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google/googletest/dist/googletest/test/googletest-output-test_.cc
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// Copyright 2005, Google Inc. | |||||
// All rights reserved. | |||||
// | |||||
// Redistribution and use in source and binary forms, with or without | |||||
// modification, are permitted provided that the following conditions are | |||||
// met: | |||||
// | |||||
// * Redistributions of source code must retain the above copyright | |||||
// notice, this list of conditions and the following disclaimer. | |||||
// * Redistributions in binary form must reproduce the above | |||||
// copyright notice, this list of conditions and the following disclaimer | |||||
// in the documentation and/or other materials provided with the | |||||
// distribution. | |||||
// * Neither the name of Google Inc. nor the names of its | |||||
// contributors may be used to endorse or promote products derived from | |||||
// this software without specific prior written permission. | |||||
// | |||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |||||
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |||||
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |||||
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |||||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |||||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |||||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |||||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |||||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |||||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||||
// | |||||
// The purpose of this file is to generate Google Test output under | |||||
// various conditions. The output will then be verified by | |||||
// googletest-output-test.py to ensure that Google Test generates the | |||||
// desired messages. Therefore, most tests in this file are MEANT TO | |||||
// FAIL. | |||||
#include "gtest/gtest-spi.h" | |||||
#include "gtest/gtest.h" | |||||
#include "src/gtest-internal-inl.h" | |||||
#include <stdlib.h> | |||||
#if _MSC_VER | |||||
GTEST_DISABLE_MSC_WARNINGS_PUSH_(4127 /* conditional expression is constant */) | |||||
#endif // _MSC_VER | |||||
#if GTEST_IS_THREADSAFE | |||||
using testing::ScopedFakeTestPartResultReporter; | |||||
using testing::TestPartResultArray; | |||||
using testing::internal::Notification; | |||||
using testing::internal::ThreadWithParam; | |||||
#endif | |||||
namespace posix = ::testing::internal::posix; | |||||
// Tests catching fatal failures. | |||||
// A subroutine used by the following test. | |||||
void TestEq1(int x) { | |||||
ASSERT_EQ(1, x); | |||||
} | |||||
// This function calls a test subroutine, catches the fatal failure it | |||||
// generates, and then returns early. | |||||
void TryTestSubroutine() { | |||||
// Calls a subrountine that yields a fatal failure. | |||||
TestEq1(2); | |||||
// Catches the fatal failure and aborts the test. | |||||
// | |||||
// The testing::Test:: prefix is necessary when calling | |||||
// HasFatalFailure() outside of a TEST, TEST_F, or test fixture. | |||||
if (testing::Test::HasFatalFailure()) return; | |||||
// If we get here, something is wrong. | |||||
FAIL() << "This should never be reached."; | |||||
} | |||||
TEST(PassingTest, PassingTest1) { | |||||
} | |||||
TEST(PassingTest, PassingTest2) { | |||||
} | |||||
// Tests that parameters of failing parameterized tests are printed in the | |||||
// failing test summary. | |||||
class FailingParamTest : public testing::TestWithParam<int> {}; | |||||
TEST_P(FailingParamTest, Fails) { | |||||
EXPECT_EQ(1, GetParam()); | |||||
} | |||||
// This generates a test which will fail. Google Test is expected to print | |||||
// its parameter when it outputs the list of all failed tests. | |||||
INSTANTIATE_TEST_CASE_P(PrintingFailingParams, | |||||
FailingParamTest, | |||||
testing::Values(2)); | |||||
static const char kGoldenString[] = "\"Line\0 1\"\nLine 2"; | |||||
TEST(NonfatalFailureTest, EscapesStringOperands) { | |||||
std::string actual = "actual \"string\""; | |||||
EXPECT_EQ(kGoldenString, actual); | |||||
const char* golden = kGoldenString; | |||||
EXPECT_EQ(golden, actual); | |||||
} | |||||
TEST(NonfatalFailureTest, DiffForLongStrings) { | |||||
std::string golden_str(kGoldenString, sizeof(kGoldenString) - 1); | |||||
EXPECT_EQ(golden_str, "Line 2"); | |||||
} | |||||
// Tests catching a fatal failure in a subroutine. | |||||
TEST(FatalFailureTest, FatalFailureInSubroutine) { | |||||
printf("(expecting a failure that x should be 1)\n"); | |||||
TryTestSubroutine(); | |||||
} | |||||
// Tests catching a fatal failure in a nested subroutine. | |||||
TEST(FatalFailureTest, FatalFailureInNestedSubroutine) { | |||||
printf("(expecting a failure that x should be 1)\n"); | |||||
// Calls a subrountine that yields a fatal failure. | |||||
