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Unified Diff: tools/perf/page_sets/perf_week/css-transitions-simultaneous-by-inserting-style-element.html

Issue 402433004: Test adding perf week tests as smoothness benchmark (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: g cl issue Created 6 years, 5 months ago
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Index: tools/perf/page_sets/perf_week/css-transitions-simultaneous-by-inserting-style-element.html
diff --git a/tools/perf/page_sets/perf_week/css-transitions-simultaneous-by-inserting-style-element.html b/tools/perf/page_sets/perf_week/css-transitions-simultaneous-by-inserting-style-element.html
new file mode 100644
index 0000000000000000000000000000000000000000..fc70588926b4cf91d1659ef598d7c303c5040544
--- /dev/null
+++ b/tools/perf/page_sets/perf_week/css-transitions-simultaneous-by-inserting-style-element.html
@@ -0,0 +1,51 @@
+<!doctype html>
+<meta name="viewport" content="width=device-width, user-scalable=no">
+<container id="container"></container>
+<script>
+var N = 1000;
+var duration = 1000;
+var style = null;
+var keyframe = 1;
+var keyframeValues = [0, 1]
+
+for (var i = 0; i < N; i++) {
+ container.appendChild(document.createElement('target'));
+}
+
+function startAllAnimations() {
+ keyframe ^= 1;
+ if (style) {
+ style.remove();
+ }
+ style = document.createElement('style');
+ style.textContent = 'target { opacity: ' + keyframeValues[keyframe] + '; }';
+ container.appendChild(style);
+}
+
+requestAnimationFrame(startAllAnimations);
+setInterval(startAllAnimations, duration);
+
+requestAnimationFrame(function() {
+ window.measurementReady = true;
+});
+</script>
+
+<style>
+body {
+ margin: 0;
+ overflow: hidden;
+}
+container {
+ display: flex;
+ flex-flow: row wrap;
+ width: 550px;
+ height: 800px;
+ background: lightgoldenrodyellow;
+}
+target {
+ display: inline-block;
+ width: 9px; height: 9px;
+ background: magenta;
+ transition: opacity 1000ms linear;
+}
+</style>

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