This test zooms and scrolls the page and checks the positions of fixed-position objects. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". JSON.stringify(internals.layoutViewportRect()) is {"x":0,"y":0,"width":785,"height":585,"top":0,"right":785,"bottom":585,"left":0} JSON.stringify(internals.visualViewportRect()) is {"x":0,"y":0,"width":392.5,"height":271,"top":0,"right":392.5,"bottom":271,"left":0} client rect of top: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":0,"y":0,"width":785,"height":100,"top":0,"right":785,"bottom":100,"left":0} client rect of bottom: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":0,"y":485,"width":785,"height":100,"top":485,"right":785,"bottom":585,"left":0} client rect of left: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":0,"y":0,"width":100,"height":585,"top":0,"right":100,"bottom":585,"left":0} client rect of right: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":685,"y":0,"width":100,"height":585,"top":0,"right":785,"bottom":585,"left":685} Scrolled to 475, 525 JSON.stringify(internals.layoutViewportRect()) is {"x":82.5,"y":211,"width":785,"height":585,"top":211,"right":867.5,"bottom":796,"left":82.5} JSON.stringify(internals.visualViewportRect()) is {"x":475,"y":503.5,"width":392.5,"height":292.5,"top":503.5,"right":867.5,"bottom":796,"left":475} client rect of top: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-392.5,"y":-314,"width":785,"height":100,"top":-314,"right":392.5,"bottom":-214,"left":-392.5} client rect of bottom: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-392.5,"y":171,"width":785,"height":100,"top":171,"right":392.5,"bottom":271,"left":-392.5} client rect of left: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-392.5,"y":-314,"width":100,"height":585,"top":-314,"right":-292.5,"bottom":271,"left":-392.5} client rect of right: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":292.5,"y":-314,"width":100,"height":585,"top":-314,"right":392.5,"bottom":271,"left":292.5} Scrolled to 100, 776 JSON.stringify(internals.layoutViewportRect()) is {"x":82.5,"y":462,"width":785,"height":585,"top":462,"right":867.5,"bottom":1047,"left":82.5} JSON.stringify(internals.visualViewportRect()) is {"x":100,"y":754.5,"width":392.5,"height":292.5,"top":754.5,"right":492.5,"bottom":1047,"left":100} client rect of top: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-17.5,"y":-314,"width":785,"height":100,"top":-314,"right":767.5,"bottom":-214,"left":-17.5} client rect of bottom: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-17.5,"y":171,"width":785,"height":100,"top":171,"right":767.5,"bottom":271,"left":-17.5} client rect of left: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-17.5,"y":-314,"width":100,"height":585,"top":-314,"right":82.5,"bottom":271,"left":-17.5} client rect of right: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":667.5,"y":-314,"width":100,"height":585,"top":-314,"right":767.5,"bottom":271,"left":667.5} Scrolled to 50, 300 JSON.stringify(internals.layoutViewportRect()) is {"x":50,"y":278.5,"width":785,"height":585,"top":278.5,"right":835,"bottom":863.5,"left":50} JSON.stringify(internals.visualViewportRect()) is {"x":50,"y":278.5,"width":392.5,"height":292.5,"top":278.5,"right":442.5,"bottom":571,"left":50} client rect of top: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":0,"y":-21.5,"width":785,"height":100,"top":-21.5,"right":785,"bottom":78.5,"left":0} client rect of bottom: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":0,"y":463.5,"width":785,"height":100,"top":463.5,"right":785,"bottom":563.5,"left":0} client rect of left: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":0,"y":-21.5,"width":100,"height":585,"top":-21.5,"right":100,"bottom":563.5,"left":0} client rect of right: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":685,"y":-21.5,"width":100,"height":585,"top":-21.5,"right":785,"bottom":563.5,"left":685} PASS successfullyParsed is true TEST COMPLETE