public void ThrowArgumentNullException_WhenValueArgumentIsNull()
{
// Arrange.
IValidationPredicate<string> validationPredicate = new StringNotRegexMatchValidationPredicate("abc");
// Act & Assert.
Ensure.ArgumentNullExceptionIsThrown(() =>
{
validationPredicate.Match(null);
}, "value");
}
public void ReturnTrueAndMatchMessage_WhenArgumentIsEmpty()
{
// Arrange.
IValidationPredicate<string> validationPredicate = new StringNotRegexMatchValidationPredicate("abc");
string value = string.Empty;
// Act.
IValidationPredicateResult result = validationPredicate.Match(value);
// Assert.
Assert.IsTrue(result.IsMatch);
Assert.AreEqual("Argument value <> does not contain a match of the regular expression <abc>.", result.Message);
}
public void ReturnFalseAndUnmatchMessage_WhenArgumentContainsMatch()
{
// Arrange.
IValidationPredicate<string> validationPredicate = new StringNotRegexMatchValidationPredicate("abc");
string value = "xxxabcxxx";
// Act.
IValidationPredicateResult result = validationPredicate.Match(value);
// Assert.
Assert.IsFalse(result.IsMatch);
Assert.AreEqual("Argument value <xxxabcxxx> contains a match of the regular expression <abc>.", result.Message);
}