ceph/src/googletest/googlemock/test/gmock_ex_test.cc

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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 type that cannot be default constructed.
  43 class NonDefaultConstructible {
  44  public:
  45   explicit NonDefaultConstructible(int /* dummy */) {}
  46 };
  47
  48 class MockFoo {
  49  public:
  50   // A mock method that returns a user-defined type.  Google Mock
  51   // doesn't know what the default value for this type is.
  52   MOCK_METHOD0(GetNonDefaultConstructible, NonDefaultConstructible());
  53 };
  54
  55 #if GTEST_HAS_EXCEPTIONS
  56
  57 TEST(DefaultValueTest, ThrowsRuntimeErrorWhenNoDefaultValue) {
  58   MockFoo mock;
  59   try {
  60     // No expectation is set on this method, so Google Mock must
  61     // return the default value.  However, since Google Mock knows
  62     // nothing about the return type, it doesn't know what to return,
  63     // and has to throw (when exceptions are enabled) or abort
  64     // (otherwise).
  65     mock.GetNonDefaultConstructible();
  66     FAIL() << "GetNonDefaultConstructible()'s return type has no default "
  67            << "value, so Google Mock should have thrown.";
  68   } catch (const GoogleTestFailureException& /* unused */) {
  69     FAIL() << "Google Test does not try to catch an exception of type "
  70            << "GoogleTestFailureException, which is used for reporting "
  71            << "a failure to other testing frameworks.  Google Mock should "
  72            << "not throw a GoogleTestFailureException as it will kill the "
  73            << "entire test program instead of just the current TEST.";
  74   } catch (const std::exception& ex) {
  75     EXPECT_THAT(ex.what(), HasSubstr("has no default value"));
  76   }
  77 }
  78
  79 #endif
  80
  81 }  // unnamed namespace