| <!DOCTYPE html> |
| <style> |
| #content { |
| height: 2000px; |
| width: 2000px; |
| } |
| </style> |
| |
| <div id='console'></div> |
| <div id='content'></div> |
| |
| <script src="../../resources/js-test.js"></script> |
| <script> |
| jsTestIsAsync = true; |
| setPrintTestResultsLazily(); |
| description('Test ensures that frame scroll position is only restored during ' + |
| 'the navigation process but does not occur after navigation is ' + |
| 'complete for same document navigations.'); |
| |
| window.scrollTo(100, 100); |
| history.pushState(null, null, '#test'); |
| |
| window.addEventListener('hashchange', _ => { |
| // after back navigation scroll position should be restored to 100,100. |
| debug('Verify that scroll position restored correctly during navigation.'); |
| shouldBe('document.scrollingElement.scrollLeft', '100'); |
| shouldBe('document.scrollingElement.scrollTop', '100'); |
| |
| // trigger a content size change that should cause the scroll position |
| // to get clamped to 0,0. |
| document.getElementById('content').style.display = 'none'; |
| shouldBe('document.scrollingElement.scrollLeft', '0'); |
| shouldBe('document.scrollingElement.scrollTop', '0'); |
| |
| // trigger another content size change and verify that scroll position is |
| // not restored. |
| debug('Verify that scroll position is not restored again after navigation is complete.'); |
| document.getElementById('content').style.display = 'block'; |
| shouldBe('document.scrollingElement.scrollLeft', '0'); |
| shouldBe('document.scrollingElement.scrollTop', '0'); |
| |
| finishJSTest(); |
| }); |
| |
| setTimeout(_ => { |
| window.scrollTo(0, 0); |
| shouldBe('document.scrollingElement.scrollLeft', '0'); |
| shouldBe('document.scrollingElement.scrollTop', '0'); |
| history.back(); |
| }, 0); |
| </script> |
