; 633 }, ""); 634 } 635 636 // Tests that EXPECT_NONFATAL_FAILURE() fails when there is one fatal 637 // failure. 638 TEST(ExpectNonfatalFailureTest, FailsWhenThereIsOneFatalFailure) { 639 printf("(expecting a failure)\n"); 640 EXPECT_NONFATAL_FAILURE({ 641 FAIL() << "Expected fatal failure."; 642 }, ""); 643 } 644 645 // Tests that EXPECT_NONFATAL_FAILURE() fails when the statement being 646 // tested returns. 647 TEST(ExpectNonfatalFailureTest, FailsWhenStatementReturns) { 648 printf("(expecting a failure)\n"); 649 EXPECT_NONFATAL_FAILURE({ 650 return; 651 }, ""); 652 } 653 654 #if GTEST_HAS_EXCEPTIONS 655 656 // Tests that EXPECT_NONFATAL_FAILURE() fails when the statement being 657 // tested throws. 658 TEST(ExpectNonfatalFailureTest, FailsWhenStatementThrows) { 659 printf("(expecting a failure)\n"); 660 try { 661 EXPECT_NONFATAL_FAILURE({ 662 throw 0; 663 }, ""); 664 } catch(int) { // NOLINT 665 } 666 } 667 668 #endif // GTEST_HAS_EXCEPTIONS 669 670 // Tests that EXPECT_FATAL_FAILURE() can reference global variables. 671 TEST(ExpectFatalFailureTest, CanReferenceGlobalVariables) { 672 global_integer = 0; 673 EXPECT_FATAL_FAILURE({ 674 ASSERT_EQ(1, global_integer) << "Expected fatal failure."; 675 }, "Expected fatal failure."); 676 } 677 678 // Tests that EXPECT_FATAL_FAILURE() can reference local static 679 // variables. 680 TEST(ExpectFatalFailureTest, CanReferenceLocalStaticVariables) { 681 static int n; 682 n = 1; 683 EXPECT_FATAL_FAILURE({ 684 ASSERT_EQ(0, n) << "Expected fatal failure."; 685 }, "Expected fatal failure."); 686 } 687 688 // Tests that EXPECT_FATAL_FAILURE() succeeds when there is exactly 689 // one fatal failure and no non-fatal failure. 690 TEST(ExpectFatalFailureTest, SucceedsWhenThereIsOneFatalFailure) { 691 EXPECT_FATAL_FAILURE({ 692 FAIL() << "Expected fatal failure."; 693 }, "Expected fatal failure."); 694 } 695 696 // Tests that EXPECT_FATAL_FAILURE() fails when there is no fatal 697 // failure. 698 TEST(ExpectFatalFailureTest, FailsWhenThereIsNoFatalFailure) { 699 printf("(expecting a failure)\n"); 700 EXPECT_FATAL_FAILURE({ 701 }, ""); 702 } 703 704 // A helper for generating a fatal failure. 705 void FatalFailure() { 706 FAIL() << "Expected fatal failure."; 707 } 708 709 // Tests that EXPECT_FATAL_FAILURE() fails when there are two 710 // fatal failures. 711 TEST(ExpectFatalFailureTest, FailsWhenThereAreTwoFatalFailures) { 712 printf("(expecting a failure)\n"); 713 EXPECT_FATAL_FAILURE({ 714 FatalFailure(); 715 FatalFailure(); 716 }, ""); 717 } 718 719 // Tests that EXPECT_FATAL_FAILURE() fails when there is one non-fatal 720 // failure. 721 TEST(ExpectFatalFailureTest, FailsWhenThereIsOneNonfatalFailure) { 722 printf("(expecting a failure)\n"); 723 EXPECT_FATAL_FAILURE({ 724 ADD_FAILURE() << "Expected non-fatal failure."; 725 }, ""); 726 } 727 728 // Tests that EXPECT_FATAL_FAILURE() fails when the statement being 729 // tested returns. 730 TEST(ExpectFatalFailureTest, FailsWhenStatementReturns) { 731 printf("(expecting a failure)\n"); 732 EXPECT_FATAL_FAILURE({ 733 return; 734 }, ""); 735 } 736 737 #if GTEST_HAS_EXCEPTIONS 738 739 // Tests that EXPECT_FATAL_FAILURE() fails when the statement being 740 // tested throws. 741 TEST(ExpectFatalFailureTest, FailsWhenStatementThrows) { 742 printf("(expecting a failure)\n"); 743 try { 744 EXPECT_FATAL_FAILURE({ 745 throw 0; 746 }, ""); 747 } catch(int) { // NOLINT 748 } 749 } 750 751 #endif // GTEST_HAS_EXCEPTIONS 752 753 // This #ifdef block tests the output of typed tests. 754 #if GTEST_HAS_TYPED_TEST 755 756 template <typename T> 757 class TypedTest : public testing::Test { 758 }; 759 760 TYPED_TEST_CASE(TypedTest, testing::Types<int>); 761 762 TYPED_TEST(TypedTest, Success) { 763 EXPECT_EQ(0, TypeParam()); 764 } 765 766 TYPED_TEST(TypedTest, Failure) { 767 EXPECT_EQ(1, TypeParam()) << "Expected failure"; 768 } 769 770 #endif // GTEST_HAS_TYPED_TEST 771 772 // This #ifdef block tests the output of type-parameterized tests. 