public void Expression_NotNullArgument_ShouldReturnExpressionCallingSpecifiedProperty()
{
//Arrange
var expression = ExpressionReflection.Expression <DateTime>("Day");
var argument = DateTime.Now;
Assert.That(argument.Day, Is.EqualTo(expression.Compile().Invoke(argument)));
}
private static Expression <Func <ComponentInterface, object> > ParseOrderByParameter(string orderBy)
{
Contract.Ensures(Contract.Result <Expression <Func <ComponentInterface, object> > >() != null);
try
{
return(ExpressionReflection.Expression <ComponentInterface>(orderBy));
}
catch (Exception ex)
{
throw new InvalidInputException(string.Format(Messages.InvalidOrderByParameterMsg, orderBy), ex);
}
}
public void Expression_NullOrEmptyArgument_ShouldThrowArgumentNullExpression(string arg)
{
Assert.That(() => ExpressionReflection.Expression <DateTime>(arg),
Throws.InstanceOf <ArgumentNullException>());
}