TryTestSubroutine(); | |||||
// Catches the fatal failure and aborts the test. | |||||
// | |||||
// When calling HasFatalFailure() inside a TEST, TEST_F, or test | |||||
// fixture, the testing::Test:: prefix is not needed. | |||||
if (HasFatalFailure()) return; | |||||
// If we get here, something is wrong. | |||||
FAIL() << "This should never be reached."; | |||||
} | |||||
// Tests HasFatalFailure() after a failed EXPECT check. | |||||
TEST(FatalFailureTest, NonfatalFailureInSubroutine) { | |||||
printf("(expecting a failure on false)\n"); | |||||
EXPECT_TRUE(false); // Generates a nonfatal failure | |||||
ASSERT_FALSE(HasFatalFailure()); // This should succeed. | |||||
} | |||||
// Tests interleaving user logging and Google Test assertions. | |||||
TEST(LoggingTest, InterleavingLoggingAndAssertions) { | |||||
static const int a[4] = { | |||||
3, 9, 2, 6 | |||||
}; | |||||
printf("(expecting 2 failures on (3) >= (a[i]))\n"); | |||||
for (int i = 0; i < static_cast<int>(sizeof(a)/sizeof(*a)); i++) { | |||||
printf("i == %d\n", i); | |||||
EXPECT_GE(3, a[i]); | |||||
} | |||||
} | |||||
// Tests the SCOPED_TRACE macro. | |||||
// A helper function for testing SCOPED_TRACE. | |||||
void SubWithoutTrace(int n) { | |||||
EXPECT_EQ(1, n); | |||||
ASSERT_EQ(2, n); | |||||
} | |||||
// Another helper function for testing SCOPED_TRACE. | |||||
void SubWithTrace(int n) { | |||||
SCOPED_TRACE(testing::Message() << "n = " << n); | |||||
SubWithoutTrace(n); | |||||
} | |||||
TEST(SCOPED_TRACETest, AcceptedValues) { | |||||
SCOPED_TRACE("literal string"); | |||||
SCOPED_TRACE(std::string("std::string")); | |||||
SCOPED_TRACE(1337); // streamable type | |||||
const char* null_value = NULL; | |||||
SCOPED_TRACE(null_value); | |||||
ADD_FAILURE() << "Just checking that all these values work fine."; | |||||
} | |||||
// Tests that SCOPED_TRACE() obeys lexical scopes. | |||||
TEST(SCOPED_TRACETest, ObeysScopes) { | |||||
printf("(expected to fail)\n"); | |||||
// There should be no trace before SCOPED_TRACE() is invoked. | |||||
ADD_FAILURE() << "This failure is expected, and shouldn't have a trace."; | |||||
{ | |||||
SCOPED_TRACE("Expected trace"); | |||||
// After SCOPED_TRACE(), a failure in the current scope should contain | |||||
// the trace. | |||||
ADD_FAILURE() << "This failure is expected, and should have a trace."; | |||||
} | |||||
// Once the control leaves the scope of the SCOPED_TRACE(), there | |||||
// should be no trace again. | |||||
ADD_FAILURE() << "This failure is expected, and shouldn't have a trace."; | |||||
} | |||||
// Tests that SCOPED_TRACE works inside a loop. | |||||
TEST(SCOPED_TRACETest, WorksInLoop) { | |||||
printf("(expected to fail)\n"); | |||||
for (int i = 1; i <= 2; i++) { | |||||
SCOPED_TRACE(testing::Message() << "i = " << i); | |||||
SubWithoutTrace(i); | |||||
} | |||||
} | |||||
// Tests that SCOPED_TRACE works in a subroutine. | |||||
TEST(SCOPED_TRACETest, WorksInSubroutine) { | |||||
printf("(expected to fail)\n"); | |||||
SubWithTrace(1); | |||||
SubWithTrace(2); | |||||
} | |||||
// Tests that SCOPED_TRACE can be nested. | |||||
TEST(SCOPED_TRACETest, CanBeNested) { | |||||
printf("(expected to fail)\n"); | |||||
SCOPED_TRACE(""); // A trace without a message. | |||||
SubWithTrace(2); | |||||
} | |||||
// Tests that multiple SCOPED_TRACEs can be used in the same scope. | |||||
TEST(SCOPED_TRACETest, CanBeRepeated) { | |||||
printf("(expected to fail)\n"); | |||||
SCOPED_TRACE("A"); | |||||
ADD_FAILURE() | |||||
<< "This failure is expected, and should contain trace point A."; | |||||
SCOPED_TRACE("B"); | |||||
ADD_FAILURE() | |||||
<< "This failure is expected, and should contain trace point A and B."; | |||||
{ | |||||
SCOPED_TRACE("C"); | |||||
ADD_FAILURE() << "This failure is expected, and should " | |||||
<< "contain trace point A, B, and C."; | |||||
} | |||||
SCOPED_TRACE("D"); | |||||
ADD_FAILURE() << "This failure is expected, and should " | |||||
<< "contain trace point A, B, and D."; | |||||
} | |||||
#if GTEST_IS_THREADSAFE | |||||
// Tests that SCOPED_TRACE()s can be used concurrently from multiple | |||||
// threads. Namely, an assertion should be affected by | |||||
// SCOPED_TRACE()s in its own thread only. | |||||
// Here's the sequence of actions that happen in the test: | |||||
// | |||||
// Thread A (main) | Thread B (spawned) | |||||
// ===============================|================================ | |||||
// spawns thread B | | |||||
// -------------------------------+-------------------------------- | |||||
// waits for n1 | SCOPED_TRACE("Trace B"); | |||||
// | generates failure #1 | |||||
// | notifies n1 | |||||
// -------------------------------+-------------------------------- | |||||
// SCOPED_TRACE("Trace A"); | waits for n2 | |||||
// generates failure #2 | | |||||
// notifies n2 | | |||||
