/// <summary>
/// Verify whether value is greater than or equal special maxlength.
/// minLength must be greater than or equal to zero.
/// Allow value is null
/// </summary>
/// <param name="value">Value</param>
/// <param name="minLength">min length,must be greater than or equal to zero</param>
/// <returns>Return whether the verification has passed</returns>
public static bool MinLength(this object value, int minLength)
{
if (minLength < 0)
{
throw new ArgumentException($"{nameof(minLength)} must be greater than or equal to zero");
}
var minLengthAttribute = new MinLengthAttribute(minLength);
return(minLengthAttribute.IsValid(value));
}
protected override ValidationResult?IsValid(object?value, ValidationContext validationContext)
{
var required = new RequiredAttribute();
var length = new MinLengthAttribute(IdentityPasswordConstants.RequiredLength);
if (!required.IsValid(value))
{
return(new ValidationResult(SharedValidationConstants.RequiredPassword));
}
return(!length.IsValid(value)
? new ValidationResult(SharedValidationConstants.InvalidPasswordLength)
: ValidationResult.Success);
}
public void CheckMinLength()
{
var attr = new MinLengthAttribute(2);
Assert.IsTrue(attr.IsValid(null), "#A1");
Assert.IsFalse(attr.IsValid("1"), "#A2");
Assert.IsTrue(attr.IsValid("12"), "#A3");
Assert.IsTrue(attr.IsValid("123"), "#A4");
Assert.IsFalse(attr.IsValid(BuildQuickList(1)), "#A5");
Assert.IsTrue(attr.IsValid(BuildQuickList(2)), "#A6");
Assert.IsTrue(attr.IsValid(BuildQuickList(3)), "#A7");
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
if (Optional && value == null)
{
return(ValidationResult.Success);
}
var result = IfMethodValid(value, validationContext);
if (result.Item1 != IfValidResult.ContinueValidation)
{
return(result.Item2);
}
return(_attr.IsValid(value)
? ValidationResult.Success
: new ValidationResult(String.Format(CultureInfo.CurrentCulture, ErrorMessageString,
validationContext.DisplayName ?? validationContext.MemberName), new[] { validationContext.MemberName }));
}
public override bool IsValid(object value)
{
if (value == null)
{
return(false);
}
if (value.GetType() == typeof(string))
{
var minValAttr = new MinLengthAttribute((int)MinimumValue);
return(minValAttr.IsValid(value));
}
if (Convert.ToDouble(value) < MinimumValue)
{
return(false);
}
return(true);
}
public void Validate_ICollection_NetCore_Valid(MinLengthAttribute attribute, object value)
{
attribute.Validate(value, new ValidationContext(new object()));
Assert.True(attribute.IsValid(value));
}
public void Validate_ICollection_NetFx_ThrowsInvalidCastException(MinLengthAttribute attribute, object value)
{
Assert.Throws <InvalidCastException>(() => attribute.Validate(value, new ValidationContext(new object())));
Assert.Throws <InvalidCastException>(() => attribute.IsValid(value));
}
public void Validate_ICollection_NetCore_Invalid(MinLengthAttribute attribute, object value)
{
Assert.Throws <ValidationException>(() => attribute.Validate(value, new ValidationContext(new object())));
Assert.False(attribute.IsValid(value));
}