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// Tests Google Mock's functionality that depends on exceptions.
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#if GTEST_HAS_EXCEPTIONS
namespace {
using testing::HasSubstr;
using testing::internal::GoogleTestFailureException;
// A type that cannot be default constructed.
class NonDefaultConstructible {
public:
explicit NonDefaultConstructible(int /* dummy */) {}
};
class MockFoo {
public:
// A mock method that returns a user-defined type. Google Mock
// doesn't know what the default value for this type is.
MOCK_METHOD0(GetNonDefaultConstructible, NonDefaultConstructible());
};
TEST(DefaultValueTest, ThrowsRuntimeErrorWhenNoDefaultValue) {
MockFoo mock;
try {
// No expectation is set on this method, so Google Mock must
// return the default value. However, since Google Mock knows
// nothing about the return type, it doesn't know what to return,
// and has to throw (when exceptions are enabled) or abort
// (otherwise).
mock.GetNonDefaultConstructible();
FAIL() << "GetNonDefaultConstructible()'s return type has no default "
<< "value, so Google Mock should have thrown.";
} catch (const GoogleTestFailureException& /* unused */) {
FAIL() << "Google Test does not try to catch an exception of type "
<< "GoogleTestFailureException, which is used for reporting "
<< "a failure to other testing frameworks. Google Mock should "
<< "not throw a GoogleTestFailureException as it will kill the "
<< "entire test program instead of just the current TEST.";
} catch (const std::exception& ex) {
EXPECT_THAT(ex.what(), HasSubstr("has no default value"));
}
}
} // unnamed namespace
#endif