| public IsValid ( object value ) : bool | ||
| value | object | The value of the object to validate. |
| return | bool | |
public override bool IsValid(object value)
{
if (value == null) return true;
double valueAsDouble;
var isDouble = double.TryParse(Convert.ToString(value), out valueAsDouble);
return isDouble && valueAsDouble >= _min;
}
public void IsValidIntegerTests()
{
const int min = 42;
var attribute = new MinAttribute(min);
Assert.IsTrue(attribute.IsValid(null)); // Optional values are always valid
Assert.IsTrue(attribute.IsValid("42"));
Assert.IsTrue(attribute.IsValid(42.5));
Assert.IsTrue(attribute.IsValid("50"));
Assert.IsTrue(attribute.IsValid(100));
Assert.IsTrue(attribute.IsValid("10000000000"));
Assert.IsFalse(attribute.IsValid("41"));
Assert.IsFalse(attribute.IsValid("10"));
Assert.IsFalse(attribute.IsValid(0));
Assert.IsFalse(attribute.IsValid("-1"));
Assert.IsFalse(attribute.IsValid(-50));
Assert.IsFalse(attribute.IsValid("fifty"));
}