public void SatisfiedByHandlesNull(string value, bool expected)
{
var isNull = new TestSpecification <string>(val => val == null);
var result = new Negated <string>(isNull).IsSatisfiedBy(value);
result.Should()
.Be(expected);
}
public void SatisfiedByYieldCorrectResult(int value, bool expected)
{
var isPositive = new TestSpecification <int>(val => val > 0);
var result = new Negated <int>(isPositive).IsSatisfiedBy(value);
result.Should()
.Be(expected);
}