public void AndSpecification_IsValid_1of2SpecsIsTrue_thrValidationException()
{
ISpecification <string> isNotEmptySpec = new IsNotEmptySpecification();
ISpecification <string> isNullSpec = new IsNullSpecification <string>();
AndSpecification <string> andSpec = new AndSpecification <string>(isNotEmptySpec, isNullSpec);
Assert.Throws <ValidationException>(() => { andSpec.IsValid(""); });
}
public void Test_IsNull()
{
IsNullSpecification s = new IsNullSpecification();
Assert.IsTrue(s.Test(null).Success);
Assert.IsTrue(s.Test("").Success); // treat empty string as null
Assert.IsFalse(s.Test(new object()).Success);
Assert.IsFalse(s.Test(0).Success);
}
public override bool IsSatisfiedBy(string s)
{
Specification <string> length = new LengthSpecification(MIN_LENGTH, MAX_LENGTH);
Specification <string> isNull = new IsNullSpecification <string>();
Specification <string> spec = length && !isNull;
return(spec.IsSatisfiedBy(s));
}
public void Test_IsNull()
{
IsNullSpecification s = new IsNullSpecification();
Assert.IsTrue(s.Test(null).Success);
Assert.IsTrue(s.Test("").Success); // treat empty string as null
Assert.IsFalse(s.Test(new object()).Success);
Assert.IsFalse(s.Test(0).Success);
}
