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30 // Author: wan@google.com (Zhanyong Wan)
31
32 // Tests Google Mock's functionality that depends on exceptions.
33
34 #include "gmock/gmock.h"
35 #include "gtest/gtest.h"
36
37 namespace {
38
39 using testing::HasSubstr;
40 using testing::internal::GoogleTestFailureException;
41
42 // A user-defined class.
43 class Something {};
44
45 class MockFoo {
46 public:
47 // A mock method that returns a user-defined type. Google Mock
48 // doesn't know what the default value for this type is.
49 MOCK_METHOD0(GetSomething, Something());
50 };
51
52 #if GTEST_HAS_EXCEPTIONS
53
TEST(DefaultValueTest,ThrowsRuntimeErrorWhenNoDefaultValue)54 TEST(DefaultValueTest, ThrowsRuntimeErrorWhenNoDefaultValue) {
55 MockFoo mock;
56 try {
57 // No expectation is set on this method, so Google Mock must
58 // return the default value. However, since Google Mock knows
59 // nothing about the return type, it doesn't know what to return,
60 // and has to throw (when exceptions are enabled) or abort
61 // (otherwise).
62 mock.GetSomething();
63 FAIL() << "GetSomething()'s return type has no default value, "
64 << "so Google Mock should have thrown.";
65 } catch (const GoogleTestFailureException& /* unused */) {
66 FAIL() << "Google Test does not try to catch an exception of type "
67 << "GoogleTestFailureException, which is used for reporting "
68 << "a failure to other testing frameworks. Google Mock should "
69 << "not throw a GoogleTestFailureException as it will kill the "
70 << "entire test program instead of just the current TEST.";
71 } catch (const std::exception& ex) {
72 EXPECT_THAT(ex.what(), HasSubstr("has no default value"));
73 }
74 }
75
76 #endif
77
78 } // unnamed namespace
79