public static void IfNullOrNotCastable <T>(
[CanBeNull][NoEnumeration] object value,
Violation message)
{
Fail.IfNull(value, message);
Fail.IfNotCastable(value, typeof(T), message);
}
public static void IfNull <T>(
[CanBeNull][AssertionCondition(AssertionConditionType.IS_NOT_NULL)]
T value,
[NotNull][System.Diagnostics.CodeAnalysis.NotNull] string name)
{
Fail.RequiresArgumentName(name);
Fail.IfNull(value, Violation.WhenVariableIsNull(name));
}
public static void IfNullOrNotCastable <T>(
[CanBeNull][NoEnumeration] object value,
[NotNull] string message,
[NotNull] params object[] args)
{
Fail.RequiresMessage(message, args);
Fail.IfNull(value, message, args);
Fail.IfNotCastable(value, typeof(T), message, args);
}
public static void IfEmpty(
[CanBeNull, AssertionCondition(AssertionConditionType.IS_NOT_NULL)] string value,
Violation message)
{
Fail.IfNull(value, message);
if (value.Length == 0)
{
throw Fail.Because(message);
}
}
public static void IfWhitespace(
[CanBeNull, AssertionCondition(AssertionConditionType.IS_NOT_NULL)] string value,
Violation message)
{
Fail.IfNull(value, message);
if (string.IsNullOrWhiteSpace(value))
{
throw Fail.Because(message);
}
}
public static void IfEmpty(
[CanBeNull, AssertionCondition(AssertionConditionType.IS_NOT_NULL)] string value,
[NotNull] string message,
[NotNull] params object[] args)
{
Fail.RequiresMessage(message, args);
Fail.IfNull(value, message, args);
if (value.Length == 0)
{
throw Fail.Because(message, args);
}
}
public static void IfWhitespace(
[CanBeNull, AssertionCondition(AssertionConditionType.IS_NOT_NULL)] string value,
[NotNull] string message,
[NotNull] params object[] args)
{
Fail.RequiresMessage(message, args);
Fail.IfNull(value, message, args);
if (string.IsNullOrWhiteSpace(value))
{
throw Fail.Because(message, args);
}
}
public static T CastOrFail <T>([CanBeNull][NoEnumeration] this object value, [CanBeNull] string name = null)
{
Type castType = typeof(T);
Fail.IfNull(value, Violation.WhenCannotCast <T>(name ?? "object", value));
if (castType.IsEnum)
{
Fail.IfEnumNotDefined <T>(value);
return((T)Enum.ToObject(castType, value));
}
Fail.IfNotCastable <T>(value, Violation.WhenCannotCast <T>(name ?? "object", value));
return((T)value);
}
public static T CastOrFail <T>([CanBeNull][NoEnumeration] this object value, [CanBeNull] string name = null)
{
Type castedType = typeof(T);
Fail.IfNull(value, Fail.notCastableMessageWithName, name ?? "object", castedType, "null");
if (castedType.IsEnum)
{
Fail.IfEnumNotDefined <T>(value);
return((T)Enum.ToObject(castedType, value));
}
Fail.IfNotCastable <T>(value, Fail.notCastableMessageWithName, name ?? "object", castedType, value);
return((T)value);
}
public static void IfNullOrNotCastable <T>([CanBeNull][NoEnumeration] object value)
{
Fail.IfNull(value, Violation.WhenCannotCast <T>("object", value));
Fail.IfNotCastable <T>(value, Violation.WhenCannotCast <T>("object", value));
}
public static void IfNullOrNotCastable <T>([CanBeNull][NoEnumeration] object value)
{
Fail.IfNull(value, Fail.notCastableMessage, typeof(T), "<null>");
Fail.IfNotCastable <T>(value, Fail.notCastableMessage, typeof(T), value);
}