public static void IsNotNull(this IGuaranteeThat guarantee, object input, string parameterName = null)
{
if (null == input)
{
throw Guarantee.ExceptionFactory.ArgumentNullException("", parameterName);
}
}
public static void IsFalse(this IGuaranteeThat guarantee, bool input, string parameterName = null)
{
if (input)
{
throw Guarantee.ExceptionFactory.ArgumentException("", parameterName);
}
}
public static void IsNotNullOrEmpty(this IGuaranteeThat guarantee, string input, string parameterName = null)
{
guarantee.IsNotNull(input);
if (string.IsNullOrEmpty(input))
{
throw Guarantee.ExceptionFactory.ArgumentNullException("", parameterName);
}
}
public static void IsOfType <TExpected>(this IGuaranteeThat guarantee, object input, string parameterName = null)
{
Guarantee.That.IsNotNull(input, parameterName);
if (input.GetType() != typeof(TExpected))
{
throw Guarantee.ExceptionFactory.ArgumentException(
"",
parameterName);
}
}
public static void IsOfType(this IGuaranteeThat guarantee, object input, Type expectedType, string parameterName = null)
{
Guarantee.That.IsNotNull(input, parameterName);
Guarantee.That.IsNotNull(expectedType, nameof(expectedType));
if (input.GetType() != expectedType)
{
throw Guarantee.ExceptionFactory.ArgumentException(
"",
parameterName);
}
}
public static IEnumerable <T> HasItems <T>(this IGuaranteeThat guarantee, IEnumerable <T> value, string parameterName = null)
{
Guarantee.That.IsNotNull(value, parameterName);
if (value.Count() == 0)
{
throw Guarantee.ExceptionFactory.ArgumentException(
"",
parameterName);
}
return(value);
}
public static void SizeIsGte <T>(this IGuaranteeThat guarantee, IEnumerable <T> value, int expected, string parameterName = null)
{
Guarantee.That.IsNotNull(value, parameterName);
var count = value.Count();
if (count < expected)
{
throw Guarantee.ExceptionFactory.ArgumentException(
"",
parameterName);
}
}
