googletest/test/gmock_leak_test_.cc

101 lines
3.2 KiB
C++

// Copyright 2009, 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.
//
// Author: wan@google.com (Zhanyong Wan)
// Google Mock - a framework for writing C++ mock classes.
//
// This program is for verifying that a leaked mock object can be
// caught by Google Mock's leak detector.
#include <gmock/gmock.h>
namespace {
using ::testing::Return;
class FooInterface {
public:
virtual ~FooInterface() {}
virtual void DoThis() = 0;
};
class MockFoo : public FooInterface {
public:
MockFoo() {}
MOCK_METHOD0(DoThis, void());
private:
GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo);
};
TEST(LeakTest, LeakedMockWithExpectCallCausesFailureWhenLeakCheckingIsEnabled) {
MockFoo* foo = new MockFoo;
EXPECT_CALL(*foo, DoThis());
foo->DoThis();
// In order to test the leak detector, we deliberately leak foo.
// Makes sure Google Mock's leak detector can change the exit code
// to 1 even when the code is already exiting with 0.
exit(0);
}
TEST(LeakTest, LeakedMockWithOnCallCausesFailureWhenLeakCheckingIsEnabled) {
MockFoo* foo = new MockFoo;
ON_CALL(*foo, DoThis()).WillByDefault(Return());
// In order to test the leak detector, we deliberately leak foo.
// Makes sure Google Mock's leak detector can change the exit code
// to 1 even when the code is already exiting with 0.
exit(0);
}
TEST(LeakTest, CatchesMultipleLeakedMockObjects) {
MockFoo* foo1 = new MockFoo;
MockFoo* foo2 = new MockFoo;
ON_CALL(*foo1, DoThis()).WillByDefault(Return());
EXPECT_CALL(*foo2, DoThis());
foo2->DoThis();
// In order to test the leak detector, we deliberately leak foo1 and
// foo2.
// Makes sure Google Mock's leak detector can change the exit code
// to 1 even when the code is already exiting with 0.
exit(0);
}
} // namespace