public void EqualityComparisonsWork()
{
var basePoint = new XYPoint(0, 2);
var matchingPoint = new XYPoint(0, 2);
var nonMatchingPoint = new XYPoint(2, 0);
var anotherNonMatchingPoint = new XYPoint(0, 1);
Assert.IsTrue(basePoint.Equals(matchingPoint));
Assert.IsTrue(basePoint == matchingPoint);
Assert.IsFalse(basePoint != matchingPoint);
Assert.IsFalse(basePoint.Equals(nonMatchingPoint));
Assert.IsFalse(basePoint == nonMatchingPoint);
Assert.IsTrue(basePoint != nonMatchingPoint);
Assert.IsFalse(basePoint.Equals(anotherNonMatchingPoint));
Assert.IsFalse(basePoint == anotherNonMatchingPoint);
Assert.IsTrue(basePoint != anotherNonMatchingPoint);
Assert.IsFalse(ReferenceEquals(basePoint, matchingPoint));
Assert.AreEqual(basePoint, matchingPoint);
Assert.AreNotEqual(basePoint, nonMatchingPoint);
}
public void Equals()
{
XYPoint p1 = new XYPoint(2,3);
XYPoint p2 = new XYPoint(2,3);
XYPoint p3 = new XYPoint(2,-3);
XYLine l1 = new XYLine(2,3,3,4);
Assert.AreEqual(true, p1.Equals(p1),"Test1");
Assert.AreEqual(true, p1.Equals(p2),"Test2");
Assert.AreEqual(false, p1.Equals(p3),"Test3");
Assert.AreEqual(false, p1.Equals(l1),"Test4");
}