b1d06c0a64
Automatic update from web-platform-tests Add test for IntersectionObserver with document as root (#27064) Added test for IntersectionObserver with document as root If specify {root: document}, the rootBounds should be the root intersection rectangle which is the document's viewport. -- wpt-commits: 5a3a1b414d32952355eae7c949c109424979b988 wpt-pr: 27064
61 lines
1.7 KiB
HTML
61 lines
1.7 KiB
HTML
<!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;
|
|
}
|
|
|
|
.spacer {
|
|
height: calc(100vh + 100px);
|
|
}
|
|
|
|
#target {
|
|
width: 100px;
|
|
height: 100px;
|
|
background-color: green;
|
|
}
|
|
</style>
|
|
|
|
<div class="spacer"></div>
|
|
<div id="target"></div>
|
|
<div class="spacer"></div>
|
|
|
|
<script>
|
|
var vw = document.documentElement.clientWidth;
|
|
var vh = document.documentElement.clientHeight;
|
|
|
|
var entries = [];
|
|
var target;
|
|
|
|
runTestCycle(function () {
|
|
target = document.getElementById("target");
|
|
assert_true(!!target, "target exists");
|
|
var observer = new IntersectionObserver(function (changes) {
|
|
entries = entries.concat(changes)
|
|
}, {root: document});
|
|
observer.observe(target);
|
|
entries = entries.concat(observer.takeRecords());
|
|
assert_equals(entries.length, 0, "No initial notifications.");
|
|
runTestCycle(step0, "First rAF.");
|
|
}, "IntersectionObserver in a single document using document as root.");
|
|
|
|
function step0() {
|
|
document.scrollingElement.scrollTop = 300;
|
|
runTestCycle(step1, "document.scrollingElement.scrollTop = 300");
|
|
checkLastEntry(entries, 0, [8, 108, vh + 108, vh + 208, 0, 0, 0, 0, 0, vw, 0, vh, false]);
|
|
}
|
|
|
|
function step1() {
|
|
document.scrollingElement.scrollTop = 0;
|
|
checkLastEntry(entries, 1, [8, 108, vh - 192, vh - 92, 8, 108, vh - 192, vh - 92, 0, vw, 0, vh, true]);
|
|
}
|
|
</script>
|
|
|