// -------------------------------|-------------------------------- | |||||
// waits for n3 | generates failure #3 | |||||
// | trace B dies | |||||
// | generates failure #4 | |||||
// | notifies n3 | |||||
// -------------------------------|-------------------------------- | |||||
// generates failure #5 | finishes | |||||
// trace A dies | | |||||
// generates failure #6 | | |||||
// -------------------------------|-------------------------------- | |||||
// waits for thread B to finish | | |||||
struct CheckPoints { | |||||
Notification n1; | |||||
Notification n2; | |||||
Notification n3; | |||||
}; | |||||
static void ThreadWithScopedTrace(CheckPoints* check_points) { | |||||
{ | |||||
SCOPED_TRACE("Trace B"); | |||||
ADD_FAILURE() | |||||
<< "Expected failure #1 (in thread B, only trace B alive)."; | |||||
check_points->n1.Notify(); | |||||
check_points->n2.WaitForNotification(); | |||||
ADD_FAILURE() | |||||
<< "Expected failure #3 (in thread B, trace A & B both alive)."; | |||||
} // Trace B dies here. | |||||
ADD_FAILURE() | |||||
<< "Expected failure #4 (in thread B, only trace A alive)."; | |||||
check_points->n3.Notify(); | |||||
} | |||||
TEST(SCOPED_TRACETest, WorksConcurrently) { | |||||
printf("(expecting 6 failures)\n"); | |||||
CheckPoints check_points; | |||||
ThreadWithParam<CheckPoints*> thread(&ThreadWithScopedTrace, | |||||
&check_points, | |||||
NULL); | |||||
check_points.n1.WaitForNotification(); | |||||
{ | |||||
SCOPED_TRACE("Trace A"); | |||||
ADD_FAILURE() | |||||
<< "Expected failure #2 (in thread A, trace A & B both alive)."; | |||||
check_points.n2.Notify(); | |||||
check_points.n3.WaitForNotification(); | |||||
ADD_FAILURE() | |||||
<< "Expected failure #5 (in thread A, only trace A alive)."; | |||||
} // Trace A dies here. | |||||
ADD_FAILURE() | |||||
<< "Expected failure #6 (in thread A, no trace alive)."; | |||||
thread.Join(); | |||||
} | |||||
#endif // GTEST_IS_THREADSAFE | |||||
// Tests basic functionality of the ScopedTrace utility (most of its features | |||||
// are already tested in SCOPED_TRACETest). | |||||
TEST(ScopedTraceTest, WithExplicitFileAndLine) { | |||||
testing::ScopedTrace trace("explicit_file.cc", 123, "expected trace message"); | |||||
ADD_FAILURE() << "Check that the trace is attached to a particular location."; | |||||
} | |||||
TEST(DisabledTestsWarningTest, | |||||
DISABLED_AlsoRunDisabledTestsFlagSuppressesWarning) { | |||||
// This test body is intentionally empty. Its sole purpose is for | |||||
// verifying that the --gtest_also_run_disabled_tests flag | |||||
// suppresses the "YOU HAVE 12 DISABLED TESTS" warning at the end of | |||||
// the test output. | |||||
} | |||||
// Tests using assertions outside of TEST and TEST_F. | |||||
// | |||||
// This function creates two failures intentionally. | |||||
void AdHocTest() { | |||||
printf("The non-test part of the code is expected to have 2 failures.\n\n"); | |||||
EXPECT_TRUE(false); | |||||
EXPECT_EQ(2, 3); | |||||
} | |||||
// Runs all TESTs, all TEST_Fs, and the ad hoc test. | |||||
int RunAllTests() { | |||||
AdHocTest(); | |||||
return RUN_ALL_TESTS(); | |||||
} | |||||
// Tests non-fatal failures in the fixture constructor. | |||||
class NonFatalFailureInFixtureConstructorTest : public testing::Test { | |||||
protected: | |||||
NonFatalFailureInFixtureConstructorTest() { | |||||
printf("(expecting 5 failures)\n"); | |||||
ADD_FAILURE() << "Expected failure #1, in the test fixture c'tor."; | |||||
} | |||||
~NonFatalFailureInFixtureConstructorTest() { | |||||
ADD_FAILURE() << "Expected failure #5, in the test fixture d'tor."; | |||||
} | |||||
virtual void SetUp() { | |||||
ADD_FAILURE() << "Expected failure #2, in SetUp()."; | |||||
} | |||||
virtual void TearDown() { | |||||
ADD_FAILURE() << "Expected failure #4, in TearDown."; | |||||
} | |||||
}; | |||||
TEST_F(NonFatalFailureInFixtureConstructorTest, FailureInConstructor) { | |||||
ADD_FAILURE() << "Expected failure #3, in the test body."; | |||||
} | |||||
// Tests fatal failures in the fixture constructor. | |||||
class FatalFailureInFixtureConstructorTest : public testing::Test { | |||||
protected: | |||||
FatalFailureInFixtureConstructorTest() { | |||||
printf("(expecting 2 failures)\n"); | |||||
Init(); | |||||
} | |||||
~FatalFailureInFixtureConstructorTest() { | |||||
ADD_FAILURE() << "Expected failure #2, in the test fixture d'tor."; | |||||
} | |||||
virtual void SetUp() { | |||||
ADD_FAILURE() << "UNEXPECTED failure in SetUp(). " | |||||
<< "We should never get here, as the test fixture c'tor " | |||||
<< "had a fatal failure."; | |||||
} | |||||
virtual void TearDown() { | |||||
ADD_FAILURE() << "UNEXPECTED failure in TearDown(). " | |||||
<< "We should never get here, as the test fixture c'tor " | |||||
<< "had a fatal failure."; | |||||
} | |||||
private: | |||||
void Init() { | |||||
FAIL() << "Expected failure #1, in the test fixture c'tor."; | |||||
