public void AddLessThanOrEqualValidationPredicate()
{
// Arrange.
ValidatableArgument<byte> argument = new ValidatableArgument<byte>("argument", 3);
// Act.
argument.IsLessThanOrEqual(5);
// Assert.
Assert.AreEqual(1, argument.ValidationPredicates.Count());
Assert.IsInstanceOfType(argument.ValidationPredicates.First(), typeof(LessThanOrEqualValidationPredicate<byte>));
}
}