This test zooms and scrolls the page and checks that client rects are correct. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". layoutViewport: 0, 0 - 785 x 585 visualViewportRect: 0, 0 - 392.5 x 292.5 fixed client bounds: 12, 10 - 30 x 20 fixed client rect: 12, 10 - 30 x 20 absolute client bounds: 120, 100 - 50 x 25 absolute client rect: 120, 100 - 50 x 25 Scrolled to 476, 526 layoutViewport: 83.5, 233.5 - 785 x 585 visualViewportRect: 476, 526 - 392.5 x 292.5 fixed client bounds: -380.5, -282.5 - 30 x 20 fixed client rect: -380.5, -282.5 - 30 x 20 absolute client bounds: -356, -426 - 50 x 25 absolute client rect: -356, -426 - 50 x 25 Scrolled to 100, 776 layoutViewport: 83.5, 483.5 - 785 x 585 visualViewportRect: 100, 776 - 392.5 x 292.5 fixed client bounds: -4.5, -282.5 - 30 x 20 fixed client rect: -4.5, -282.5 - 30 x 20 absolute client bounds: 20, -676 - 50 x 25 absolute client rect: 20, -676 - 50 x 25 Scrolled to 50, 300 layoutViewport: 50, 300 - 785 x 585 visualViewportRect: 50, 300 - 392.5 x 292.5 fixed client bounds: 12, 10 - 30 x 20 fixed client rect: 12, 10 - 30 x 20 absolute client bounds: 70, -200 - 50 x 25 absolute client rect: 70, -200 - 50 x 25 PASS successfullyParsed is true TEST COMPLETE