public void TestMassProperties() { Triangle2 testTriangle = new Triangle2( new Vector2(100.0f, 100.0f), new Vector2(110.0f, 100.0f), new Vector2(105.0f, 110.0f) ); Assert.AreEqual( new Vector2(105.0f, 103.33333333333333f), testTriangle.CenterOfMass, "Center of mass is correctly positioned" ); Assert.AreEqual(50.0f, testTriangle.Area, "Mass of triangle is exactly determined"); Assert.AreEqual( 18.708286933869708f, testTriangle.CircumferenceLength, "Surface area of triangle is exactly determined" ); }