| Index: third_party/WebKit/LayoutTests/fast/overflow/overflow-clamp-after-transform-related-content-size-change.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/overflow/overflow-clamp-after-transform-related-content-size-change.html b/third_party/WebKit/LayoutTests/fast/overflow/overflow-clamp-after-transform-related-content-size-change.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..1c851f1054e443684c19e960fac08ed65a9975e8
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/overflow/overflow-clamp-after-transform-related-content-size-change.html
|
| @@ -0,0 +1,41 @@
|
| +<!DOCTYPE html>
|
| +<style>
|
| + #scroller {
|
| + height: 100px;
|
| + width: 100px;
|
| + overflow: scroll;
|
| + background-color: red;
|
| + }
|
| +
|
| + #content {
|
| + width: 100px;
|
| + height: 100px;
|
| + background: green;
|
| + }
|
| +</style>
|
| +
|
| +<div id="scroller">
|
| + <div id="content"></div>
|
| +</div>
|
| +
|
| +<script src="../../resources/testharness.js"></script>
|
| +<script src="../../resources/testharnessreport.js"></script>
|
| +
|
| +<script>
|
| +test(t => {
|
| + var scroller = document.querySelector("#scroller");
|
| + var content = document.querySelector("#content");
|
| +
|
| + content.style.transform = "translateX(400px)";
|
| + assert_equals(scroller.scrollWidth, 500);
|
| +
|
| + scroller.scrollLeft = 300;
|
| + assert_equals(scroller.scrollLeft, 300);
|
| +
|
| + // make a non-layout inducing change that updates the overflow
|
| + content.style.transform = "translateX(100px)";
|
| + assert_equals(scroller.scrollWidth, 200);
|
| + assert_equals(scroller.scrollLeft, 200 - scroller.clientWidth /* max scroll offset */);
|
| +}, "Verify that scroll offset clamps correctly when overflow rect is changed " +
|
| + " as a result of a transform (i.e., a non-layout inducing change)");
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2524333003:
Clamp scroll offset after overflow reclacs that are not layout inducing (Closed)
