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