Bytes2you.Validation.UnitTests.ValidationPredicates.StringPredicates.StringNotNullOrWhiteSpaceValidationPredicateTests.Match_Should.ReturnFalseAndUnmatchMessage_WhenArgumentConsistsOnlyOfWhiteSpaceCharacters C# (CSharp) Method

        public void ReturnFalseAndUnmatchMessage_WhenArgumentConsistsOnlyOfWhiteSpaceCharacters()
        {
            // Arrange.
            string value = "   \t\r\n   ";

            // Act.
            IValidationPredicateResult result = StringNotNullOrWhiteSpaceValidationPredicate.Instance.Match(value);

            // Assert.
            Assert.IsFalse(result.IsMatch);
            Assert.AreEqual("The argument is null, an empty string or consists only of white space characters.", result.Message);
        }