interestfor-implicit-anchor.tentative.html (1346B)
1 <!DOCTYPE html> 2 <title>Interest invokers form an implicit anchor reference</title> 3 <link rel="author" href="mailto:masonf@chromium.org"> 4 <link rel="help" href="https://open-ui.org/components/interest-invokers.explainer"> 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 <script src="resources/invoker-utils.js"></script> 11 12 <button id=button interestfor=popover>Button</button> 13 <div popover id=popover>popover</div> 14 15 <style> 16 #button { 17 position:relative; 18 top:100px; 19 left:100px; 20 interest-delay: 0s; 21 } 22 #popover { 23 border:1px solid black; 24 inset: auto; 25 margin:0; 26 padding:0; 27 position-area: top left; 28 } 29 body { margin: 0; } 30 </style> 31 32 <script> 33 promise_test(async (t) => { 34 let interestFired = false; 35 popover.addEventListener('interest',() => interestFired = true); 36 37 await hoverOver(button); 38 assert_true(popover.matches(':popover-open')); 39 40 // The popover should be anchored to the button. 41 assert_equals(popover.offsetLeft + popover.offsetWidth, button.offsetLeft); 42 assert_equals(popover.offsetTop + popover.offsetHeight, button.offsetTop); 43 }, 'Interest invokers form an implicit anchor reference'); 44 </script>