public void EqualityTest(float x, float y, float width, float height)
{
RectangleF rect1 = new RectangleF(x, y, width, height);
RectangleF rect2 = new RectangleF(width, height, x, y);
Assert.True(rect1 != rect2);
Assert.False(rect1 == rect2);
Assert.False(rect1.Equals(rect2));
}