media/webrtc/trunk/testing/gtest/test/gtest_output_test_.cc

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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)
    38 #include "gtest/gtest-spi.h"
    39 #include "gtest/gtest.h"
    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_
    50 #include <stdlib.h>
    52 #if GTEST_IS_THREADSAFE
    53 using testing::ScopedFakeTestPartResultReporter;
    54 using testing::TestPartResultArray;
    56 using testing::internal::Notification;
    57 using testing::internal::ThreadWithParam;
    58 #endif
    60 namespace posix = ::testing::internal::posix;
    61 using testing::internal::String;
    62 using testing::internal::scoped_ptr;
    64 // Tests catching fatal failures.
    66 // A subroutine used by the following test.
    67 void TestEq1(int x) {
    68   ASSERT_EQ(1, x);
    69 }
    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);
    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;
    83   // If we get here, something is wrong.
    84   FAIL() << "This should never be reached.";
    85 }
    87 TEST(PassingTest, PassingTest1) {
    88 }
    90 TEST(PassingTest, PassingTest2) {
    91 }
    93 // Tests that parameters of failing parameterized tests are printed in the
    94 // failing test summary.
    95 class FailingParamTest : public testing::TestWithParam<int> {};
    97 TEST_P(FailingParamTest, Fails) {
    98   EXPECT_EQ(1, GetParam());
    99 }
   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));
   107 static const char kGoldenString[] = "\"Line\0 1\"\nLine 2";
   109 TEST(NonfatalFailureTest, EscapesStringOperands) {
   110   std::string actual = "actual \"string\"";
   111   EXPECT_EQ(kGoldenString, actual);
   113   const char* golden = kGoldenString;
   114   EXPECT_EQ(golden, actual);
   115 }
   117 // Tests catching a fatal failure in a subroutine.
   118 TEST(FatalFailureTest, FatalFailureInSubroutine) {
   119   printf("(expecting a failure that x should be 1)\n");
   121   TryTestSubroutine();
   122 }
   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");
   128   // Calls a subrountine that yields a fatal failure.
   129   TryTestSubroutine();
   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;
   137   // If we get here, something is wrong.
   138   FAIL() << "This should never be reached.";
   139 }
   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 }
   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   };
   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 }
   161 // Tests the SCOPED_TRACE macro.
   163 // A helper function for testing SCOPED_TRACE.
   164 void SubWithoutTrace(int n) {
   165   EXPECT_EQ(1, n);
   166   ASSERT_EQ(2, n);
   167 }
   169 // Another helper function for testing SCOPED_TRACE.
   170 void SubWithTrace(int n) {
   171   SCOPED_TRACE(testing::Message() << "n = " << n);
   173   SubWithoutTrace(n);
   174 }
   176 // Tests that SCOPED_TRACE() obeys lexical scopes.
   177 TEST(SCOPED_TRACETest, ObeysScopes) {
   178   printf("(expected to fail)\n");
   180   // There should be no trace before SCOPED_TRACE() is invoked.
   181   ADD_FAILURE() << "This failure is expected, and shouldn't have a trace.";
   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   }
   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 }
   195 // Tests that SCOPED_TRACE works inside a loop.
   196 TEST(SCOPED_TRACETest, WorksInLoop) {
   197   printf("(expected to fail)\n");
   199   for (int i = 1; i <= 2; i++) {
   200     SCOPED_TRACE(testing::Message() << "i = " << i);
   202     SubWithoutTrace(i);
   203   }
   204 }
   206 // Tests that SCOPED_TRACE works in a subroutine.
   207 TEST(SCOPED_TRACETest, WorksInSubroutine) {
   208   printf("(expected to fail)\n");
   210   SubWithTrace(1);
   211   SubWithTrace(2);
   212 }
   214 // Tests that SCOPED_TRACE can be nested.
   215 TEST(SCOPED_TRACETest, CanBeNested) {
   216   printf("(expected to fail)\n");
   218   SCOPED_TRACE("");  // A trace without a message.
   220   SubWithTrace(2);
   221 }
   223 // Tests that multiple SCOPED_TRACEs can be used in the same scope.
