public void Should_not_validate_when_non_numeric_characters_are_present()
{
var value = "12345abd";
var validationRule = new NumericInputOnlyValidationRule();
var result = validationRule.Validate(value, null);
Assert.IsFalse(result.IsValid);
Assert.IsNotNull(result.ErrorContent);
}
public void Should_validate_only_numeric_values_present()
{
var value = "1234567890";
var validationRule = new NumericInputOnlyValidationRule();
var result = validationRule.Validate(value, null);
Assert.IsTrue(result.IsValid);
}