public void ChangingComparerTest()
{
RangeConstraint test = new RangeConstraint(5, 42);
Comparison <int> rComparer = (x, y) => y.CompareTo(x);
Comparison <int> comparer = (x, y) => x.CompareTo(y);
Assert.DoesNotThrow(() => test.ApplyTo(7));
test.Using(rComparer);
Assert.Throws <ArgumentException>(() => test.ApplyTo(7));
Assert.Throws <ArgumentException>(() => test.Using(rComparer).ApplyTo(7));
Assert.DoesNotThrow(() => test.Using(comparer).ApplyTo(7));
test.Using(comparer);
Assert.DoesNotThrow(() => test.ApplyTo(7));
}
public void RangeConstructorComparerThrowExceptionIfFromIsLessThanTo(object testObj, object from, object to, System.Collections.IComparer comparer)
{
RangeConstraint test = new RangeConstraint(from, to);
test.Using(comparer);
test.ApplyTo(testObj);
}