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1021 lines
31 KiB
C++
1021 lines
31 KiB
C++
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// Copyright 2005, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// A unit test for Google Test itself. This verifies that the basic
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// constructs of Google Test work.
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//
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// Author: wan@google.com (Zhanyong Wan)
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#include "gtest/gtest-spi.h"
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#include "gtest/gtest.h"
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// Indicates that this translation unit is part of Google Test's
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// implementation. It must come before gtest-internal-inl.h is
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// included, or there will be a compiler error. This trick is to
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// prevent a user from accidentally including gtest-internal-inl.h in
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// his code.
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#define GTEST_IMPLEMENTATION_ 1
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#include "src/gtest-internal-inl.h"
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#undef GTEST_IMPLEMENTATION_
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#include <stdlib.h>
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#if GTEST_IS_THREADSAFE
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using testing::ScopedFakeTestPartResultReporter;
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using testing::TestPartResultArray;
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using testing::internal::Notification;
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using testing::internal::ThreadWithParam;
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#endif
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namespace posix = ::testing::internal::posix;
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using testing::internal::String;
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using testing::internal::scoped_ptr;
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// Tests catching fatal failures.
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// A subroutine used by the following test.
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void TestEq1(int x) {
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ASSERT_EQ(1, x);
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}
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// This function calls a test subroutine, catches the fatal failure it
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// generates, and then returns early.
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void TryTestSubroutine() {
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// Calls a subrountine that yields a fatal failure.
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TestEq1(2);
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// Catches the fatal failure and aborts the test.
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//
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// The testing::Test:: prefix is necessary when calling
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// HasFatalFailure() outside of a TEST, TEST_F, or test fixture.
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if (testing::Test::HasFatalFailure()) return;
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// If we get here, something is wrong.
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FAIL() << "This should never be reached.";
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}
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TEST(PassingTest, PassingTest1) {
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}
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TEST(PassingTest, PassingTest2) {
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}
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// Tests that parameters of failing parameterized tests are printed in the
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// failing test summary.
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class FailingParamTest : public testing::TestWithParam<int> {};
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TEST_P(FailingParamTest, Fails) {
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EXPECT_EQ(1, GetParam());
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}
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// This generates a test which will fail. Google Test is expected to print
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// its parameter when it outputs the list of all failed tests.
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INSTANTIATE_TEST_CASE_P(PrintingFailingParams,
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FailingParamTest,
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testing::Values(2));
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// Tests catching a fatal failure in a subroutine.
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TEST(FatalFailureTest, FatalFailureInSubroutine) {
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printf("(expecting a failure that x should be 1)\n");
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TryTestSubroutine();
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}
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// Tests catching a fatal failure in a nested subroutine.
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TEST(FatalFailureTest, FatalFailureInNestedSubroutine) {
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printf("(expecting a failure that x should be 1)\n");
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// Calls a subrountine that yields a fatal failure.
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TryTestSubroutine();
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// Catches the fatal failure and aborts the test.
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//
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// When calling HasFatalFailure() inside a TEST, TEST_F, or test
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// fixture, the testing::Test:: prefix is not needed.
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if (HasFatalFailure()) return;
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// If we get here, something is wrong.
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FAIL() << "This should never be reached.";
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}
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// Tests HasFatalFailure() after a failed EXPECT check.
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TEST(FatalFailureTest, NonfatalFailureInSubroutine) {
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printf("(expecting a failure on false)\n");
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EXPECT_TRUE(false); // Generates a nonfatal failure
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ASSERT_FALSE(HasFatalFailure()); // This should succeed.
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}
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// Tests interleaving user logging and Google Test assertions.
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TEST(LoggingTest, InterleavingLoggingAndAssertions) {
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static const int a[4] = {
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3, 9, 2, 6
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};
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printf("(expecting 2 failures on (3) >= (a[i]))\n");
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for (int i = 0; i < static_cast<int>(sizeof(a)/sizeof(*a)); i++) {
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printf("i == %d\n", i);
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EXPECT_GE(3, a[i]);
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}
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}
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// Tests the SCOPED_TRACE macro.
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// A helper function for testing SCOPED_TRACE.
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void SubWithoutTrace(int n) {
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EXPECT_EQ(1, n);
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ASSERT_EQ(2, n);
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}
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// Another helper function for testing SCOPED_TRACE.
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void SubWithTrace(int n) {
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SCOPED_TRACE(testing::Message() << "n = " << n);
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SubWithoutTrace(n);
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}
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// Tests that SCOPED_TRACE() obeys lexical scopes.
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TEST(SCOPED_TRACETest, ObeysScopes) {
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printf("(expected to fail)\n");
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// There should be no trace before SCOPED_TRACE() is invoked.
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ADD_FAILURE() << "This failure is expected, and shouldn't have a trace.";
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{
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SCOPED_TRACE("Expected trace");
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// After SCOPED_TRACE(), a failure in the current scope should contain
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// the trace.
