public void Distance_When_Point_Is_Endpoint() { var strategy = new DistanceStrategy(); Assert.AreEqual(0, strategy.Distance(1, 0, 1, 0, 2, 0)); Assert.AreEqual(0, strategy.Distance(0, 2, 2, 0, 0, 2)); }
public void Distance_Is_Correct_Negative() { var strategy = new DistanceStrategy(); // XAxis (slope = zero) to point [1,-1] Assert.AreEqual(1, strategy.Distance(1, -1, 0, 0, 2, 0)); // 1 up from XAxis (slope = zero) to point [1,-1] Assert.AreEqual(2, strategy.Distance(1, -1, 0, 1, 2, 1)); }
public void Distance_Is_Correct_Vertical() { var strategy = new DistanceStrategy(); // YAxis (slope = infinite) to point [1, 1] Assert.AreEqual(1, strategy.Distance(1, 1, 0, 0, 0, 2)); // YAxis (slope = infinite) to point on line. Assert.AreEqual(0, strategy.Distance(0, 1, 0, 0, 0, 2)); // YAxis (slope = infinite) to point [1, 1] Assert.AreEqual(2, strategy.Distance(2, 1, 0, 0, 0, 4)); // 1 right of YAxis (slope = infinite) to point [2, 1] Assert.AreEqual(2, strategy.Distance(3, 1, 1, 0, 1, 2)); }
public void Distance_Is_Correct() { var strategy = new DistanceStrategy(); // XAxis (slope = zero) to point [1,1] Assert.AreEqual(1, strategy.Distance(1, 1, 0, 0, 2, 0)); // XAxis (slope = zero) to point [1,1] Assert.AreEqual(1, strategy.Distance(1, 1, 0, 0, 4, 0)); // XAxis (slope = zero) to point on line. Assert.AreEqual(0, strategy.Distance(1, 0, 0, 0, 4, 0)); // 1 up from XAxis (slope = zero) to point [1, 2] Assert.AreEqual(1, strategy.Distance(1, 2, 0, 1, 2, 1)); // 1 up from XAxis (slope = zero) to point [1, 2] Assert.AreEqual(1, strategy.Distance(1, 2, 0, 1, 2, 1)); }
public void Distance_Is_Correct_To_Endpoint() { var strategy = new DistanceStrategy(); // Horizontal Assert.AreEqual(5, strategy.Distance(-3, 4, 0, 0, 2, 0)); Assert.AreEqual(5, strategy.Distance(3, 4, 0, 0, -2, 0)); Assert.AreEqual(5, strategy.Distance(-3, -4, 0, 0, 2, 0)); Assert.AreEqual(5, strategy.Distance(-2, -4, 1, 0, 3, 0)); // Vertical Assert.AreEqual(5, strategy.Distance(-3, -4, 0, 0, 0, 2)); Assert.AreEqual(5, strategy.Distance(-3, -4, 0, 0, 0, 2)); // Slope Assert.AreEqual(2, strategy.Distance(-2, 2, 2, 0, 0, 2)); Assert.AreEqual(2, strategy.Distance(4, 0, 2, 0, 0, 2)); }