public void ChainableComparerPassesThroughInputCorrectyWhenSetToOff()
{
//Given
var chainableComparer = new ChainableComparer();
chainableComparer.IsOn.State = false;
var truthTable = new List <CompareInputOutput>
{
new CompareInputOutput(false, false, isLessThan: true),
new CompareInputOutput(false, true),
new CompareInputOutput(true, false, isLessThan: true),
new CompareInputOutput(true, true, isGreaterThan: true)
};
foreach (var t in truthTable)
{
//When
chainableComparer.InputA.State = t.InputA;
chainableComparer.InputB.State = t.InputB;
chainableComparer.IsLessThanInput.State = t.IsLessThan;
chainableComparer.IsGreaterThanInput.State = t.IsGreaterThan;
//Then
chainableComparer.IsLessThanOutput.State.Should().Be(t.IsLessThan);
chainableComparer.IsEqualToOutput.State.Should().Be(t.IsEqualTo);
chainableComparer.IsGreaterThanOutput.State.Should().Be(t.IsGreaterThan);
}
}
public void Explore()
{
Property2ChainableComparer inheritor = new Property2ChainableComparer();
Assert.That(inheritor, Is.InstanceOf <IComparer <ComparisonSubject> >(), "is a proper comparer");
ComparisonSubject x = new ComparisonSubject("x", 1, 1m), y = new ComparisonSubject("y", 1, 2m);
Assert.That(inheritor.Compare(x, y), Is.EqualTo(0), "x.Property2 == y.Property2");
ChainableComparer <ComparisonSubject> asc = inheritor.Then(new Property3ChainableComparer());
Assert.That(x, Is.LessThan(y).Using(asc), "x.Properyty3 < y.Property2");
ChainableComparer <ComparisonSubject> desc = new Property2ChainableComparer()
.Then(new Property3ChainableComparer(Direction.Descending));
Assert.That(x, Is.GreaterThan(y).Using(desc), "x.Properyty3 > y.Property2");
var chainable = new Property2ChainableComparer();
Assert.That(chainable.Compare(x, null), Is.GreaterThan(0));
Assert.That(chainable.Compare(null, y), Is.LessThan(0));
Assert.That(chainable.Compare(null, null), Is.EqualTo(0));
}
public void ChainableComparerComparesCorrectlyWhenSetToOn()
{
//Given
var truthTable = new List <CompareInputOutput>
{
new CompareInputOutput(false, false, isEqualTo: true),
new CompareInputOutput(false, true, isLessThan: true),
new CompareInputOutput(true, false, isGreaterThan: true),
new CompareInputOutput(true, true, isEqualTo: true),
};
var chainableComparer = new ChainableComparer();
chainableComparer.IsOn.State = true;
foreach (var t in truthTable)
{
Trace.WriteLine(t);
//When
chainableComparer.InputA.State = t.InputA;
chainableComparer.InputB.State = t.InputB;
//Then
chainableComparer.IsLessThanOutput.State.Should().Be(t.IsLessThan);
chainableComparer.IsEqualToOutput.State.Should().Be(t.IsEqualTo);
chainableComparer.IsGreaterThanOutput.State.Should().Be(t.IsGreaterThan);
}
}
