public void TestUnorderedPairEquals()
{
IPair a = new UnorderedPair(1, 2);
Assert.IsTrue(a.Equals(a));
Assert.IsTrue(!a.Equals(null));
IPair b = new UnorderedPair(1, 2);
Assert.IsTrue(a.Equals(b));
Assert.IsTrue(b.Equals(a));
Assert.IsTrue(a.GetHashCode() == b.GetHashCode());
IPair c = new UnorderedPair(2, 1);
Assert.IsTrue(a.Equals(c));
Assert.IsTrue(c.Equals(a));
Assert.IsTrue(a.GetHashCode() == c.GetHashCode());
}
public void TestInterPairEquals()
{
IPair a = new OrderedPair(1, 2);
IPair b = new UnorderedPair(1, 2);
Assert.IsTrue(!a.Equals(b));
Assert.IsTrue(!b.Equals(a));
}
public void unordered_pair_pinning_test()
{
var pair1 = new UnorderedPair <Point>(new Point(0, 1), new Point(5, 5));
var sameAsPair1 = new UnorderedPair <Point>(new Point(0, 1), new Point(5, 5));
var p1 = new Point(5, 5);
var p2 = new Point(0, 1);
var pair1Flipped = new UnorderedPair <Point>(p1, p2);
var pair2 = new UnorderedPair <Point>(new Point(0, -5), new Point(5, 5));
Assert.True(pair1.Equals(pair1), "UnorderedPair.Equals works on self");
Assert.True(pair1.Equals(sameAsPair1), "UnorderedPair.Equals works on identical set");
Assert.True(pair1.Equals(pair1Flipped), "UnorderedPair.Equals works on flipped set");
Assert.False(pair1.Equals(pair2), "UnorderedPair.Equals should be false for 2 different pairs");
Assert.True(pair1 == sameAsPair1, "UnorderedPair == works on identical set");
Assert.True(pair1 == pair1Flipped, "UnorderedPair == works on flipped set");
Assert.False(pair1 == pair2, "UnorderedPair == should be false for 2 different pairs");
}