/// <summary>
/// Validates that the member with the given name can be read as a <see cref="System.Double"/>, and when read as such
/// it is within the given range.
/// </summary>
/// <param name="value">The <see cref="System.Json.JsonObject"/> to which the validation will be applied.</param>
/// <param name="key">The key of the member to search.</param>
/// <param name="min">The lower bound of the range check.</param>
/// <param name="max">The upper bound of the range check.</param>
/// <returns>This object, so that other validation operations can be chained.</returns>
/// <exception cref="System.ComponentModel.DataAnnotations.ValidationException">If the validation failed.</exception>
public static JsonObject ValidateRange(this JsonObject value, string key, double min, double max)
{
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
}
value.ValidateTypeOf <double>(key);
return(value.ValidateRange <double>(key, value[key].ReadAs <double>(), new RangeAttribute(min, max)));
}
/// <summary>
/// Validates that the member with the given name can be read as the given type, and when read as such
/// it is within the given range.
/// </summary>
/// <typeparam name="T">The type of the member.</typeparam>
/// <param name="value">The <see cref="System.Json.JsonObject"/> to which the validation will be applied.</param>
/// <param name="key">The key of the member to search.</param>
/// <param name="min">The lower bound of the range check.</param>
/// <param name="max">The upper bound of the range check.</param>
/// <returns>This object, so that other validation operations can be chained.</returns>
/// <exception cref="System.ComponentModel.DataAnnotations.ValidationException">If the validation failed.</exception>
public static JsonObject ValidateRange <T>(this JsonObject value, string key, T min, T max) where T : IComparable
{
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
}
if (min == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("min");
}
if (max == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("max");
}
value.ValidateTypeOf <T>(key);
return(value.ValidateRange <T>(key, value[key].ReadAs <T>(), new RangeAttribute(typeof(T), min.ToString(), max.ToString())));
}
public void ValidationAPITest()
{
JsonObject jo = new JsonObject();
jo.Add("date", new DateTime(2000, 1, 1, 0, 0, 0));
jo.Add("int", 1);
jo.Add("double", 1.1);
jo.Add("string", "12CharString");
jo.Add("enum", "Number");
jo.ValidatePresence("date")
.ValidateEnum("enum", typeof(JsonType))
.ValidateRange("double", 0.1, 1.2)
.ValidateRange("int", 0, 2)
.ValidateRange<DateTime>("date", DateTime.MinValue, DateTime.MaxValue)
.ValidateRegularExpression("int", "^.+$")
.ValidateStringLength("string", 15)
.ValidateStringLength("string", 0, 15)
.ValidateTypeOf<double>("int")
.ValidateCustomValidator("string", typeof(MyCustomValidationClass), "IsStringContainsCharSimple")
.ValidateCustomValidator("string", typeof(MyCustomValidationClass), "IsStringContainsCharComplex");
ExceptionTestHelper.ExpectException<ValidationException>(delegate { jo.ValidatePresence("invalidkey"); });
ExceptionTestHelper.ExpectException<ValidationException>(delegate { jo.ValidateEnum("date", typeof(JsonType)); });
ExceptionTestHelper.ExpectException<ValidationException>(delegate { jo.ValidateRange("double", 2.2, 3.2); });
ExceptionTestHelper.ExpectException<ValidationException>(delegate { jo.ValidateRange("int", 2, 3); });
ExceptionTestHelper.ExpectException<ValidationException>(delegate { jo.ValidateRange<DateTime>("date", DateTime.MaxValue, DateTime.MaxValue); });
ExceptionTestHelper.ExpectException<ValidationException>(delegate { jo.ValidateRegularExpression("string", "doesnotmatch"); });
ExceptionTestHelper.ExpectException<ValidationException>(delegate { jo.ValidateStringLength("string", 10); });
ExceptionTestHelper.ExpectException<ValidationException>(delegate { jo.ValidateStringLength("string", 15, 25); });
ExceptionTestHelper.ExpectException<ValidationException>(delegate { jo.ValidateTypeOf<double>("date"); });
ExceptionTestHelper.ExpectException<ValidationException>(delegate { jo.ValidateCustomValidator("enum", typeof(MyCustomValidationClass), "IsStringContainsCharSimple"); });
ExceptionTestHelper.ExpectException<ValidationException>(delegate { jo.ValidateCustomValidator("enum", typeof(MyCustomValidationClass), "IsStringContainsCharComplex"); });
}