after-transition-reject.html (997B)
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 assert_equals(window.scrollY, 0); 14 await navigation.navigate("#frag").finished; 15 assert_not_equals(window.scrollY, 0); 16 navigation.onnavigate = 17 e => e.intercept({ handler: () => Promise.reject(), 18 scroll: "after-transition" }); 19 20 await promise_rejects_exactly(t, undefined, navigation.back().finished); 21 assert_not_equals(window.scrollY, 0); 22 }, "scroll: after-transition should not scroll when the intercept() handler rejects"); 23 </script> 24 </body>