} | |||||
}; | |||||
TEST_F(FatalFailureInFixtureConstructorTest, FailureInConstructor) { | |||||
ADD_FAILURE() << "UNEXPECTED failure in the test body. " | |||||
<< "We should never get here, as the test fixture c'tor " | |||||
<< "had a fatal failure."; | |||||
} | |||||
// Tests non-fatal failures in SetUp(). | |||||
class NonFatalFailureInSetUpTest : public testing::Test { | |||||
protected: | |||||
virtual ~NonFatalFailureInSetUpTest() { | |||||
Deinit(); | |||||
} | |||||
virtual void SetUp() { | |||||
printf("(expecting 4 failures)\n"); | |||||
ADD_FAILURE() << "Expected failure #1, in SetUp()."; | |||||
} | |||||
virtual void TearDown() { | |||||
FAIL() << "Expected failure #3, in TearDown()."; | |||||
} | |||||
private: | |||||
void Deinit() { | |||||
FAIL() << "Expected failure #4, in the test fixture d'tor."; | |||||
} | |||||
}; | |||||
TEST_F(NonFatalFailureInSetUpTest, FailureInSetUp) { | |||||
FAIL() << "Expected failure #2, in the test function."; | |||||
} | |||||
// Tests fatal failures in SetUp(). | |||||
class FatalFailureInSetUpTest : public testing::Test { | |||||
protected: | |||||
virtual ~FatalFailureInSetUpTest() { | |||||
Deinit(); | |||||
} | |||||
virtual void SetUp() { | |||||
printf("(expecting 3 failures)\n"); | |||||
FAIL() << "Expected failure #1, in SetUp()."; | |||||
} | |||||
virtual void TearDown() { | |||||
FAIL() << "Expected failure #2, in TearDown()."; | |||||
} | |||||
private: | |||||
void Deinit() { | |||||
FAIL() << "Expected failure #3, in the test fixture d'tor."; | |||||
} | |||||
}; | |||||
TEST_F(FatalFailureInSetUpTest, FailureInSetUp) { | |||||
FAIL() << "UNEXPECTED failure in the test function. " | |||||
<< "We should never get here, as SetUp() failed."; | |||||
} | |||||
TEST(AddFailureAtTest, MessageContainsSpecifiedFileAndLineNumber) { | |||||
ADD_FAILURE_AT("foo.cc", 42) << "Expected failure in foo.cc"; | |||||
} | |||||
#if GTEST_IS_THREADSAFE | |||||
// A unary function that may die. | |||||
void DieIf(bool should_die) { | |||||
GTEST_CHECK_(!should_die) << " - death inside DieIf()."; | |||||
} | |||||
// Tests running death tests in a multi-threaded context. | |||||
// Used for coordination between the main and the spawn thread. | |||||
struct SpawnThreadNotifications { | |||||
SpawnThreadNotifications() {} | |||||
Notification spawn_thread_started; | |||||
Notification spawn_thread_ok_to_terminate; | |||||
private: | |||||
GTEST_DISALLOW_COPY_AND_ASSIGN_(SpawnThreadNotifications); | |||||
}; | |||||
// The function to be executed in the thread spawn by the | |||||
// MultipleThreads test (below). | |||||
static void ThreadRoutine(SpawnThreadNotifications* notifications) { | |||||
// Signals the main thread that this thread has started. | |||||
notifications->spawn_thread_started.Notify(); | |||||
// Waits for permission to finish from the main thread. | |||||
notifications->spawn_thread_ok_to_terminate.WaitForNotification(); | |||||
} | |||||
// This is a death-test test, but it's not named with a DeathTest | |||||
// suffix. It starts threads which might interfere with later | |||||
// death tests, so it must run after all other death tests. | |||||
class DeathTestAndMultiThreadsTest : public testing::Test { | |||||
protected: | |||||
// Starts a thread and waits for it to begin. | |||||
virtual void SetUp() { | |||||
thread_.reset(new ThreadWithParam<SpawnThreadNotifications*>( | |||||
&ThreadRoutine, ¬ifications_, NULL)); | |||||
notifications_.spawn_thread_started.WaitForNotification(); | |||||
} | |||||
// Tells the thread to finish, and reaps it. | |||||
// Depending on the version of the thread library in use, | |||||
// a manager thread might still be left running that will interfere | |||||
// with later death tests. This is unfortunate, but this class | |||||
// cleans up after itself as best it can. | |||||
virtual void TearDown() { | |||||
notifications_.spawn_thread_ok_to_terminate.Notify(); | |||||
} | |||||
private: | |||||
SpawnThreadNotifications notifications_; | |||||
testing::internal::scoped_ptr<ThreadWithParam<SpawnThreadNotifications*> > | |||||
thread_; | |||||
}; | |||||
#endif // GTEST_IS_THREADSAFE | |||||
// The MixedUpTestCaseTest test case verifies that Google Test will fail a | |||||
// test if it uses a different fixture class than what other tests in | |||||
// the same test case use. It deliberately contains two fixture | |||||
// classes with the same name but defined in different namespaces. | |||||
// The MixedUpTestCaseWithSameTestNameTest test case verifies that | |||||
// when the user defines two tests with the same test case name AND | |||||
// same test name (but in different namespaces), the second test will | |||||
// fail. | |||||
namespace foo { | |||||
class MixedUpTestCaseTest : public testing::Test { | |||||
}; | |||||
TEST_F(MixedUpTestCaseTest, FirstTestFromNamespaceFoo) {} | |||||
