| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <script> |
| description( |
| "This tests that negative scrollTop and scrollLeft values are clamped to zero." |
| ); |
| |
| var scroller = document.createElement('div'); |
| scroller.id = 'scroller'; |
| scroller.style.overflow = 'scroll'; |
| scroller.style.width = '200px'; |
| scroller.style.height = '200px'; |
| |
| var contents = document.createElement('div'); |
| contents.style.width = '400px'; |
| contents.style.height = '400px'; |
| |
| scroller.appendChild(contents); |
| document.body.appendChild(scroller); |
| |
| function attemptScroll(x, y) |
| { |
| scroller.scrollTop = x; |
| scroller.scrollLeft = y; |
| return scroller.scrollTop + ',' + scroller.scrollLeft; |
| } |
| |
| shouldBe("attemptScroll(0, 0)", "'0,0'"); |
| shouldBe("attemptScroll(50, 50)", "'50,50'"); |
| shouldBe("attemptScroll(-50, -50)", "'0,0'"); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
