| Index: third_party/WebKit/LayoutTests/fast/css/sticky/sticky-style-change.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/css/sticky/sticky-style-change.html b/third_party/WebKit/LayoutTests/fast/css/sticky/sticky-style-change.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..0524b75640d064fce9b25500da00b407dffabd65
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/css/sticky/sticky-style-change.html
|
| @@ -0,0 +1,69 @@
|
| +<!DOCTYPE html>
|
| +<script>
|
| +if (window.internals) {
|
| + internals.settings.setCSSStickyPositionEnabled(true);
|
| +}
|
| +</script>
|
| +
|
| +<html>
|
| +<head>
|
| +<style>
|
| + html {
|
| + overflow: hidden; /* hide scrollbars */
|
| + }
|
| +
|
| + body {
|
| + margin: 0;
|
| + }
|
| +
|
| + .container {
|
| + height: 2000px;
|
| + }
|
| +
|
| + .box {
|
| + height: 50px;
|
| + }
|
| +
|
| + .sticky {
|
| + position: sticky;
|
| + top: 50px;
|
| + background-color: green;
|
| + }
|
| +</style>
|
| +<script>
|
| + if (window.testRunner)
|
| + testRunner.waitUntilDone()
|
| +
|
| + function doTest()
|
| + {
|
| + const sticky = document.querySelector('.sticky');
|
| + sticky.style.position = 'relative';
|
| +
|
| + // Force layout.
|
| + sticky.offsetTop;
|
| +
|
| + sticky.style.position = 'sticky';
|
| +
|
| + window.requestAnimationFrame(function() {
|
| + window.scrollTo(0, 100);
|
| + if (window.testRunner)
|
| + testRunner.notifyDone();
|
| + });
|
| + }
|
| +
|
| + window.addEventListener('load', function() {
|
| + // We require the compositings inputs to be clean (and thus the initial
|
| + // sticky position to be calculated) before we stat changing things.
|
| + // Force this by waiting for a double rAF.
|
| + window.requestAnimationFrame(function() {
|
| + window.requestAnimationFrame(doTest);
|
| + });
|
| + });
|
| +</script>
|
| +</head>
|
| +<body>
|
| + <div class="container">
|
| + <div class="sticky box"></div>
|
| + </div>
|
| +</body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 2706673002:
Mark elements as viewport constrained when they become sticky positioned (Closed)
