public void CatchValueError()
{
ExceptCommand command = new ExceptCommand(new ConstantExpression(typeof(ValueError)), null);
Assert.IsNotNull(command.Expression);
Assert.IsNull(command.Command);
Assert.IsTrue(command.CatchException(null, new ValueError(null)));
Assert.IsFalse(command.CatchException(null, new SyntaxError(null)));
}
public void CatchAllExceptions()
{
ExceptCommand command = new ExceptCommand(null, null);
Assert.IsNull(command.Expression);
Assert.IsNull(command.Command);
Assert.IsTrue(command.CatchException(null, new ValueError(null)));
Assert.IsTrue(command.CatchException(null, new SyntaxError(null)));
Assert.IsTrue(command.CatchException(null, new Exception()));
}
public void RaiseIfExpressionIsNotAnException()
{
ExceptCommand command = new ExceptCommand(new ConstantExpression(1), null);
try
{
command.CatchException(null, new ValueError(null));
Assert.Fail("Exception expected");
}
catch (Exception ex)
{
Assert.IsInstanceOfType(ex, typeof(TypeError));
Assert.AreEqual("catching classes that do not inherit from BaseException is not allowed", ex.Message);
}
}