| <!DOCTYPE html> |
| <meta name="viewport" content="width=device-width,initial-scale=1"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="./resources/intersection-observer-test-utils.js"></script> |
| |
| <style> |
| pre, #log { |
| position: absolute; |
| top: 0; |
| left: 200px; |
| } |
| </style> |
| |
| <div id="host"></div> |
| |
| <script> |
| var vw = document.documentElement.clientWidth; |
| var vh = document.documentElement.clientHeight; |
| |
| var entries = []; |
| var target; |
| |
| runTestCycle(function() { |
| var shadowHost = document.getElementById("host"); |
| assert_true(!!shadowHost, "Host exists"); |
| var shadowRoot = shadowHost.attachShadow({ mode: "open" }); |
| assert_true(!!shadowRoot, "Shadow root exists"); |
| shadowRoot.innerHTML = "<div id='target' style='width: 100px; height: 100px; background-color: green;'></div>"; |
| target = shadowRoot.getElementById("target"); |
| assert_true(!!target, "target exists"); |
| |
| var observer = new IntersectionObserver(function(changes) { |
| entries = entries.concat(changes) |
| }); |
| observer.observe(target); |
| entries = entries.concat(observer.takeRecords()); |
| assert_equals(entries.length, 0, "No initial notifications."); |
| runTestCycle(step0, "First rAF after creating shadow DOM."); |
| }, "Observing a target inside shadow DOM."); |
| |
| function step0() { |
| checkLastEntry(entries, 0, [8, 108, 8, 108, 8, 108, 8, 108, 0, vw, 0, vh, true]); |
| } |
| </script> |
