third_party/WebKit/LayoutTests/paint/images/animated-gif-last-frame-crash.html - Issue 2262493003: Prevent synchronous layout while painting the last frame of a gif

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Unified Diff: third_party/WebKit/LayoutTests/paint/images/animated-gif-last-frame-crash.html

Issue 2262493003: Prevent synchronous layout while painting the last frame of a gif (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Refactor Created 4 years, 4 months ago

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Index: third_party/WebKit/LayoutTests/paint/images/animated-gif-last-frame-crash.html

diff --git a/third_party/WebKit/LayoutTests/paint/images/animated-gif-last-frame-crash.html b/third_party/WebKit/LayoutTests/paint/images/animated-gif-last-frame-crash.html

new file mode 100644

index 0000000000000000000000000000000000000000..61755e56fd76a70e58b1cd36010080cf082ee68b

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/paint/images/animated-gif-last-frame-crash.html

@@ -0,0 +1,23 @@

+<!DOCTYPE HTML>

+<title>Skipping up to the last frame of an animated gif shouldn't crash.</title>

+<script src="../../resources/testharness.js"></script>

+<script src="../../resources/testharnessreport.js"></script>

+<img id="image" src="resources/three_frame_100ms.gif">

+<script>

+async_test(function(test) {

+ image.onload = function() {

+ setTimeout(function() {

+ var start = performance.now();

+ while (true) {

+ // Block the main thread for 300ms.

+ if (performance.now() - start >= 300)

+ break;

+ }

+ // Painting will force the gif to advance to the last frame.

+ requestAnimationFrame(function() {

+ test.done();

+ });

+ }, 30);

+ }

+});

+</script>