| Index: third_party/WebKit/LayoutTests/fast/css/sticky/sticky-position-works-with-scroll-apis.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/css/sticky/sticky-position-works-with-scroll-apis.html b/third_party/WebKit/LayoutTests/fast/css/sticky/sticky-position-works-with-scroll-apis.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..d06245c9552d263b9617da60fef17da2ff8963f8
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/css/sticky/sticky-position-works-with-scroll-apis.html
|
| @@ -0,0 +1,126 @@
|
| +<!DOCTYPE html>
|
| +<script src="../../../resources/testharness.js"></script>
|
| +<script src="../../../resources/testharnessreport.js"></script>
|
| +<style>
|
| +body {
|
| + margin: 0;
|
| +}
|
| +
|
| +#scroller {
|
| + height: 100px;
|
| + width: 200px;
|
| + overflow-y: scroll;
|
| +}
|
| +
|
| +.paddingBefore {
|
| + height: 150px;
|
| +}
|
| +
|
| +#sticky {
|
| + height: 50px;
|
| + position: sticky;
|
| + top: 20px;
|
| +}
|
| +
|
| +.paddingAfter {
|
| + height: 500px;
|
| +}
|
| +</style>
|
| +
|
| +<div id="scroller">
|
| + <div class="paddingBefore"></div>
|
| + <div id="writer"></div>
|
| + <div id="sticky"></div>
|
| + <div class="paddingAfter"></div>
|
| +</div>
|
| +
|
| +<script>
|
| +if (window.internals) {
|
| + internals.settings.setCSSStickyPositionEnabled(true);
|
| +}
|
| +
|
| +// These tests currently mimic the behavior of Firefox for the interaction
|
| +// between scrollIntoView() and position:sticky, where the offset location of
|
| +// the sticky element is used to determine how far to scroll. This means that
|
| +// scrollIntoView() may scroll even when the sticky is already 'in view', and
|
| +// attempts to scroll so that the offset position of the sticky is at the top
|
| +// of the screen.
|
| +//
|
| +// TODO(smcgruer): Update tests once http://crbug.com/664246 is resolved.
|
| +
|
| +test(function() {
|
| + var scroller = document.getElementById('scroller');
|
| + var sticky = document.getElementById('sticky');
|
| + var writer = document.getElementById('writer');
|
| +
|
| + // Clean the writer.
|
| + writer.innerHTML = '';
|
| +
|
| + // With no scroll, the sticky element is outside the scroller viewport.
|
| + scroller.scrollTop = 0;
|
| +
|
| + // Deliberately dirty layout to make sure that scrollIntoView() still works.
|
| + writer.innerHTML = '<div style="height: 50px;"></div>';
|
| +
|
| + sticky.scrollIntoView();
|
| + assert_equals(scroller.scrollTop, 200);
|
| +}, "scrollIntoView should scroll when sticky is not visible");
|
| +
|
| +test(function() {
|
| + var scroller = document.getElementById('scroller');
|
| + var sticky = document.getElementById('sticky');
|
| + var writer = document.getElementById('writer');
|
| +
|
| + // Clean the writer.
|
| + writer.innerHTML = '';
|
| +
|
| + // Scroll so that the sticky element is past the top of the scroller
|
| + // viewport, and is thus sticking.
|
| + scroller.scrollTop = 200;
|
| +
|
| + // Deliberately dirty layout to make sure that scrollIntoView() still works.
|
| + writer.innerHTML = '<div style="height: 10px;"></div>';
|
| +
|
| + // See comment above tests for why this shifts by an additional 20 pixels.
|
| + sticky.scrollIntoView();
|
| + assert_equals(scroller.scrollTop, 230);
|
| +}, "scrollIntoView should scroll when sticky is already in view");
|
| +
|
| +test(function() {
|
| + var scroller = document.getElementById('scroller');
|
| + var sticky = document.getElementById('sticky');
|
| + var writer = document.getElementById('writer');
|
| +
|
| + // Clean the writer.
|
| + writer.innerHTML = '';
|
| +
|
| + // With no scroll, the sticky element is outside the scroller viewport.
|
| + scroller.scrollTop = 0;
|
| +
|
| + // Deliberately dirty layout to make sure that scrollIntoViewIfNeeded()
|
| + // still works.
|
| + writer.innerHTML = '<div style="height: 70px;"></div>';
|
| +
|
| + sticky.scrollIntoViewIfNeeded();
|
| + assert_equals(scroller.scrollTop, 195);
|
| +}, "scrollIntoViewIfNeeded should scroll when sticky is not visible");
|
| +
|
| +test(function() {
|
| + var scroller = document.getElementById('scroller');
|
| + var sticky = document.getElementById('sticky');
|
| + var writer = document.getElementById('writer');
|
| +
|
| + // Clean the writer.
|
| + writer.innerHTML = '';
|
| +
|
| + // Scroll so that the sticky element is at the top of the scroller viewport.
|
| + scroller.scrollTop = 150;
|
| +
|
| + // Deliberately dirty layout to make sure that scrollIntoViewIfNeeded()
|
| + // still works.
|
| + writer.innerHTML = '<div style="height: 20px;"></div>';
|
| +
|
| + sticky.scrollIntoViewIfNeeded();
|
| + assert_equals(scroller.scrollTop, 170);
|
| +}, "scrollIntoViewIfNeeded should not scroll when sticky is already in view");
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2647533002:
Force compositing inputs to be clean for getBoundingClientRect (Closed)
