// Testing overlapsWithRect
    // Not Overlapping by one pixel
    Rect_1 = [[PERectangle alloc] initWithRect:CGRectMake(0, 0, 100, 100)];
    Rect_2 = [[PERectangle alloc] initWithRect:CGRectMake(101, 101, 100, 100)];
    if ([Rect_1 overlapsWithRect:Rect_2])return 0;

    // Corners overlapping/touching by one pixel
    Rect_1 = [[PERectangle alloc] initWithRect:CGRectMake(0, 0, 100, 100)];
    Rect_2 = [[PERectangle alloc] initWithRect:CGRectMake(100, 100, 100, 100)];
    if (![Rect_1 overlapsWithRect:Rect_2]) return 0;

    // Rotate Both by 45 (Should not Overlap Anymore)
    [Rect_1 rotate:45];
    [Rect_2 rotate:45];
    if ([Rect_1 overlapsWithRect:Rect_2]) return 00;

    // Sides overlapping/touching
    Rect_1 = [[PERectangle alloc] initWithRect:CGRectMake(0, 0, 200, 200)];
    Rect_2 = [[PERectangle alloc] initWithRect:CGRectMake(0, 200, 200, 200)];
    if(![Rect_1 overlapsWithRect:Rect_2])return 0;

    // One totally inside another
    Rect_1 = [[PERectangle alloc] initWithRect:CGRectMake(0, 0, 300, 300)];
    Rect_2 = [[PERectangle alloc] initWithRect:CGRectMake(100, 100, 100, 100)];
    if (![Rect_1 overlapsWithRect:Rect_2]) return 0;

    //Overlap with 2 corners
    Rect_1 = [[PERectangle alloc] initWithRect:CGRectMake(0, 0, 300, 300)];
    Rect_2 = [[PERectangle alloc] initWithRect:CGRectMake(150, 50, 200, 200)];
    if (![Rect_1 overlapsWithRect:Rect_2]) return 0;

    // Overlap but corners not inside each other
    Rect_1 = [[PERectangle alloc] initWithRect:CGRectMake(0, 50, 300, 100)];
    Rect_2 = [[PERectangle alloc] initWithRect:CGRectMake(50, 0, 100, 300)];
    if (![Rect_1 overlapsWithRect:Rect_2]) return 0;