   224 TEST(SCOPED_TRACETest, CanBeRepeated) {
   225   printf("(expected to fail)\n");
   227   SCOPED_TRACE("A");
   228   ADD_FAILURE()
   229       << "This failure is expected, and should contain trace point A.";
   231   SCOPED_TRACE("B");
   232   ADD_FAILURE()
   233       << "This failure is expected, and should contain trace point A and B.";
   235   {
   236     SCOPED_TRACE("C");
   237     ADD_FAILURE() << "This failure is expected, and should "
   238                   << "contain trace point A, B, and C.";
   239   }
   241   SCOPED_TRACE("D");
   242   ADD_FAILURE() << "This failure is expected, and should "
   243                 << "contain trace point A, B, and D.";
   244 }
   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.
   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   |
   276 struct CheckPoints {
   277   Notification n1;
   278   Notification n2;
   279   Notification n3;
   280 };
   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();
   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 }
   298 TEST(SCOPED_TRACETest, WorksConcurrently) {
   299   printf("(expecting 6 failures)\n");
   301   CheckPoints check_points;
   302   ThreadWithParam<CheckPoints*> thread(&ThreadWithScopedTrace,
   303                                        &check_points,
   304                                        NULL);
   305   check_points.n1.WaitForNotification();
   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();
   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
   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 }
   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 }
   340 // Runs all TESTs, all TEST_Fs, and the ad hoc test.
   341 int RunAllTests() {
   342   AdHocTest();
   343   return RUN_ALL_TESTS();
   344 }
   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   }
   354   ~NonFatalFailureInFixtureConstructorTest() {
   355     ADD_FAILURE() << "Expected failure #5, in the test fixture d'tor.";
   356   }
   358   virtual void SetUp() {
   359     ADD_FAILURE() << "Expected failure #2, in SetUp().";
   360   }
   362   virtual void TearDown() {
   363     ADD_FAILURE() << "Expected failure #4, in TearDown.";
   364   }
   365 };
   367 TEST_F(NonFatalFailureInFixtureConstructorTest, FailureInConstructor) {
   368   ADD_FAILURE() << "Expected failure #3, in the test body.";
   369 }
   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   }
   379   ~FatalFailureInFixtureConstructorTest() {
   380     ADD_FAILURE() << "Expected failure #2, in the test fixture d'tor.";
   381   }
   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   }
   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   }
   395  private:
   396   void Init() {
   397     FAIL() << "Expected failure #1, in the test fixture c'tor.";
   398   }
   399 };
   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 }
   407 // Tests non-fatal failures in SetUp().
   408 class NonFatalFailureInSetUpTest : public testing::Test {
   409  protected:
   410   virtual ~NonFatalFailureInSetUpTest() {
   411     Deinit();
   412   }
   414   virtual void SetUp() {
   415     printf("(expecting 4 failures)\n");
   416     ADD_FAILURE() << "Expected failure #1, in SetUp().";
   417   }
   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 };
   428 TEST_F(NonFatalFailureInSetUpTest, FailureInSetUp) {
   429   FAIL() << "Expected failure #2, in the test function.";
   430 }
   432 // Tests fatal failures in SetUp().
   433 class FatalFailureInSetUpTest : public testing::Test {
   434  protected:
   435   virtual ~FatalFailureInSetUpTest() {
   436     Deinit();
   437   }
   439   virtual void SetUp() {
   440     printf("(expecting 3 failures)\n");
   441     FAIL() << "Expected failure #1, in SetUp().";
   442   }
   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 };
   453 TEST_F(FatalFailureInSetUpTest, FailureInSetUp) {
   454   FAIL() << "UNEXPECTED failure in the test function.  "
   455          << "We should never get here, as SetUp() failed.";
   456 }
   458 TEST(AddFailureAtTest, MessageContainsSpecifiedFileAndLineNumber) {
   459   ADD_FAILURE_AT("foo.cc", 42) << "Expected failure in foo.cc";
   460 }
   462 #if GTEST_IS_THREADSAFE
   464 // A unary function that may die.
