| <!DOCTYPE html> |
| <meta name=timeout content=long> |
| <title>Precedence of scroll restoration mode over fragment scrolling in cross-origin history traversal</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/get-host-info.sub.js"></script> |
| <style> |
| iframe { |
| height: 300px; |
| width: 300px; |
| } |
| </style> |
| <div id="log"></div> |
| <script> |
| 'use strict'; |
| |
| var next; |
| function frameOnload() { |
| if (next) { |
| next(); |
| } else { |
| // The test does the following navigation steps for iframe |
| // 1. load page-with-fragment.html#fragment |
| // 2. load blank1 |
| // 3. go back to page-with-fragment.html |
| async_test(function(t) { |
| var iframe = document.querySelector('iframe'); |
| var hostInfo = get_host_info(); |
| var basePath = location.pathname.substring(0, location.pathname.lastIndexOf('/')); |
| var localURL = hostInfo.HTTP_ORIGIN + basePath + '/resources/page-with-fragment.html#fragment'; |
| var remoteURL = hostInfo.HTTP_REMOTE_ORIGIN + basePath + "/resources/blank1.html" |
| |
| var steps = [ |
| function() { |
| assert_equals(iframe.contentWindow.location.href, localURL, 'should be on page-with-fragment page'); |
| // wait one animation frame to ensure layout is run and fragment scrolling is complete |
| iframe.contentWindow.requestAnimationFrame(function() { |
| assert_approx_equals(iframe.contentWindow.scrollY, 800, 5, 'should scroll to fragment'); |
| |
| iframe.contentWindow.history.scrollRestoration = 'manual'; |
| assert_equals(iframe.contentWindow.history.scrollRestoration, 'manual'); |
| setTimeout(next, 0); |
| }); |
| }, function() { |
| // navigate to a new page from a different origin |
| iframe.src = remoteURL; |
| }, function() { |
| // going back causes the iframe to traverse back |
| history.back(); |
| }, function() { |
| // coming back from history, scrollRestoration should be set to manual and respected |
| assert_equals(iframe.contentWindow.location.href, localURL, 'should be back on page-with-fragment page'); |
| iframe.contentWindow.requestAnimationFrame(t.step_func_done(function() { |
| assert_equals(iframe.contentWindow.history.scrollRestoration, 'manual', 'navigating back should retain scrollRestoration value'); |
| assert_equals(iframe.contentWindow.scrollX, 0, 'should not scroll to fragment'); |
| assert_equals(iframe.contentWindow.scrollY, 0, 'should not scroll to fragment'); |
| })); |
| } |
| ]; |
| |
| var stepCount = 0; |
| next = t.step_func(function() { |
| steps[stepCount++](); |
| }); |
| next(); |
| }, 'Manual scroll restoration should take precedent over scrolling to fragment in cross origin navigation'); |
| } |
| } |
| </script> |
| <iframe src="resources/page-with-fragment.html#fragment" onload="frameOnload()"></iframe> |
| |
