public void GetHashCodeViaDictionary()
{
var triangle1 = new Triangle2D(new Point(1, 2), new Point(3, 4), new Point(5, 6));
var triangle1Similar = new Triangle2D(new Point(1, 2), new Point(3, 4), new Point(15, 16));
var triangle2 = new Triangle2D(new Point(11, 12), new Point(13, 14), new Point(15, 16));
var triangles = new Dictionary<Triangle2D, int> { { triangle1, 1 }, { triangle2, 2 } };
Assert.IsTrue(triangles.ContainsKey(triangle1));
Assert.IsTrue(triangles.ContainsKey(triangle2));
Assert.IsFalse(
triangles.ContainsKey(new Triangle2D(new Point(1, 2), new Point(3, 4), new Point(5, 7))));
Assert.AreNotEqual(triangle1.GetHashCode(), triangle1Similar.GetHashCode());
}
public void GetHashCodeViaDictionary()
{
var triangle1 = new Triangle2D(new Vector2D(1, 2), new Vector2D(3, 4), new Vector2D(5, 6));
var triangle1Similar = new Triangle2D(new Vector2D(1, 2), new Vector2D(3, 4),
new Vector2D(15, 16));
var triangle2 = new Triangle2D(new Vector2D(11, 12), new Vector2D(13, 14),
new Vector2D(15, 16));
var triangles = new Dictionary <Triangle2D, int> {
{ triangle1, 1 }, { triangle2, 2 }
};
Assert.IsTrue(triangles.ContainsKey(triangle1));
Assert.IsTrue(triangles.ContainsKey(triangle2));
Assert.IsFalse(
triangles.ContainsKey(new Triangle2D(new Vector2D(1, 2), new Vector2D(3, 4),
new Vector2D(5, 7))));
Assert.AreNotEqual(triangle1.GetHashCode(), triangle1Similar.GetHashCode());
}