   465 void DieIf(bool should_die) {
   466   GTEST_CHECK_(!should_die) << " - death inside DieIf().";
   467 }
   469 // Tests running death tests in a multi-threaded context.
   471 // Used for coordination between the main and the spawn thread.
   472 struct SpawnThreadNotifications {
   473   SpawnThreadNotifications() {}
   475   Notification spawn_thread_started;
   476   Notification spawn_thread_ok_to_terminate;
   478  private:
   479   GTEST_DISALLOW_COPY_AND_ASSIGN_(SpawnThreadNotifications);
   480 };
   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();
   488   // Waits for permission to finish from the main thread.
   489   notifications->spawn_thread_ok_to_terminate.WaitForNotification();
   490 }
   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, &notifications_, 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   }
   512  private:
   513   SpawnThreadNotifications notifications_;
   514   scoped_ptr<ThreadWithParam<SpawnThreadNotifications*> > thread_;
   515 };
   517 #endif  // GTEST_IS_THREADSAFE
   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.
   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.
   529 namespace foo {
   531 class MixedUpTestCaseTest : public testing::Test {
   532 };
   534 TEST_F(MixedUpTestCaseTest, FirstTestFromNamespaceFoo) {}
   535 TEST_F(MixedUpTestCaseTest, SecondTestFromNamespaceFoo) {}
   537 class MixedUpTestCaseWithSameTestNameTest : public testing::Test {
   538 };
   540 TEST_F(MixedUpTestCaseWithSameTestNameTest,
   541        TheSecondTestWithThisNameShouldFail) {}
   543 }  // namespace foo
   545 namespace bar {
   547 class MixedUpTestCaseTest : public testing::Test {
   548 };
   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) {}
   555 class MixedUpTestCaseWithSameTestNameTest : public testing::Test {
   556 };
   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) {}
   563 }  // namespace bar
   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.
   570 class TEST_F_before_TEST_in_same_test_case : public testing::Test {
   571 };
   573 TEST_F(TEST_F_before_TEST_in_same_test_case, DefinedUsingTEST_F) {}
   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) {}
   579 class TEST_before_TEST_F_in_same_test_case : public testing::Test {
   580 };
   582 TEST(TEST_before_TEST_F_in_same_test_case, DefinedUsingTEST) {}
   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 }
   589 // Used for testing EXPECT_NONFATAL_FAILURE() and EXPECT_FATAL_FAILURE().
   590 int global_integer = 0;
   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 }
   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 }
   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 }
   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 }
   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 }
   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 }
   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 }
   655 #if GTEST_HAS_EXCEPTIONS
   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 }
   669 #endif  // GTEST_HAS_EXCEPTIONS
   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 }
   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 }
   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 }
   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 }
   705 // A helper for generating a fatal failure.
   706 void FatalFailure() {
   707   FAIL() << "Expected fatal failure.";
   708 }
   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 }
   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 }
   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 }
   738 #if GTEST_HAS_EXCEPTIONS
   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 }
   752 #endif  // GTEST_HAS_EXCEPTIONS
   754 // This #ifdef block tests the output of typed tests.
   755 #if GTEST_HAS_TYPED_TEST
   757 template <typename T>
   758 class TypedTest : public testing::Test {
   759 };
   761 TYPED_TEST_CASE(TypedTest, testing::Types<int>);
   763 TYPED_TEST(TypedTest, Success) {
   764   EXPECT_EQ(0, TypeParam());
   765 }
   767 TYPED_TEST(TypedTest, Failure) {
   768   EXPECT_EQ(1, TypeParam()) << "Expected failure";
   769 }
   771 #endif  // GTEST_HAS_TYPED_TEST
   773 // This #ifdef block tests the output of type-parameterized tests.