773 #if GTEST_HAS_TYPED_TEST_P 774 775 template <typename T> 776 class TypedTestP : public testing::Test { 777 }; 778 779 TYPED_TEST_CASE_P(TypedTestP); 780 781 TYPED_TEST_P(TypedTestP, Success) { 782 EXPECT_EQ(0U, TypeParam()); 783 } 784 785 TYPED_TEST_P(TypedTestP, Failure) { 786 EXPECT_EQ(1U, TypeParam()) << "Expected failure"; 787 } 788 789 REGISTER_TYPED_TEST_CASE_P(TypedTestP, Success, Failure); 790 791 typedef testing::Types<unsigned char, unsigned int> UnsignedTypes; 792 INSTANTIATE_TYPED_TEST_CASE_P(Unsigned, TypedTestP, UnsignedTypes); 793 794 #endif // GTEST_HAS_TYPED_TEST_P 795 796 #if GTEST_HAS_DEATH_TEST 797 798 // We rely on the golden file to verify that tests whose test case 799 // name ends with DeathTest are run first. 800 801 TEST(ADeathTest, ShouldRunFirst) { 802 } 803 804 # if GTEST_HAS_TYPED_TEST 805 806 // We rely on the golden file to verify that typed tests whose test 807 // case name ends with DeathTest are run first. 808 809 template <typename T> 810 class ATypedDeathTest : public testing::Test { 811 }; 812 813 typedef testing::Types<int, double> NumericTypes; 814 TYPED_TEST_CASE(ATypedDeathTest, NumericTypes); 815 816 TYPED_TEST(ATypedDeathTest, ShouldRunFirst) { 817 } 818 819 # endif // GTEST_HAS_TYPED_TEST 820 821 # if GTEST_HAS_TYPED_TEST_P 822 823 824 // We rely on the golden file to verify that type-parameterized tests 825 // whose test case name ends with DeathTest are run first. 826 827 template <typename T> 828 class ATypeParamDeathTest : public testing::Test { 829 }; 830 831 TYPED_TEST_CASE_P(ATypeParamDeathTest); 832 833 TYPED_TEST_P(ATypeParamDeathTest, ShouldRunFirst) { 834 } 835 836 REGISTER_TYPED_TEST_CASE_P(ATypeParamDeathTest, ShouldRunFirst); 837 838 INSTANTIATE_TYPED_TEST_CASE_P(My, ATypeParamDeathTest, NumericTypes); 839 840 # endif // GTEST_HAS_TYPED_TEST_P 841 842 #endif // GTEST_HAS_DEATH_TEST 843 844 // Tests various failure conditions of 845 // EXPECT_{,NON}FATAL_FAILURE{,_ON_ALL_THREADS}. 846 class ExpectFailureTest : public testing::Test { 847 public: // Must be public and not protected due to a bug in g++ 3.4.2. 848 enum FailureMode { 849 FATAL_FAILURE, 850 NONFATAL_FAILURE 851 }; 852 static void AddFailure(FailureMode failure) { 853 if (failure == FATAL_FAILURE) { 854 FAIL() << "Expected fatal failure."; 855 } else { 856 ADD_FAILURE() << "Expected non-fatal failure."; 857 } 858 } 859 }; 860 861 TEST_F(ExpectFailureTest, ExpectFatalFailure) { 862 // Expected fatal failure, but succeeds. 863 printf("(expecting 1 failure)\n"); 864 EXPECT_FATAL_FAILURE(SUCCEED(), "Expected fatal failure."); 865 // Expected fatal failure, but got a non-fatal failure. 866 printf("(expecting 1 failure)\n"); 867 EXPECT_FATAL_FAILURE(AddFailure(NONFATAL_FAILURE), "Expected non-fatal " 868 "failure."); 869 // Wrong message. 870 printf("(expecting 1 failure)\n"); 871 EXPECT_FATAL_FAILURE(AddFailure(FATAL_FAILURE), "Some other fatal failure " 872 "expected."); 873 } 874 875 TEST_F(ExpectFailureTest, ExpectNonFatalFailure) { 876 // Expected non-fatal failure, but succeeds. 877 printf("(expecting 1 failure)\n"); 878 EXPECT_NONFATAL_FAILURE(SUCCEED(), "Expected non-fatal failure."); 879 // Expected non-fatal failure, but got a fatal failure. 880 printf("(expecting 1 failure)\n"); 881 EXPECT_NONFATAL_FAILURE(AddFailure(FATAL_FAILURE), "Expected fatal failure."); 882 // Wrong message. 883 printf("(expecting 1 failure)\n"); 884 EXPECT_NONFATAL_FAILURE(AddFailure(NONFATAL_FAILURE), "Some other non-fatal " 885 "failure."); 886 } 887 888 #if GTEST_IS_THREADSAFE 889 890 class ExpectFailureWithThreadsTest : public ExpectFailureTest { 891 protected: 892 static void AddFailureInOtherThread(FailureMode failure) { 893 ThreadWithParam<FailureMode> thread(&AddFailure, failure, NULL); 894 thread.Join(); 895 } 896 }; 897 898 TEST_F(ExpectFailureWithThreadsTest, ExpectFatalFailure) { 899 // We only intercept the current thread. 