80 lines
1.8 KiB
C++
80 lines
1.8 KiB
C++
// Helper macros for writing exception-based tests
|
|
|
|
|
|
|
|
|
|
/** The exception that is thrown if a test fails.
|
|
It doesn't inherit from any type so that it is not possible to catch it by a mistake,
|
|
it needs to be caught explicitly (used in the TEST_THROWS).
|
|
It bears a single message that is to be displayed to stderr. */
|
|
class TestException
|
|
{
|
|
public:
|
|
TestException(const AString & aMessage):
|
|
mMessage(aMessage)
|
|
{
|
|
}
|
|
|
|
AString mMessage;
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
/** Checks that the two values are equal; if not, throws a TestException. */
|
|
#define TEST_EQUAL(VAL1, VAL2) \
|
|
if (VAL1 != VAL2) \
|
|
{ \
|
|
throw TestException(Printf("%s (line %d): Equality test failed: %s != %s", \
|
|
__FUNCTION__, __LINE__, \
|
|
#VAL1, #VAL2 \
|
|
)); \
|
|
}
|
|
|
|
|
|
|
|
/** Checks that the two values are not equal; if they are, throws a TestException. */
|
|
#define TEST_NOTEQUAL(VAL1, VAL2) \
|
|
if (VAL1 == VAL2) \
|
|
{ \
|
|
throw TestException(Printf("%s (line %d): Inequality test failed: %s == %s", \
|
|
__FUNCTION__, __LINE__, \
|
|
#VAL1, #VAL2 \
|
|
)); \
|
|
}
|
|
|
|
|
|
|
|
/** Checks that the statement throws an exception of the specified class. */
|
|
#define TEST_THROWS(Stmt, ExcClass) \
|
|
try \
|
|
{ \
|
|
Stmt; \
|
|
throw TestException(Printf("%s (line %d): Failed to throw an exception of type %s", \
|
|
__FUNCTION__, __LINE__, \
|
|
#ExcClass \
|
|
)); \
|
|
} \
|
|
catch (const ExcClass &) \
|
|
{ \
|
|
/* This is the expected case. */ \
|
|
} \
|
|
catch (const std::exception & exc) \
|
|
{ \
|
|
throw TestException(Printf("%s (line %d): An unexpected std::exception descendant was thrown, was expecting type %s. Message is: %s", \
|
|
__FUNCTION__, __LINE__, \
|
|
#ExcClass, exc.what() \
|
|
)); \
|
|
} \
|
|
catch (...) \
|
|
{ \
|
|
throw TestException(Printf("%s (line %d): An unexpected exception object was thrown, was expecting type %s", \
|
|
__FUNCTION__, __LINE__, \
|
|
#ExcClass \
|
|
)); \
|
|
}
|
|
|
|
|
|
|