Bug 1737862 [wpt PR 31384] - Fix null dereference when constructing s…

…croll timeline offsets, a=testonly Automatic update from web-platform-tests Fix null dereference when constructing scroll timeline offsets Bug: 1242380 Change-Id: I9346b3432585bff7c62c15f4b4e748c15c126862 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3244932 Reviewed-by: Steve Kobes <[email protected]> Commit-Queue: Kevin Ellis <[email protected]> Cr-Commit-Position: refs/heads/main@{#935399} -- wpt-commits: 818de8aacd25ace62589cc0773b1658714a3a46b wpt-pr: 31384
mozilla · Oct 29, 2021 · da7e7fd · da7e7fd
1 parent c812cea
commit da7e7fd
Showing 1 changed file with 32 additions and 0 deletions.
diff --git a/...g/web-platform/tests/scroll-animations/scroll-timelines/animation-with-offsets-crash.html b/...g/web-platform/tests/scroll-animations/scroll-timelines/animation-with-offsets-crash.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#scrolltimeline-interface">
+<style>
+.scroller {
+  overflow: auto;
+  height: 100px;
+  width: 100px;
+  will-change: transform;
+}
+
+.contents {
+  height: 1000px;
+  width: 100%;
+}
+</style>
+<div class="scroller">
+  <div class="contents"></div>
+</div>
+<script>
+  // Test passes if it does not crash.
+  // Scroll timeline animations are progress-based and not compatible with
+  // delays specified in milliseconds.
+  const scroller = document.querySelector('.scroller');
+  const animation = new Animation();
+  const timeline = animation.timeline;
+  const duration = timeline.duration;
+  const options = {
+    scrollSource: scroller,
+    scrollOffsets: [new CSSMathInvert(duration)]
+  };
+  const scroll_timeline = new ScrollTimeline(options);
+</script>