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| 1 <!DOCTYPE html> |
| 2 <script src="/resources/testharness.js"></script> |
| 3 <script src="/resources/testharnessreport.js"></script> |
| 4 <script src="./resources/intersection-observer-test-utils.js"></script> |
| 5 |
| 6 <style> |
| 7 pre, #log { |
| 8 position: absolute; |
| 9 top: 0; |
| 10 left: 200px; |
| 11 } |
| 12 </style> |
| 13 |
| 14 <div id="host"></div> |
| 15 |
| 16 <script> |
| 17 var vw = document.documentElement.clientWidth; |
| 18 var vh = document.documentElement.clientHeight; |
| 19 |
| 20 var entries = []; |
| 21 var target; |
| 22 |
| 23 runTestCycle(function() { |
| 24 var shadowHost = document.getElementById("host"); |
| 25 assert_true(!!shadowHost, "Host exists"); |
| 26 var shadowRoot = shadowHost.attachShadow({ mode: "open" }); |
| 27 assert_true(!!shadowRoot, "Shadow root exists"); |
| 28 shadowRoot.innerHTML = "<div id='target' style='width: 100px; height: 100px; b
ackground-color: green;'></div>"; |
| 29 target = shadowRoot.getElementById("target"); |
| 30 assert_true(!!target, "target exists"); |
| 31 |
| 32 var observer = new IntersectionObserver(function(changes) { |
| 33 entries = entries.concat(changes) |
| 34 }); |
| 35 observer.observe(target); |
| 36 entries = entries.concat(observer.takeRecords()); |
| 37 assert_equals(entries.length, 0, "No initial notifications."); |
| 38 runTestCycle(step0, "First rAF after creating shadow DOM."); |
| 39 }, "Observing a target inside shadow DOM."); |
| 40 |
| 41 function step0() { |
| 42 checkLastEntry(entries, 0, [8, 108, 8, 108, 8, 108, 8, 108, 0, vw, 0, vh, true
]); |
| 43 } |
| 44 </script> |
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