| <!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; |
| } |
| #target { |
| width: 100px; |
| height: 100px; |
| background-color: green; |
| } |
| </style> |
| |
| <script> |
| var vw = document.documentElement.clientWidth; |
| var vh = document.documentElement.clientHeight; |
| |
| var entries = []; |
| var target; |
| |
| runTestCycle(function() { |
| var detached_document = document.implementation.createHTMLDocument("test"); |
| target = detached_document.createElement("div"); |
| target.id = "target"; |
| var observer = new IntersectionObserver(function(changes) { |
| entries = entries.concat(changes) |
| }); |
| observer.observe(target); |
| runTestCycle(step0, "First rAF."); |
| }, "IntersectionObserver in a single document using the implicit root."); |
| |
| function step0() { |
| document.adoptNode(target); |
| document.body.appendChild(target); |
| checkLastEntry(entries, 0, [0, 0, 0, 0, 0, 0, 0, 0]); |
| runTestCycle(step1, "Adopt target."); |
| } |
| |
| function step1() { |
| checkLastEntry(entries, 1, [8, 108, 8, 108, 8, 108, 8, 108, 0, vw, 0, vh, true]); |
| } |
| </script> |