TEST_F(MixedUpTestCaseTest, SecondTestFromNamespaceFoo) {} | |||||
class MixedUpTestCaseWithSameTestNameTest : public testing::Test { | |||||
}; | |||||
TEST_F(MixedUpTestCaseWithSameTestNameTest, | |||||
TheSecondTestWithThisNameShouldFail) {} | |||||
} // namespace foo | |||||
namespace bar { | |||||
class MixedUpTestCaseTest : public testing::Test { | |||||
}; | |||||
// The following two tests are expected to fail. We rely on the | |||||
// golden file to check that Google Test generates the right error message. | |||||
TEST_F(MixedUpTestCaseTest, ThisShouldFail) {} | |||||
TEST_F(MixedUpTestCaseTest, ThisShouldFailToo) {} | |||||
class MixedUpTestCaseWithSameTestNameTest : public testing::Test { | |||||
}; | |||||
// Expected to fail. We rely on the golden file to check that Google Test | |||||
// generates the right error message. | |||||
TEST_F(MixedUpTestCaseWithSameTestNameTest, | |||||
TheSecondTestWithThisNameShouldFail) {} | |||||
} // namespace bar | |||||
// The following two test cases verify that Google Test catches the user | |||||
// error of mixing TEST and TEST_F in the same test case. The first | |||||
// test case checks the scenario where TEST_F appears before TEST, and | |||||
// the second one checks where TEST appears before TEST_F. | |||||
class TEST_F_before_TEST_in_same_test_case : public testing::Test { | |||||
}; | |||||
TEST_F(TEST_F_before_TEST_in_same_test_case, DefinedUsingTEST_F) {} | |||||
// Expected to fail. We rely on the golden file to check that Google Test | |||||
// generates the right error message. | |||||
TEST(TEST_F_before_TEST_in_same_test_case, DefinedUsingTESTAndShouldFail) {} | |||||
class TEST_before_TEST_F_in_same_test_case : public testing::Test { | |||||
}; | |||||
TEST(TEST_before_TEST_F_in_same_test_case, DefinedUsingTEST) {} | |||||
// Expected to fail. We rely on the golden file to check that Google Test | |||||
// generates the right error message. | |||||
TEST_F(TEST_before_TEST_F_in_same_test_case, DefinedUsingTEST_FAndShouldFail) { | |||||
} | |||||
// Used for testing EXPECT_NONFATAL_FAILURE() and EXPECT_FATAL_FAILURE(). | |||||
int global_integer = 0; | |||||
// Tests that EXPECT_NONFATAL_FAILURE() can reference global variables. | |||||
TEST(ExpectNonfatalFailureTest, CanReferenceGlobalVariables) { | |||||
global_integer = 0; | |||||
EXPECT_NONFATAL_FAILURE({ | |||||
EXPECT_EQ(1, global_integer) << "Expected non-fatal failure."; | |||||
}, "Expected non-fatal failure."); | |||||
} | |||||
// Tests that EXPECT_NONFATAL_FAILURE() can reference local variables | |||||
// (static or not). | |||||
TEST(ExpectNonfatalFailureTest, CanReferenceLocalVariables) { | |||||
int m = 0; | |||||
static int n; | |||||
n = 1; | |||||
EXPECT_NONFATAL_FAILURE({ | |||||
EXPECT_EQ(m, n) << "Expected non-fatal failure."; | |||||
}, "Expected non-fatal failure."); | |||||
} | |||||
// Tests that EXPECT_NONFATAL_FAILURE() succeeds when there is exactly | |||||
// one non-fatal failure and no fatal failure. | |||||
TEST(ExpectNonfatalFailureTest, SucceedsWhenThereIsOneNonfatalFailure) { | |||||
EXPECT_NONFATAL_FAILURE({ | |||||
ADD_FAILURE() << "Expected non-fatal failure."; | |||||
}, "Expected non-fatal failure."); | |||||
} | |||||
// Tests that EXPECT_NONFATAL_FAILURE() fails when there is no | |||||
// non-fatal failure. | |||||
TEST(ExpectNonfatalFailureTest, FailsWhenThereIsNoNonfatalFailure) { | |||||
printf("(expecting a failure)\n"); | |||||
EXPECT_NONFATAL_FAILURE({ | |||||
}, ""); | |||||
} | |||||
// Tests that EXPECT_NONFATAL_FAILURE() fails when there are two | |||||
// non-fatal failures. | |||||
TEST(ExpectNonfatalFailureTest, FailsWhenThereAreTwoNonfatalFailures) { | |||||
printf("(expecting a failure)\n"); | |||||
EXPECT_NONFATAL_FAILURE({ | |||||
ADD_FAILURE() << "Expected non-fatal failure 1."; | |||||
ADD_FAILURE() << "Expected non-fatal failure 2."; | |||||
}, ""); | |||||
} | |||||
// Tests that EXPECT_NONFATAL_FAILURE() fails when there is one fatal | |||||
// failure. | |||||
TEST(ExpectNonfatalFailureTest, FailsWhenThereIsOneFatalFailure) { | |||||
printf("(expecting a failure)\n"); | |||||
EXPECT_NONFATAL_FAILURE({ | |||||
FAIL() << "Expected fatal failure."; | |||||
}, ""); | |||||
} | |||||
// Tests that EXPECT_NONFATAL_FAILURE() fails when the statement being | |||||
// tested returns. | |||||
TEST(ExpectNonfatalFailureTest, FailsWhenStatementReturns) { | |||||
printf("(expecting a failure)\n"); | |||||
EXPECT_NONFATAL_FAILURE({ | |||||
return; | |||||
}, ""); | |||||
} | |||||
#if GTEST_HAS_EXCEPTIONS | |||||
// Tests that EXPECT_NONFATAL_FAILURE() fails when the statement being | |||||
// tested throws. | |||||
TEST(ExpectNonfatalFailureTest, FailsWhenStatementThrows) { | |||||
printf("(expecting a failure)\n"); | |||||
try { | |||||
EXPECT_NONFATAL_FAILURE({ | |||||
throw 0; | |||||
}, ""); | |||||
