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":292.5,"top":0,"right":392.5,"bottom":292.5,"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":232.5,"width":785,"height":585,"top":232.5,"right":867.5,"bottom":817.5,"left":82.5} JSON.stringify(internals.visualViewportRect()) is {"x":475,"y":525,"width":392.5,"height":292.5,"top":525,"right":867.5,"bottom":817.5,"left":475} client rect of top: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-392.5,"y":-292.5,"width":785,"height":100,"top":-292.5,"right":392.5,"bottom":-192.5,"left":-392.5} client rect of bottom: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-392.5,"y":192.5,"width":785,"height":100,"top":192.5,"right":392.5,"bottom":292.5,"left":-392.5} client rect of left: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-392.5,"y":-292.5,"width":100,"height":585,"top":-292.5,"right":-292.5,"bottom":292.5,"left":-392.5} client rect of right: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":292.5,"y":-292.5,"width":100,"height":585,"top":-292.5,"right":392.5,"bottom":292.5,"left":292.5} Scrolled to 100, 776 JSON.stringify(internals.layoutViewportRect()) is {"x":82.5,"y":483.5,"width":785,"height":585,"top":483.5,"right":867.5,"bottom":1068.5,"left":82.5} JSON.stringify(internals.visualViewportRect()) is {"x":100,"y":776,"width":392.5,"height":292.5,"top":776,"right":492.5,"bottom":1068.5,"left":100} client rect of top: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-17.5,"y":-292.5,"width":785,"height":100,"top":-292.5,"right":767.5,"bottom":-192.5,"left":-17.5} client rect of bottom: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-17.5,"y":192.5,"width":785,"height":100,"top":192.5,"right":767.5,"bottom":292.5,"left":-17.5} client rect of left: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":-17.5,"y":-292.5,"width":100,"height":585,"top":-292.5,"right":82.5,"bottom":292.5,"left":-17.5} client rect of right: JSON.stringify(fixedElement.getBoundingClientRect()) is {"x":667.5,"y":-292.5,"width":100,"height":585,"top":-292.5,"right":767.5,"bottom":292.5,"left":667.5} Scrolled to 50, 300 JSON.stringify(internals.layoutViewportRect()) is {"x":50,"y":300,"width":785,"height":585,"top":300,"right":835,"bottom":885,"left":50} JSON.stringify(internals.visualViewportRect()) is {"x":50,"y":300,"width":392.5,"height":292.5,"top":300,"right":442.5,"bottom":592.5,"left":50} 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} PASS successfullyParsed is true TEST COMPLETE