ceph/src/spawn/test/dependency/googletest/googlemock/test/gmock_leak_test_.cc

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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