///<summary>
/// <para>Throws <see cref="ObjectIsNullContractViolationException"/> if any inspected value is null.</para>
/// <para>Throws a <see cref="EnumerableIsEmptyContractViolationException"/> if any inspected value is an empty sequence.</para>
/// </summary>
public static Inspected <TValue> NotNullOrEmptyEnumerable <TValue>(this Inspected <TValue> me)
where TValue : IEnumerable
{
me.Inspect(
inspected => !ReferenceEquals(inspected, null),
badValue => new ObjectIsNullContractViolationException(badValue));
return(me.Inspect(
inspected => inspected.Cast <object>().Any(),
badValue => new EnumerableIsEmptyContractViolationException(badValue)));
}
/// <summary>
/// <para>Throws <see cref="ObjectIsDefaultContractViolationException"/> if any inspected value is default(TValue). Such as 0 for integer, Guid.Empty for Guid, new MyStruct() for any struct.</para>
/// <para>Consider using <see cref="NotNullOrDefault{TValue}"/> instead as it works for reference types as well and is only marginally slower.</para>
/// </summary>
public static Inspected <TValue> NotDefault <TValue>(this Inspected <TValue> me)
where TValue : struct
{
return(me.Inspect(
inspected => !Equals(inspected, default(TValue)),
badValue => new ObjectIsDefaultContractViolationException(badValue)));
}
/// <summary>
/// <para>Throws <see cref="ObjectIsNullContractViolationException"/> if any inspected value is null</para>
/// <para>Consider using <see cref="NotNullOrDefault{TArgument}"/> instead as it works for value types as well and is only marginally slower.</para>
/// </summary>
public static Inspected <TValue> NotNull <TValue>(this Inspected <TValue> me)
where TValue : class
{
return(me.Inspect(
inspected => !ReferenceEquals(inspected, null),
badValue => new ObjectIsNullContractViolationException(badValue)));
}
///<summary>
/// <para>Throws <see cref="ObjectIsNullContractViolationException"/> if any expected value is null.</para>
/// <para>Throws <see cref="StringIsEmptyContractViolationException"/> if any inspected value is an empty string.</para>
/// <para>Throws <see cref="StringIsWhitespaceContractViolationException"/> if any inspected value is a string containing only whitespace.</para>
/// </summary>
public static Inspected <String> NotNullEmptyOrWhiteSpace(this Inspected <String> me)
{
me.NotNullOrEmpty(); //We want the proper exceptions
return(me.Inspect(
inspected => inspected.Trim() != String.Empty,
badValue => new StringIsWhitespaceContractViolationException(badValue)));
}
/// <summary>
/// <para>Throws <see cref="ObjectIsNullContractViolationException"/> if any inspected value is null</para>
/// <para>Throws <see cref="ObjectIsDefaultContractViolationException"/> if any inspected value is default(TValue). Such as 0 for integer, Guid.Empty for Guid, new SomeStruct().</para>
/// </summary>
public static Inspected <TValue> NotNullOrDefault <TValue>(this Inspected <TValue> me)
{
me.Inspect(
inspected => !ReferenceEquals(inspected, null),
badValue => new ObjectIsNullContractViolationException(badValue));
return(me.Inspect(
inspected =>
{
if (!inspected.GetType().IsValueType)
{
return true;
}
var valueTypeDefault = Activator.CreateInstance(inspected.GetType());
return !Equals(inspected, valueTypeDefault);
},
badValue => new ObjectIsDefaultContractViolationException(badValue)));
}
///<summary>Throws a <see cref="GuidIsEmptyContractViolationException"/> if any inspected value is Guid.Empty</summary>
public static Inspected <Guid> NotEmpty(this Inspected <Guid> me)
{
return(me.Inspect(
inspected => inspected != Guid.Empty,
badValue => new GuidIsEmptyContractViolationException(badValue)));
}
///<summary>
/// <para>Throws <see cref="ObjectIsNullContractViolationException"/> if any expected value is null.</para>
/// <para>Throws <see cref="StringIsEmptyContractViolationException"/> if any inspected value is an empty string.</para>
/// </summary>
public static Inspected <string> NotNullOrEmpty(this Inspected <string> me)
{
me.NotNull(); //We want the proper exceptions
return(me.Inspect(inspected => inspected != String.Empty,
badValue => new StringIsEmptyContractViolationException(badValue)));
}