manual-scroll-fragment-does-not-exist.html (1198B)
1 <!doctype html> 2 <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1"> 3 <script src="/resources/testharness.js"></script> 4 <script src="/resources/testharnessreport.js"></script> 5 <body> 6 <div style="height: 200vh; width: 200vw;"></div> 7 <div id="frag"></div> 8 <script> 9 promise_test(async t => { 10 // Wait for after the load event so that the navigation doesn't get converted 11 // into a replace navigation. 12 await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0)); 13 await navigation.navigate("#frag").finished; 14 assert_not_equals(window.scrollY, 0); 15 16 let intercept_resolve; 17 let navigate_event; 18 navigation.onnavigate = e => { 19 navigate_event = e; 20 e.intercept({ handler: () => new Promise(r => intercept_resolve = r), 21 scroll: "manual" }); 22 }; 23 let promises = navigation.navigate("#does-not-exist"); 24 await promises.committed; 25 assert_not_equals(window.scrollY, 0); 26 navigate_event.scroll(); 27 assert_not_equals(window.scrollY, 0); 28 intercept_resolve(); 29 await promises.finished; 30 assert_not_equals(window.scrollY, 0); 31 }, "scroll: scroll() should do nothing when the fragment does not exist"); 32 </script> 33 </body>