900 printf("(expecting 2 failures)\n"); 901 EXPECT_FATAL_FAILURE(AddFailureInOtherThread(FATAL_FAILURE), 902 "Expected fatal failure."); 903 } 904 905 TEST_F(ExpectFailureWithThreadsTest, ExpectNonFatalFailure) { 906 // We only intercept the current thread. 907 printf("(expecting 2 failures)\n"); 908 EXPECT_NONFATAL_FAILURE(AddFailureInOtherThread(NONFATAL_FAILURE), 909 "Expected non-fatal failure."); 910 } 911 912 typedef ExpectFailureWithThreadsTest ScopedFakeTestPartResultReporterTest; 913 914 // Tests that the ScopedFakeTestPartResultReporter only catches failures from 915 // the current thread if it is instantiated with INTERCEPT_ONLY_CURRENT_THREAD. 916 TEST_F(ScopedFakeTestPartResultReporterTest, InterceptOnlyCurrentThread) { 917 printf("(expecting 2 failures)\n"); 918 TestPartResultArray results; 919 { 920 ScopedFakeTestPartResultReporter reporter( 921 ScopedFakeTestPartResultReporter::INTERCEPT_ONLY_CURRENT_THREAD, 922 &results); 923 AddFailureInOtherThread(FATAL_FAILURE); 924 AddFailureInOtherThread(NONFATAL_FAILURE); 925 } 926 // The two failures should not have been intercepted. 927 EXPECT_EQ(0, results.size()) << "This shouldn't fail."; 928 } 929 930 #endif // GTEST_IS_THREADSAFE 931 932 TEST_F(ExpectFailureTest, ExpectFatalFailureOnAllThreads) { 933 // Expected fatal failure, but succeeds. 934 printf("(expecting 1 failure)\n"); 935 EXPECT_FATAL_FAILURE_ON_ALL_THREADS(SUCCEED(), "Expected fatal failure."); 936 // Expected fatal failure, but got a non-fatal failure. 937 printf("(expecting 1 failure)\n"); 938 EXPECT_FATAL_FAILURE_ON_ALL_THREADS(AddFailure(NONFATAL_FAILURE), 939 "Expected non-fatal failure."); 940 // Wrong message. 941 printf("(expecting 1 failure)\n"); 942 EXPECT_FATAL_FAILURE_ON_ALL_THREADS(AddFailure(FATAL_FAILURE), 943 "Some other fatal failure expected."); 944 } 945 946 TEST_F(ExpectFailureTest, ExpectNonFatalFailureOnAllThreads) { 947 // Expected non-fatal failure, but succeeds. 948 printf("(expecting 1 failure)\n"); 949 EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(SUCCEED(), "Expected non-fatal " 950 "failure."); 951 // Expected non-fatal failure, but got a fatal failure. 952 printf("(expecting 1 failure)\n"); 953 EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(AddFailure(FATAL_FAILURE), 954 "Expected fatal failure."); 955 // Wrong message. 956 printf("(expecting 1 failure)\n"); 957 EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(AddFailure(NONFATAL_FAILURE), 958 "Some other non-fatal failure."); 959 } 960 961 962 // Two test environments for testing testing::AddGlobalTestEnvironment(). 963 964 class FooEnvironment : public testing::Environment { 965 public: 966 virtual void SetUp() { 967 printf("%s", "FooEnvironment::SetUp() called.\n"); 968 } 969 970 virtual void TearDown() { 971 printf("%s", "FooEnvironment::TearDown() called.\n"); 972 FAIL() << "Expected fatal failure."; 973 } 974 }; 975 976 class BarEnvironment : public testing::Environment { 977 public: 978 virtual void SetUp() { 979 printf("%s", "BarEnvironment::SetUp() called.\n"); 980 } 981 982 virtual void TearDown() { 983 printf("%s", "BarEnvironment::TearDown() called.\n"); 984 ADD_FAILURE() << "Expected non-fatal failure."; 985 } 986 }; 987 988 bool GTEST_FLAG(internal_skip_environment_and_ad_hoc_tests) = false; 989 990 // The main function. 991 // 992 // The idea is to use Google Test to run all the tests we have defined (some 993 // of them are intended to fail), and then compare the test results 994 // with the "golden" file. 995 int main(int argc, char **argv) { 996 testing::GTEST_FLAG(print_time) = false; 997 998 // We just run the tests, knowing some of them are intended to fail. 999 // We will use a separate Python script to compare the output of 1000 // this program with the golden file. 1001 1002 // It's hard to test InitGoogleTest() directly, as it has many 1003 // global side effects. The following line serves as a sanity test 1004 // for it. 1005 testing::InitGoogleTest(&argc, argv); 1006 if (argc >= 2 && 1007 (std::string(argv[1]) == 1008 "--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 }