} catch(int) { // NOLINT | |||||
} | |||||
} | |||||
#endif // GTEST_HAS_EXCEPTIONS | |||||
// Tests that EXPECT_FATAL_FAILURE() can reference global variables. | |||||
TEST(ExpectFatalFailureTest, CanReferenceGlobalVariables) { | |||||
global_integer = 0; | |||||
EXPECT_FATAL_FAILURE({ | |||||
ASSERT_EQ(1, global_integer) << "Expected fatal failure."; | |||||
}, "Expected fatal failure."); | |||||
} | |||||
// Tests that EXPECT_FATAL_FAILURE() can reference local static | |||||
// variables. | |||||
TEST(ExpectFatalFailureTest, CanReferenceLocalStaticVariables) { | |||||
static int n; | |||||
n = 1; | |||||
EXPECT_FATAL_FAILURE({ | |||||
ASSERT_EQ(0, n) << "Expected fatal failure."; | |||||
}, "Expected fatal failure."); | |||||
} | |||||
// Tests that EXPECT_FATAL_FAILURE() succeeds when there is exactly | |||||
// one fatal failure and no non-fatal failure. | |||||
TEST(ExpectFatalFailureTest, SucceedsWhenThereIsOneFatalFailure) { | |||||
EXPECT_FATAL_FAILURE({ | |||||
FAIL() << "Expected fatal failure."; | |||||
}, "Expected fatal failure."); | |||||
} | |||||
// Tests that EXPECT_FATAL_FAILURE() fails when there is no fatal | |||||
// failure. | |||||
TEST(ExpectFatalFailureTest, FailsWhenThereIsNoFatalFailure) { | |||||
printf("(expecting a failure)\n"); | |||||
EXPECT_FATAL_FAILURE({ | |||||
}, ""); | |||||
} | |||||
// A helper for generating a fatal failure. | |||||
void FatalFailure() { | |||||
FAIL() << "Expected fatal failure."; | |||||
} | |||||
// Tests that EXPECT_FATAL_FAILURE() fails when there are two | |||||
// fatal failures. | |||||
TEST(ExpectFatalFailureTest, FailsWhenThereAreTwoFatalFailures) { | |||||
printf("(expecting a failure)\n"); | |||||
EXPECT_FATAL_FAILURE({ | |||||
FatalFailure(); | |||||
FatalFailure(); | |||||
}, ""); | |||||
} | |||||
// Tests that EXPECT_FATAL_FAILURE() fails when there is one non-fatal | |||||
// failure. | |||||
TEST(ExpectFatalFailureTest, FailsWhenThereIsOneNonfatalFailure) { | |||||
printf("(expecting a failure)\n"); | |||||
EXPECT_FATAL_FAILURE({ | |||||
ADD_FAILURE() << "Expected non-fatal failure."; | |||||
}, ""); | |||||
} | |||||
// Tests that EXPECT_FATAL_FAILURE() fails when the statement being | |||||
// tested returns. | |||||
TEST(ExpectFatalFailureTest, FailsWhenStatementReturns) { | |||||
printf("(expecting a failure)\n"); | |||||
EXPECT_FATAL_FAILURE({ | |||||
return; | |||||
}, ""); | |||||
} | |||||
#if GTEST_HAS_EXCEPTIONS | |||||
// Tests that EXPECT_FATAL_FAILURE() fails when the statement being | |||||
// tested throws. | |||||
TEST(ExpectFatalFailureTest, FailsWhenStatementThrows) { | |||||
printf("(expecting a failure)\n"); | |||||
try { | |||||
EXPECT_FATAL_FAILURE({ | |||||
throw 0; | |||||
}, ""); | |||||
} catch(int) { // NOLINT | |||||
} | |||||
} | |||||
#endif // GTEST_HAS_EXCEPTIONS | |||||
// This #ifdef block tests the output of value-parameterized tests. | |||||
std::string ParamNameFunc(const testing::TestParamInfo<std::string>& info) { | |||||
return info.param; | |||||
} | |||||
class ParamTest : public testing::TestWithParam<std::string> { | |||||
}; | |||||
TEST_P(ParamTest, Success) { | |||||
EXPECT_EQ("a", GetParam()); | |||||
} | |||||
TEST_P(ParamTest, Failure) { | |||||
EXPECT_EQ("b", GetParam()) << "Expected failure"; | |||||
} | |||||
INSTANTIATE_TEST_CASE_P(PrintingStrings, | |||||
ParamTest, | |||||
testing::Values(std::string("a")), | |||||
ParamNameFunc); | |||||
// This #ifdef block tests the output of typed tests. | |||||
#if GTEST_HAS_TYPED_TEST | |||||
template <typename T> | |||||
class TypedTest : public testing::Test { | |||||
}; | |||||
TYPED_TEST_CASE(TypedTest, testing::Types<int>); | |||||
TYPED_TEST(TypedTest, Success) { | |||||
EXPECT_EQ(0, TypeParam()); | |||||
} | |||||
TYPED_TEST(TypedTest, Failure) { | |||||
EXPECT_EQ(1, TypeParam()) << "Expected failure"; | |||||
} | |||||
typedef testing::Types<char, int> TypesForTestWithNames; | |||||
template <typename T> | |||||
class TypedTestWithNames : public testing::Test {}; | |||||
class TypedTestNames { | |||||
public: | |||||
template <typename T> | |||||
static std::string GetName(int i) { | |||||
if (testing::internal::IsSame<T, char>::value) | |||||
return std::string("char") + ::testing::PrintToString(i); | |||||
if (testing::internal::IsSame<T, int>::value) | |||||
return std::string("int") + ::testing::PrintToString(i); | |||||
} | |||||
}; | |||||
TYPED_TEST_CASE(TypedTestWithNames, TypesForTestWithNames, TypedTestNames); | |||||
TYPED_TEST(TypedTestWithNames, Success) {} | |||||
TYPED_TEST(TypedTestWithNames, Failure) { FAIL(); } | |||||
#endif // GTEST_HAS_TYPED_TEST | |||||
// This #ifdef block tests the output of type-parameterized tests. | |||||
#if GTEST_HAS_TYPED_TEST_P | |||||
template <typename T> | |||||
class TypedTestP : public testing::Test { | |||||
}; | |||||
TYPED_TEST_CASE_P(TypedTestP); | |||||
