Revision dfa3cf326b7381ab9eec488911595df9e11deb15 authored by Robert Ma on 16 March 2018, 21:17:56 UTC, committed by Robert Ma on 16 March 2018, 21:17:56 UTC
After #10064, Chrome jobs run successfully on Travis, so we can turn the stability check back on. Fixes #9932.
1 parent 89ba944
same-document-zero-size-target.html
<!DOCTYPE html>
<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: 0px;
height: 0px;
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)
});
observer.observe(target);
entries = entries.concat(observer.takeRecords());
assert_equals(entries.length, 0, "No initial notifications.");
runTestCycle(step0, "First rAF");
}, "Observing a zero-area target.");
function step0() {
document.scrollingElement.scrollTop = 300;
runTestCycle(step1, "document.scrollingElement.scrollTop = 300");
checkLastEntry(entries, 0, [8, 8, vh + 108, vh + 108, 0, 0, 0, 0, 0, vw, 0, vh, false]);
}
function step1() {
document.scrollingElement.scrollTop = 100;
runTestCycle(step2, "document.scrollingElement.scrollTop = 100");
checkLastEntry(entries, 1, [8, 8, vh - 192, vh - 192, 8, 8, vh - 192, vh - 192, 0, vw, 0, vh, true]);
}
function step2() {
document.scrollingElement.scrollTop = 0;
checkLastEntry(entries, 2, [8, 8, vh + 8, vh + 8, 0, 0, 0, 0, 0, vw, 0, vh, false]);
}
</script>
![swh spinner](/static/img/swh-spinner.gif)
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