public void ReturnFalseAndUnmatchMessage_WhenArgumentHasElements()
{
// Arrange.
int[] value = new int[] { 3, 4, 5 };
// Act.
IValidationPredicateResult result = EnumerableNullOrEmptyValidationPredicate<int[]>.Instance.Match(value);
// Assert.
Assert.IsFalse(result.IsMatch);
Assert.AreEqual("The argument has elements.", result.Message);
}