public void EqualityTests()
{
Rect2 rect1 = new Rect2(10, 20, 50, 30);
Rect2 rect2 = new Rect2(10, 20, 50, 30);
Rect2 rect3 = new Rect2(2, 2, 2, 2);
object value = 123;
Assert.True(rect1.Equals(rect2));
Assert.True(rect1.Equals((object)rect2));
Assert.True(rect1 == rect2);
Assert.True(rect1 != rect3);
Assert.Equal(rect1.GetHashCode(), rect2.GetHashCode());
Assert.False(rect1.Equals(rect3));
Assert.False(rect1.Equals(value));
Assert.False(rect1 == rect3);
Assert.False(rect1 != rect2);
Assert.NotEqual(rect1.GetHashCode(), rect3.GetHashCode());
}