72 lines
2 KiB
HTML
72 lines
2 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>
|
|
body, html {
|
|
margin: 0;
|
|
}
|
|
pre, #log {
|
|
position: absolute;
|
|
top: 0;
|
|
left: 200px;
|
|
}
|
|
#target {
|
|
width: 100px;
|
|
height: 100px;
|
|
background-color: green;
|
|
}
|
|
#effects {
|
|
opacity: 1;
|
|
filter: none;
|
|
}
|
|
</style>
|
|
|
|
<div id="effects">
|
|
<div id="target"></div>
|
|
</div>
|
|
|
|
<script>
|
|
var delay = 100;
|
|
var entries = [];
|
|
var target;
|
|
var effects;
|
|
|
|
runTestCycle(function() {
|
|
target = document.getElementById("target");
|
|
effects = document.getElementById("effects");
|
|
assert_true(!!target, "target exists");
|
|
assert_true(!!effects, "effects exists");
|
|
var observer = new IntersectionObserver(function(changes) {
|
|
entries = entries.concat(changes)
|
|
}, {trackVisibility: true, delay: delay});
|
|
observer.observe(target);
|
|
entries = entries.concat(observer.takeRecords());
|
|
assert_equals(entries.length, 0, "No initial notifications.");
|
|
runTestCycle(step0, "First rAF.", delay);
|
|
}, "IntersectionObserverV2 in a single document using the implicit root, with a non-zero opacity ancestor.", delay);
|
|
|
|
function step0() {
|
|
effects.style.opacity = "0.99";
|
|
runTestCycle(step1, "effects.style.opacity = 0.99", delay);
|
|
checkLastEntry(entries, 0, [0, 100, 0, 100, 0, 100, 0, 100, 0, 800, 0, 600, true, true]);
|
|
}
|
|
|
|
function step1() {
|
|
effects.style.opacity = "1";
|
|
runTestCycle(step2, "effects.style.opacity = 1", delay);
|
|
checkLastEntry(entries, 1, [0, 100, 0, 100, 0, 100, 0, 100, 0, 800, 0, 600, true, false]);
|
|
}
|
|
|
|
function step2() {
|
|
effects.style.filter = "grayscale(50%)";
|
|
runTestCycle(step3, "effects.style.filter = grayscale(50%)", delay);
|
|
checkLastEntry(entries, 2, [0, 100, 0, 100, 0, 100, 0, 100, 0, 800, 0, 600, true, true]);
|
|
}
|
|
|
|
function step3() {
|
|
checkLastEntry(entries, 3, [0, 100, 0, 100, 0, 100, 0, 100, 0, 800, 0, 600, true, false]);
|
|
}
|
|
</script>
|