/// <summary>
/// Asserts that the given action throws the specified exception type.
/// </summary>
/// <param name="action">Action to try.</param>
/// <param name="expectedException">The expected exception.</param>
/// <param name="exceptionVerifier">The exception verifier.</param>
public static void ExpectedException(this AssertionHandler assert, Action action, ExpectedException expectedException, IExceptionVerifier exceptionVerifier)
{
ExceptionUtilities.CheckArgumentNotNull(assert, "assert");
ExceptionUtilities.CheckArgumentNotNull(action, "action");
ExceptionUtilities.CheckArgumentNotNull(exceptionVerifier, "exceptionVerifier");
Exception exception = RunCatching(action);
if (exception == null && expectedException == null)
{
return;
}
else if (exception == null)
{
assert.IsNotNull(exception,
"Expected exception of type '{0}' with message resource ID '{1}' but none was thrown.",
expectedException.ExpectedExceptionType.ToString(),
expectedException.ExpectedMessage == null ? "<null>" : expectedException.ExpectedMessage.ResourceIdentifier);
}
else if (expectedException == null)
{
assert.IsNotNull(expectedException,
"Did not expect an exception but an exception of type '{0}' with message '{1}' was thrown.",
exception.GetType().ToString(),
exception.Message);
}
exception = TestExceptionUtils.UnwrapAggregateException(exception, assert);
exceptionVerifier.VerifyExceptionResult(expectedException, exception);
}
/// <summary>
/// Asserts that the given action throws the specified exception type.
/// </summary>
/// <typeparam name="TException">Exception type.</typeparam>
/// <param name="action">Action to try.</param>
/// <param name="expectedExceptionMessage">The expected exception message.</param>
/// <param name="desciption">String to attach to all errors so that it's easier to locate what went wrong.</param>
public static void ExpectedException <TException>(this AssertionHandler assert, Action action, string expectedExceptionMessage, string description = null)
{
Exception exception = RunCatching(action);
exception = TestExceptionUtils.UnwrapAggregateException(exception, assert);
IsExpectedException <TException>(assert, exception, expectedExceptionMessage, description);
}