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  1. // Copyright 2013, 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. // Tests Google Mock's functionality that depends on exceptions.
  30. #include "gmock/gmock.h"
  31. #include "gtest/gtest.h"
  32. #if GTEST_HAS_EXCEPTIONS
  33. namespace {
  34. using testing::HasSubstr;
  35. using testing::internal::GoogleTestFailureException;
  36. // A type that cannot be default constructed.
  37. class NonDefaultConstructible {
  38. public:
  39. explicit NonDefaultConstructible(int /* dummy */) {}
  40. };
  41. class MockFoo {
  42. public:
  43. // A mock method that returns a user-defined type. Google Mock
  44. // doesn't know what the default value for this type is.
  45. MOCK_METHOD0(GetNonDefaultConstructible, NonDefaultConstructible());
  46. };
  47. TEST(DefaultValueTest, ThrowsRuntimeErrorWhenNoDefaultValue) {
  48. MockFoo mock;
  49. try {
  50. // No expectation is set on this method, so Google Mock must
  51. // return the default value. However, since Google Mock knows
  52. // nothing about the return type, it doesn't know what to return,
  53. // and has to throw (when exceptions are enabled) or abort
  54. // (otherwise).
  55. mock.GetNonDefaultConstructible();
  56. FAIL() << "GetNonDefaultConstructible()'s return type has no default "
  57. << "value, so Google Mock should have thrown.";
  58. } catch (const GoogleTestFailureException& /* unused */) {
  59. FAIL() << "Google Test does not try to catch an exception of type "
  60. << "GoogleTestFailureException, which is used for reporting "
  61. << "a failure to other testing frameworks. Google Mock should "
  62. << "not throw a GoogleTestFailureException as it will kill the "
  63. << "entire test program instead of just the current TEST.";
  64. } catch (const std::exception& ex) {
  65. EXPECT_THAT(ex.what(), HasSubstr("has no default value"));
  66. }
  67. }
  68. } // unnamed namespace
  69. #endif