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30 // Author: wan@google.com (Zhanyong Wan)
31 
32 // Google Mock - a framework for writing C++ mock classes.
33 //
34 // This program is for verifying that a leaked mock object can be
35 // caught by Google Mock's leak detector.
36 
37 #include "gmock/gmock.h"
38 
39 namespace {
40 
41 using ::testing::Return;
42 
43 class FooInterface {
44  public:
~FooInterface()45   virtual ~FooInterface() {}
46   virtual void DoThis() = 0;
47 };
48 
49 class MockFoo : public FooInterface {
50  public:
MockFoo()51   MockFoo() {}
52 
53   MOCK_METHOD0(DoThis, void());
54 
55  private:
56   GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo);
57 };
58 
TEST(LeakTest,LeakedMockWithExpectCallCausesFailureWhenLeakCheckingIsEnabled)59 TEST(LeakTest, LeakedMockWithExpectCallCausesFailureWhenLeakCheckingIsEnabled) {
60   MockFoo* foo = new MockFoo;
61 
62   EXPECT_CALL(*foo, DoThis());
63   foo->DoThis();
64 
65   // In order to test the leak detector, we deliberately leak foo.
66 
67   // Makes sure Google Mock's leak detector can change the exit code
68   // to 1 even when the code is already exiting with 0.
69   exit(0);
70 }
71 
TEST(LeakTest,LeakedMockWithOnCallCausesFailureWhenLeakCheckingIsEnabled)72 TEST(LeakTest, LeakedMockWithOnCallCausesFailureWhenLeakCheckingIsEnabled) {
73   MockFoo* foo = new MockFoo;
74 
75   ON_CALL(*foo, DoThis()).WillByDefault(Return());
76 
77   // In order to test the leak detector, we deliberately leak foo.
78 
79   // Makes sure Google Mock's leak detector can change the exit code
80   // to 1 even when the code is already exiting with 0.
81   exit(0);
82 }
83 
TEST(LeakTest,CatchesMultipleLeakedMockObjects)84 TEST(LeakTest, CatchesMultipleLeakedMockObjects) {
85   MockFoo* foo1 = new MockFoo;
86   MockFoo* foo2 = new MockFoo;
87 
88   ON_CALL(*foo1, DoThis()).WillByDefault(Return());
89   EXPECT_CALL(*foo2, DoThis());
90   foo2->DoThis();
91 
92   // In order to test the leak detector, we deliberately leak foo1 and
93   // foo2.
94 
95   // Makes sure Google Mock's leak detector can change the exit code
96   // to 1 even when the code is already exiting with 0.
97   exit(0);
98 }
99 
100 }  // namespace
101