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ADD_FAILURE() << "This failure is expected, and should have a trace.";
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}
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// Once the control leaves the scope of the SCOPED_TRACE(), there
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// should be no trace again.
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ADD_FAILURE() << "This failure is expected, and shouldn't have a trace.";
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}
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// Tests that SCOPED_TRACE works inside a loop.
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TEST(SCOPED_TRACETest, WorksInLoop) {
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printf("(expected to fail)\n");
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for (int i = 1; i <= 2; i++) {
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SCOPED_TRACE(testing::Message() << "i = " << i);
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SubWithoutTrace(i);
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}
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}
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// Tests that SCOPED_TRACE works in a subroutine.
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TEST(SCOPED_TRACETest, WorksInSubroutine) {
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printf("(expected to fail)\n");
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SubWithTrace(1);
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SubWithTrace(2);
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}
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// Tests that SCOPED_TRACE can be nested.
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TEST(SCOPED_TRACETest, CanBeNested) {
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printf("(expected to fail)\n");
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SCOPED_TRACE(""); // A trace without a message.
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SubWithTrace(2);
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}
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// Tests that multiple SCOPED_TRACEs can be used in the same scope.
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TEST(SCOPED_TRACETest, CanBeRepeated) {
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printf("(expected to fail)\n");
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SCOPED_TRACE("A");
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ADD_FAILURE()
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<< "This failure is expected, and should contain trace point A.";
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SCOPED_TRACE("B");
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ADD_FAILURE()
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<< "This failure is expected, and should contain trace point A and B.";
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{
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SCOPED_TRACE("C");
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ADD_FAILURE() << "This failure is expected, and should contain "
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<< "trace point A, B, and C.";
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}
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SCOPED_TRACE("D");
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ADD_FAILURE() << "This failure is expected, and should contain "
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<< "trace point A, B, and D.";
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}
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#if GTEST_IS_THREADSAFE
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// Tests that SCOPED_TRACE()s can be used concurrently from multiple
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// threads. Namely, an assertion should be affected by
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// SCOPED_TRACE()s in its own thread only.
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// Here's the sequence of actions that happen in the test:
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//
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// Thread A (main) | Thread B (spawned)
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// ===============================|================================
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// spawns thread B |
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// -------------------------------+--------------------------------
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// waits for n1 | SCOPED_TRACE("Trace B");
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// | generates failure #1
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// | notifies n1
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// -------------------------------+--------------------------------
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// SCOPED_TRACE("Trace A"); | waits for n2
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// generates failure #2 |
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// notifies n2 |
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// -------------------------------|--------------------------------
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// waits for n3 | generates failure #3
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// | trace B dies
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// | generates failure #4
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// | notifies n3
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// -------------------------------|--------------------------------
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// generates failure #5 | finishes
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// trace A dies |
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// generates failure #6 |
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// -------------------------------|--------------------------------
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// waits for thread B to finish |
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struct CheckPoints {
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Notification n1;
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Notification n2;
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Notification n3;
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};
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static void ThreadWithScopedTrace(CheckPoints* check_points) {
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{
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SCOPED_TRACE("Trace B");
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ADD_FAILURE()
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<< "Expected failure #1 (in thread B, only trace B alive).";
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check_points->n1.Notify();
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check_points->n2.WaitForNotification();
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ADD_FAILURE()
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<< "Expected failure #3 (in thread B, trace A & B both alive).";
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} // Trace B dies here.
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ADD_FAILURE()
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<< "Expected failure #4 (in thread B, only trace A alive).";
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check_points->n3.Notify();
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}
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TEST(SCOPED_TRACETest, WorksConcurrently) {
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printf("(expecting 6 failures)\n");
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CheckPoints check_points;
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ThreadWithParam<CheckPoints*> thread(&ThreadWithScopedTrace,
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&check_points,
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NULL);
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check_points.n1.WaitForNotification();
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{
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SCOPED_TRACE("Trace A");
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ADD_FAILURE()
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<< "Expected failure #2 (in thread A, trace A & B both alive).";
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check_points.n2.Notify();
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check_points.n3.WaitForNotification();
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ADD_FAILURE()
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<< "Expected failure #5 (in thread A, only trace A alive).";
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} // Trace A dies here.
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ADD_FAILURE()
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<< "Expected failure #6 (in thread A, no trace alive).";
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thread.Join();
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}
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#endif // GTEST_IS_THREADSAFE
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TEST(DisabledTestsWarningTest,
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DISABLED_AlsoRunDisabledTestsFlagSuppressesWarning) {
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// This test body is intentionally empty. Its sole purpose is for
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// verifying that the --gtest_also_run_disabled_tests flag
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// suppresses the "YOU HAVE 12 DISABLED TESTS" warning at the end of
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// the test output.
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}
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// Tests using assertions outside of TEST and TEST_F.