TYPED_TEST_P(TypedTestP, Success) { | |||||
EXPECT_EQ(0U, TypeParam()); | |||||
} | |||||
TYPED_TEST_P(TypedTestP, Failure) { | |||||
EXPECT_EQ(1U, TypeParam()) << "Expected failure"; | |||||
} | |||||
REGISTER_TYPED_TEST_CASE_P(TypedTestP, Success, Failure); | |||||
typedef testing::Types<unsigned char, unsigned int> UnsignedTypes; | |||||
INSTANTIATE_TYPED_TEST_CASE_P(Unsigned, TypedTestP, UnsignedTypes); | |||||
class TypedTestPNames { | |||||
public: | |||||
template <typename T> | |||||
static std::string GetName(int i) { | |||||
if (testing::internal::IsSame<T, unsigned char>::value) { | |||||
return std::string("unsignedChar") + ::testing::PrintToString(i); | |||||
} | |||||
if (testing::internal::IsSame<T, unsigned int>::value) { | |||||
return std::string("unsignedInt") + ::testing::PrintToString(i); | |||||
} | |||||
} | |||||
}; | |||||
INSTANTIATE_TYPED_TEST_CASE_P(UnsignedCustomName, TypedTestP, UnsignedTypes, | |||||
TypedTestPNames); | |||||
#endif // GTEST_HAS_TYPED_TEST_P | |||||
#if GTEST_HAS_DEATH_TEST | |||||
// We rely on the golden file to verify that tests whose test case | |||||
// name ends with DeathTest are run first. | |||||
TEST(ADeathTest, ShouldRunFirst) { | |||||
} | |||||
# if GTEST_HAS_TYPED_TEST | |||||
// We rely on the golden file to verify that typed tests whose test | |||||
// case name ends with DeathTest are run first. | |||||
template <typename T> | |||||
class ATypedDeathTest : public testing::Test { | |||||
}; | |||||
typedef testing::Types<int, double> NumericTypes; | |||||
TYPED_TEST_CASE(ATypedDeathTest, NumericTypes); | |||||
TYPED_TEST(ATypedDeathTest, ShouldRunFirst) { | |||||
} | |||||
# endif // GTEST_HAS_TYPED_TEST | |||||
# if GTEST_HAS_TYPED_TEST_P | |||||
// We rely on the golden file to verify that type-parameterized tests | |||||
// whose test case name ends with DeathTest are run first. | |||||
template <typename T> | |||||
class ATypeParamDeathTest : public testing::Test { | |||||
}; | |||||
TYPED_TEST_CASE_P(ATypeParamDeathTest); | |||||
TYPED_TEST_P(ATypeParamDeathTest, ShouldRunFirst) { | |||||
} | |||||
REGISTER_TYPED_TEST_CASE_P(ATypeParamDeathTest, ShouldRunFirst); | |||||
INSTANTIATE_TYPED_TEST_CASE_P(My, ATypeParamDeathTest, NumericTypes); | |||||
# endif // GTEST_HAS_TYPED_TEST_P | |||||
#endif // GTEST_HAS_DEATH_TEST | |||||
// Tests various failure conditions of | |||||
// EXPECT_{,NON}FATAL_FAILURE{,_ON_ALL_THREADS}. | |||||
class ExpectFailureTest : public testing::Test { | |||||
public: // Must be public and not protected due to a bug in g++ 3.4.2. | |||||
enum FailureMode { | |||||
FATAL_FAILURE, | |||||
NONFATAL_FAILURE | |||||
}; | |||||
static void AddFailure(FailureMode failure) { | |||||
if (failure == FATAL_FAILURE) { | |||||
FAIL() << "Expected fatal failure."; | |||||
} else { | |||||
ADD_FAILURE() << "Expected non-fatal failure."; | |||||
} | |||||
} | |||||
}; | |||||
TEST_F(ExpectFailureTest, ExpectFatalFailure) { | |||||
// Expected fatal failure, but succeeds. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_FATAL_FAILURE(SUCCEED(), "Expected fatal failure."); | |||||
// Expected fatal failure, but got a non-fatal failure. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_FATAL_FAILURE(AddFailure(NONFATAL_FAILURE), "Expected non-fatal " | |||||
"failure."); | |||||
// Wrong message. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_FATAL_FAILURE(AddFailure(FATAL_FAILURE), "Some other fatal failure " | |||||
"expected."); | |||||
} | |||||
TEST_F(ExpectFailureTest, ExpectNonFatalFailure) { | |||||
// Expected non-fatal failure, but succeeds. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_NONFATAL_FAILURE(SUCCEED(), "Expected non-fatal failure."); | |||||
// Expected non-fatal failure, but got a fatal failure. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_NONFATAL_FAILURE(AddFailure(FATAL_FAILURE), "Expected fatal failure."); | |||||
// Wrong message. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_NONFATAL_FAILURE(AddFailure(NONFATAL_FAILURE), "Some other non-fatal " | |||||
"failure."); | |||||
} | |||||
#if GTEST_IS_THREADSAFE | |||||
class ExpectFailureWithThreadsTest : public ExpectFailureTest { | |||||
protected: | |||||
static void AddFailureInOtherThread(FailureMode failure) { | |||||
ThreadWithParam<FailureMode> thread(&AddFailure, failure, NULL); | |||||
thread.Join(); | |||||
} | |||||
}; | |||||
TEST_F(ExpectFailureWithThreadsTest, ExpectFatalFailure) { | |||||
// We only intercept the current thread. | |||||
printf("(expecting 2 failures)\n"); | |||||
EXPECT_FATAL_FAILURE(AddFailureInOtherThread(FATAL_FAILURE), | |||||
"Expected fatal failure."); | |||||
} | |||||
TEST_F(ExpectFailureWithThreadsTest, ExpectNonFatalFailure) { | |||||
// We only intercept the current thread. | |||||
printf("(expecting 2 failures)\n"); | |||||
EXPECT_NONFATAL_FAILURE(AddFailureInOtherThread(NONFATAL_FAILURE), | |||||