   774 #if GTEST_HAS_TYPED_TEST_P
   776 template <typename T>
   777 class TypedTestP : public testing::Test {
   778 };
   780 TYPED_TEST_CASE_P(TypedTestP);
   782 TYPED_TEST_P(TypedTestP, Success) {
   783   EXPECT_EQ(0U, TypeParam());
   784 }
   786 TYPED_TEST_P(TypedTestP, Failure) {
   787   EXPECT_EQ(1U, TypeParam()) << "Expected failure";
   788 }
   790 REGISTER_TYPED_TEST_CASE_P(TypedTestP, Success, Failure);
   792 typedef testing::Types<unsigned char, unsigned int> UnsignedTypes;
   793 INSTANTIATE_TYPED_TEST_CASE_P(Unsigned, TypedTestP, UnsignedTypes);
   795 #endif  // GTEST_HAS_TYPED_TEST_P
   797 #if GTEST_HAS_DEATH_TEST
   799 // We rely on the golden file to verify that tests whose test case
   800 // name ends with DeathTest are run first.
   802 TEST(ADeathTest, ShouldRunFirst) {
   803 }
   805 # if GTEST_HAS_TYPED_TEST
   807 // We rely on the golden file to verify that typed tests whose test
   808 // case name ends with DeathTest are run first.
   810 template <typename T>
   811 class ATypedDeathTest : public testing::Test {
   812 };
   814 typedef testing::Types<int, double> NumericTypes;
   815 TYPED_TEST_CASE(ATypedDeathTest, NumericTypes);
   817 TYPED_TEST(ATypedDeathTest, ShouldRunFirst) {
   818 }
   820 # endif  // GTEST_HAS_TYPED_TEST
   822 # if GTEST_HAS_TYPED_TEST_P
   825 // We rely on the golden file to verify that type-parameterized tests
   826 // whose test case name ends with DeathTest are run first.
   828 template <typename T>
   829 class ATypeParamDeathTest : public testing::Test {
   830 };
   832 TYPED_TEST_CASE_P(ATypeParamDeathTest);
   834 TYPED_TEST_P(ATypeParamDeathTest, ShouldRunFirst) {
   835 }
   837 REGISTER_TYPED_TEST_CASE_P(ATypeParamDeathTest, ShouldRunFirst);
   839 INSTANTIATE_TYPED_TEST_CASE_P(My, ATypeParamDeathTest, NumericTypes);
   841 # endif  // GTEST_HAS_TYPED_TEST_P
   843 #endif  // GTEST_HAS_DEATH_TEST
   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 };
   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 }
   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 }
   889 #if GTEST_IS_THREADSAFE
   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 };
   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 }
   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 }
   913 typedef ExpectFailureWithThreadsTest ScopedFakeTestPartResultReporterTest;
   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 }
   931 #endif  // GTEST_IS_THREADSAFE
   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 }
   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 }
   963 // Two test environments for testing testing::AddGlobalTestEnvironment().
   965 class FooEnvironment : public testing::Environment {
   966  public:
   967   virtual void SetUp() {
   968     printf("%s", "FooEnvironment::SetUp() called.\n");
   969   }
   971   virtual void TearDown() {
   972     printf("%s", "FooEnvironment::TearDown() called.\n");
   973     FAIL() << "Expected fatal failure.";
   974   }
   975 };
   977 class BarEnvironment : public testing::Environment {
   978  public:
   979   virtual void SetUp() {
   980     printf("%s", "BarEnvironment::SetUp() called.\n");
   981   }
   983   virtual void TearDown() {
   984     printf("%s", "BarEnvironment::TearDown() called.\n");
   985     ADD_FAILURE() << "Expected non-fatal failure.";
   986   }
   987 };
   989 bool GTEST_FLAG(internal_skip_environment_and_ad_hoc_tests) = false;
   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;
   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.
  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;
  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();
  1022 #endif  // GTEST_HAS_DEATH_TEST
  1024   if (GTEST_FLAG(internal_skip_environment_and_ad_hoc_tests))
  1025     return RUN_ALL_TESTS();
  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);
  1033   return RunAllTests();

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