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// 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