private void AssertTrowsException <T>(string line)
where T : Exception
{
ConsoleOutputReceiver receiver = new ConsoleOutputReceiver();
Assert.Throws <T>(() => receiver.ThrowOnError(line));
}
public void TrowOnErrorTest()
{
AssertTrowsException <FileNotFoundException>("/dev/test: not found");
AssertTrowsException <FileNotFoundException>("No such file or directory");
AssertTrowsException <UnknownOptionException>("Unknown option -h");
AssertTrowsException <CommandAbortingException>("/dev/test: Aborting.");
AssertTrowsException <FileNotFoundException>("/dev/test: applet not found");
AssertTrowsException <PermissionDeniedException>("/dev/test: permission denied");
AssertTrowsException <PermissionDeniedException>("/dev/test: access denied");
// Should not thrown an exception
ConsoleOutputReceiver receiver = new ConsoleOutputReceiver();
receiver.ThrowOnError("Stay calm and watch cat movies.");
}
private void AssertTrowsException <T>(string line)
where T : Exception
{
ConsoleOutputReceiver receiver = new ConsoleOutputReceiver();
try
{
receiver.ThrowOnError(line);
throw new AssertFailedException($"An exception of type {typeof(T).FullName} was not thrown");
}
catch (T)
{
// All OK - an exception of type T was thrown
}
catch (Exception ex)
{
throw new AssertFailedException($"An exception of type {typeof(T).FullName} was expected, but of type {ex.GetType().FullName} was thrown instead.");
}
}