"Expected non-fatal failure."); | |||||
} | |||||
typedef ExpectFailureWithThreadsTest ScopedFakeTestPartResultReporterTest; | |||||
// Tests that the ScopedFakeTestPartResultReporter only catches failures from | |||||
// the current thread if it is instantiated with INTERCEPT_ONLY_CURRENT_THREAD. | |||||
TEST_F(ScopedFakeTestPartResultReporterTest, InterceptOnlyCurrentThread) { | |||||
printf("(expecting 2 failures)\n"); | |||||
TestPartResultArray results; | |||||
{ | |||||
ScopedFakeTestPartResultReporter reporter( | |||||
ScopedFakeTestPartResultReporter::INTERCEPT_ONLY_CURRENT_THREAD, | |||||
&results); | |||||
AddFailureInOtherThread(FATAL_FAILURE); | |||||
AddFailureInOtherThread(NONFATAL_FAILURE); | |||||
} | |||||
// The two failures should not have been intercepted. | |||||
EXPECT_EQ(0, results.size()) << "This shouldn't fail."; | |||||
} | |||||
#endif // GTEST_IS_THREADSAFE | |||||
TEST_F(ExpectFailureTest, ExpectFatalFailureOnAllThreads) { | |||||
// Expected fatal failure, but succeeds. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_FATAL_FAILURE_ON_ALL_THREADS(SUCCEED(), "Expected fatal failure."); | |||||
// Expected fatal failure, but got a non-fatal failure. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_FATAL_FAILURE_ON_ALL_THREADS(AddFailure(NONFATAL_FAILURE), | |||||
"Expected non-fatal failure."); | |||||
// Wrong message. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_FATAL_FAILURE_ON_ALL_THREADS(AddFailure(FATAL_FAILURE), | |||||
"Some other fatal failure expected."); | |||||
} | |||||
TEST_F(ExpectFailureTest, ExpectNonFatalFailureOnAllThreads) { | |||||
// Expected non-fatal failure, but succeeds. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(SUCCEED(), "Expected non-fatal " | |||||
"failure."); | |||||
// Expected non-fatal failure, but got a fatal failure. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(AddFailure(FATAL_FAILURE), | |||||
"Expected fatal failure."); | |||||
// Wrong message. | |||||
printf("(expecting 1 failure)\n"); | |||||
EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(AddFailure(NONFATAL_FAILURE), | |||||
"Some other non-fatal failure."); | |||||
} | |||||
// Two test environments for testing testing::AddGlobalTestEnvironment(). | |||||
class FooEnvironment : public testing::Environment { | |||||
public: | |||||
virtual void SetUp() { | |||||
printf("%s", "FooEnvironment::SetUp() called.\n"); | |||||
} | |||||
virtual void TearDown() { | |||||
printf("%s", "FooEnvironment::TearDown() called.\n"); | |||||
FAIL() << "Expected fatal failure."; | |||||
} | |||||
}; | |||||
class BarEnvironment : public testing::Environment { | |||||
public: | |||||
virtual void SetUp() { | |||||
printf("%s", "BarEnvironment::SetUp() called.\n"); | |||||
} | |||||
virtual void TearDown() { | |||||
printf("%s", "BarEnvironment::TearDown() called.\n"); | |||||
ADD_FAILURE() << "Expected non-fatal failure."; | |||||
} | |||||
}; | |||||
// The main function. | |||||
// | |||||
// The idea is to use Google Test to run all the tests we have defined (some | |||||
// of them are intended to fail), and then compare the test results | |||||
// with the "golden" file. | |||||
int main(int argc, char **argv) { | |||||
testing::GTEST_FLAG(print_time) = false; | |||||
// We just run the tests, knowing some of them are intended to fail. | |||||
// We will use a separate Python script to compare the output of | |||||
// this program with the golden file. | |||||
// It's hard to test InitGoogleTest() directly, as it has many | |||||
// global side effects. The following line serves as a sanity test | |||||
// for it. | |||||
testing::InitGoogleTest(&argc, argv); | |||||
bool internal_skip_environment_and_ad_hoc_tests = | |||||
std::count(argv, argv + argc, | |||||
std::string("internal_skip_environment_and_ad_hoc_tests")) > 0; | |||||
#if GTEST_HAS_DEATH_TEST | |||||
if (testing::internal::GTEST_FLAG(internal_run_death_test) != "") { | |||||
// Skip the usual output capturing if we're running as the child | |||||
// process of an threadsafe-style death test. | |||||
# if GTEST_OS_WINDOWS | |||||
posix::FReopen("nul:", "w", stdout); | |||||
# else | |||||
posix::FReopen("/dev/null", "w", stdout); | |||||
# endif // GTEST_OS_WINDOWS | |||||
return RUN_ALL_TESTS(); | |||||
} | |||||
#endif // GTEST_HAS_DEATH_TEST | |||||
if (internal_skip_environment_and_ad_hoc_tests) | |||||
return RUN_ALL_TESTS(); | |||||
// Registers two global test environments. | |||||
// The golden file verifies that they are set up in the order they | |||||
// are registered, and torn down in the reverse order. | |||||
testing::AddGlobalTestEnvironment(new FooEnvironment); | |||||
testing::AddGlobalTestEnvironment(new BarEnvironment); | |||||
#if _MSC_VER | |||||
GTEST_DISABLE_MSC_WARNINGS_POP_() // 4127 | |||||
#endif // _MSC_VER | |||||
return RunAllTests(); | |||||
} |