xref: /freebsd/contrib/googletest/googlemock/test/gmock_leak_test_.cc (revision cab6a39d7b343596a5823e65c0f7b426551ec22d)
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29 
30 
31 // Google Mock - a framework for writing C++ mock classes.
32 //
33 // This program is for verifying that a leaked mock object can be
34 // caught by Google Mock's leak detector.
35 
36 #include "gmock/gmock.h"
37 
38 namespace {
39 
40 using ::testing::Return;
41 
42 class FooInterface {
43  public:
44   virtual ~FooInterface() {}
45   virtual void DoThis() = 0;
46 };
47 
48 class MockFoo : public FooInterface {
49  public:
50   MockFoo() {}
51 
52   MOCK_METHOD0(DoThis, void());
53 
54  private:
55   GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo);
56 };
57 
58 TEST(LeakTest, LeakedMockWithExpectCallCausesFailureWhenLeakCheckingIsEnabled) {
59   MockFoo* foo = new MockFoo;
60 
61   EXPECT_CALL(*foo, DoThis());
62   foo->DoThis();
63 
64   // In order to test the leak detector, we deliberately leak foo.
65 
66   // Makes sure Google Mock's leak detector can change the exit code
67   // to 1 even when the code is already exiting with 0.
68   exit(0);
69 }
70 
71 TEST(LeakTest, LeakedMockWithOnCallCausesFailureWhenLeakCheckingIsEnabled) {
72   MockFoo* foo = new MockFoo;
73 
74   ON_CALL(*foo, DoThis()).WillByDefault(Return());
75 
76   // In order to test the leak detector, we deliberately leak foo.
77 
78   // Makes sure Google Mock's leak detector can change the exit code
79   // to 1 even when the code is already exiting with 0.
80   exit(0);
81 }
82 
83 TEST(LeakTest, CatchesMultipleLeakedMockObjects) {
84   MockFoo* foo1 = new MockFoo;
85   MockFoo* foo2 = new MockFoo;
86 
87   ON_CALL(*foo1, DoThis()).WillByDefault(Return());
88   EXPECT_CALL(*foo2, DoThis());
89   foo2->DoThis();
90 
91   // In order to test the leak detector, we deliberately leak foo1 and
92   // foo2.
93 
94   // Makes sure Google Mock's leak detector can change the exit code
95   // to 1 even when the code is already exiting with 0.
96   exit(0);
97 }
98 
99 }  // namespace
100