scroll-button-activation-without-scroller.html (991B)
1 <!doctype html> 2 <meta charset="utf-8"> 3 <title>CSS Test: ::scroll-button() activation without scroller shouldn't crash</title> 4 <link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-buttons"> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <script src="/resources/testdriver.js"></script> 8 <script src="/resources/testdriver-actions.js"></script> 9 <script src="/resources/testdriver-vendor.js"></script> 10 <style> 11 div::scroll-button(inline-start) { 12 content: ""; 13 height: 100px; 14 width: 100px; 15 } 16 </style> 17 <div></div> 18 <script> 19 promise_test(async t => { 20 await new test_driver.Actions() 21 .pointerMove(50, 50) 22 .pointerDown() 23 .pointerUp() 24 .pointerDown() 25 .pointerUp() 26 .send(); 27 const kTab = '\uE004'; 28 const kEnter = '\uE007'; 29 await new test_driver.Actions() 30 .keyDown(kTab) 31 .keyUp(kTab) 32 .keyDown(kEnter) 33 .keyUp(kEnter) 34 .send(); 35 }); 36 </script>