11cb0ef41Sopenharmony_ci<!DOCTYPE HTML> 21cb0ef41Sopenharmony_ci<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1"> 31cb0ef41Sopenharmony_ci<script src="/resources/testharness.js"></script> 41cb0ef41Sopenharmony_ci<script src="/resources/testharnessreport.js"></script> 51cb0ef41Sopenharmony_ci<script src="/resources/testdriver.js"></script> 61cb0ef41Sopenharmony_ci<script src="/resources/testdriver-actions.js"></script> 71cb0ef41Sopenharmony_ci<script src="/resources/testdriver-vendor.js"></script> 81cb0ef41Sopenharmony_ci<script src="scroll_support.js"></script> 91cb0ef41Sopenharmony_ci<style> 101cb0ef41Sopenharmony_ci#targetDiv { 111cb0ef41Sopenharmony_ci width: 200px; 121cb0ef41Sopenharmony_ci height: 200px; 131cb0ef41Sopenharmony_ci overflow: scroll; 141cb0ef41Sopenharmony_ci} 151cb0ef41Sopenharmony_ci 161cb0ef41Sopenharmony_ci#innerDiv { 171cb0ef41Sopenharmony_ci width: 400px; 181cb0ef41Sopenharmony_ci height: 400px; 191cb0ef41Sopenharmony_ci} 201cb0ef41Sopenharmony_ci</style> 211cb0ef41Sopenharmony_ci 221cb0ef41Sopenharmony_ci<body style="margin:0" onload=runTest()> 231cb0ef41Sopenharmony_ci<div id="targetDiv"> 241cb0ef41Sopenharmony_ci <div id="innerDiv"> 251cb0ef41Sopenharmony_ci </div> 261cb0ef41Sopenharmony_ci</div> 271cb0ef41Sopenharmony_ci</body> 281cb0ef41Sopenharmony_ci 291cb0ef41Sopenharmony_ci<script> 301cb0ef41Sopenharmony_civar target_div = document.getElementById('targetDiv'); 311cb0ef41Sopenharmony_civar horizontal_scrollend_arrived = false; 321cb0ef41Sopenharmony_civar vertical_scrollend_arrived = false; 331cb0ef41Sopenharmony_cifunction onHorizontalScrollEnd(event) { 341cb0ef41Sopenharmony_ci assert_false(event.cancelable); 351cb0ef41Sopenharmony_ci // scrollend events are bubbled when the target node is document. 361cb0ef41Sopenharmony_ci assert_true(event.bubbles); 371cb0ef41Sopenharmony_ci horizontal_scrollend_arrived = true; 381cb0ef41Sopenharmony_ci} 391cb0ef41Sopenharmony_cifunction onVerticalScrollEnd(event) { 401cb0ef41Sopenharmony_ci assert_false(event.cancelable); 411cb0ef41Sopenharmony_ci // scrollend events are bubbled when the target node is document. 421cb0ef41Sopenharmony_ci assert_true(event.bubbles); 431cb0ef41Sopenharmony_ci vertical_scrollend_arrived = true; 441cb0ef41Sopenharmony_ci} 451cb0ef41Sopenharmony_ci 461cb0ef41Sopenharmony_cifunction runTest() { 471cb0ef41Sopenharmony_ci promise_test (async (t) => { 481cb0ef41Sopenharmony_ci // Make sure that no scrollend event is sent to target_div. 491cb0ef41Sopenharmony_ci target_div.addEventListener("scrollend", 501cb0ef41Sopenharmony_ci t.unreached_func("target_div got unexpected scrollend event.")); 511cb0ef41Sopenharmony_ci await waitForCompositorCommit(); 521cb0ef41Sopenharmony_ci 531cb0ef41Sopenharmony_ci // Scroll left on target div and wait for the doc to get scrollend event. 541cb0ef41Sopenharmony_ci document.addEventListener("scrollend", onHorizontalScrollEnd); 551cb0ef41Sopenharmony_ci await touchScrollInTarget(300, target_div, 'left'); 561cb0ef41Sopenharmony_ci await waitFor(() => { return horizontal_scrollend_arrived; }, 571cb0ef41Sopenharmony_ci 'Document did not receive scrollend event after scroll left on target.'); 581cb0ef41Sopenharmony_ci assert_equals(target_div.scrollLeft, 0); 591cb0ef41Sopenharmony_ci document.removeEventListener("scrollend", onHorizontalScrollEnd); 601cb0ef41Sopenharmony_ci 611cb0ef41Sopenharmony_ci // Scroll up on target div and wait for the doc to get scrollend event. 621cb0ef41Sopenharmony_ci document.addEventListener("scrollend", onVerticalScrollEnd); 631cb0ef41Sopenharmony_ci await touchScrollInTarget(300, target_div, 'up'); 641cb0ef41Sopenharmony_ci await waitFor(() => { return vertical_scrollend_arrived; }, 651cb0ef41Sopenharmony_ci 'Document did not receive scrollend event after scroll up on target.'); 661cb0ef41Sopenharmony_ci assert_equals(target_div.scrollTop, 0); 671cb0ef41Sopenharmony_ci }, 'Tests that the document gets scrollend event when no element scrolls by ' + 681cb0ef41Sopenharmony_ci 'touch.'); 691cb0ef41Sopenharmony_ci} 701cb0ef41Sopenharmony_ci</script> 71