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//
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// This function creates two failures intentionally.
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void AdHocTest() {
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printf("The non-test part of the code is expected to have 2 failures.\n\n");
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EXPECT_TRUE(false);
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EXPECT_EQ(2, 3);
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}
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// Runs all TESTs, all TEST_Fs, and the ad hoc test.
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int RunAllTests() {
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AdHocTest();
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return RUN_ALL_TESTS();
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}
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// Tests non-fatal failures in the fixture constructor.
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class NonFatalFailureInFixtureConstructorTest : public testing::Test {
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protected:
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NonFatalFailureInFixtureConstructorTest() {
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printf("(expecting 5 failures)\n");
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ADD_FAILURE() << "Expected failure #1, in the test fixture c'tor.";
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}
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~NonFatalFailureInFixtureConstructorTest() {
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ADD_FAILURE() << "Expected failure #5, in the test fixture d'tor.";
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}
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virtual void SetUp() {
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ADD_FAILURE() << "Expected failure #2, in SetUp().";
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}
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virtual void TearDown() {
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ADD_FAILURE() << "Expected failure #4, in TearDown.";
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}
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};
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TEST_F(NonFatalFailureInFixtureConstructorTest, FailureInConstructor) {
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ADD_FAILURE() << "Expected failure #3, in the test body.";
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}
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// Tests fatal failures in the fixture constructor.
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class FatalFailureInFixtureConstructorTest : public testing::Test {
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protected:
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FatalFailureInFixtureConstructorTest() {
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printf("(expecting 2 failures)\n");
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Init();
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}
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~FatalFailureInFixtureConstructorTest() {
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ADD_FAILURE() << "Expected failure #2, in the test fixture d'tor.";
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}
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virtual void SetUp() {
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ADD_FAILURE() << "UNEXPECTED failure in SetUp(). "
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<< "We should never get here, as the test fixture c'tor "
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<< "had a fatal failure.";
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}
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virtual void TearDown() {
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ADD_FAILURE() << "UNEXPECTED failure in TearDown(). "
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<< "We should never get here, as the test fixture c'tor "
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<< "had a fatal failure.";
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}
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private:
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void Init() {
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FAIL() << "Expected failure #1, in the test fixture c'tor.";
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}
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};
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TEST_F(FatalFailureInFixtureConstructorTest, FailureInConstructor) {
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ADD_FAILURE() << "UNEXPECTED failure in the test body. "
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<< "We should never get here, as the test fixture c'tor "
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<< "had a fatal failure.";
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}
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// Tests non-fatal failures in SetUp().
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class NonFatalFailureInSetUpTest : public testing::Test {
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protected:
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virtual ~NonFatalFailureInSetUpTest() {
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Deinit();
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}
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virtual void SetUp() {
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printf("(expecting 4 failures)\n");
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ADD_FAILURE() << "Expected failure #1, in SetUp().";
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}
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virtual void TearDown() {
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FAIL() << "Expected failure #3, in TearDown().";
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}
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private:
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void Deinit() {
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FAIL() << "Expected failure #4, in the test fixture d'tor.";
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}
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};
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TEST_F(NonFatalFailureInSetUpTest, FailureInSetUp) {
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FAIL() << "Expected failure #2, in the test function.";
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}
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// Tests fatal failures in SetUp().
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class FatalFailureInSetUpTest : public testing::Test {
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protected:
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virtual ~FatalFailureInSetUpTest() {
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Deinit();
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}
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virtual void SetUp() {
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printf("(expecting 3 failures)\n");
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FAIL() << "Expected failure #1, in SetUp().";
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}
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virtual void TearDown() {
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FAIL() << "Expected failure #2, in TearDown().";
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}
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private:
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void Deinit() {
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FAIL() << "Expected failure #3, in the test fixture d'tor.";
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}
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};
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TEST_F(FatalFailureInSetUpTest, FailureInSetUp) {
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FAIL() << "UNEXPECTED failure in the test function. "
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<< "We should never get here, as SetUp() failed.";
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}
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TEST(AddFailureAtTest, MessageContainsSpecifiedFileAndLineNumber) {
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||
|
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_;
|
||
|
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 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";
|
||
|
}
|
||
|
|
||
|
#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);
|
||
|
|
||
|
#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.";
|
||
|
}
|
||
|
};
|
||
|
|
||
|
bool GTEST_FLAG(internal_skip_environment_and_ad_hoc_tests) = false;
|
||
|
|
||
|
// 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);
|
||
|
if (argc >= 2 &&
|
||
|
String(argv[1]) == "--gtest_internal_skip_environment_and_ad_hoc_tests")
|
||
|
GTEST_FLAG(internal_skip_environment_and_ad_hoc_tests) = true;
|
||
|
|
||
|
#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 (GTEST_FLAG(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);
|
||
|
|
||
|
return RunAllTests();
|
||
|
}
|