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  1. // Copyright 2009, Google Inc.
  2. // All rights reserved.
  3. //
  4. // Redistribution and use in source and binary forms, with or without
  5. // modification, are permitted provided that the following conditions are
  6. // met:
  7. //
  8. //     * Redistributions of source code must retain the above copyright
  9. // notice, this list of conditions and the following disclaimer.
  10. //     * Redistributions in binary form must reproduce the above
  11. // copyright notice, this list of conditions and the following disclaimer
  12. // in the documentation and/or other materials provided with the
  13. // distribution.
  14. //     * Neither the name of Google Inc. nor the names of its
  15. // contributors may be used to endorse or promote products derived from
  16. // this software without specific prior written permission.
  17. //
  18. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  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.