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Unified Diff: third_party/WebKit/PerformanceTests/ShadowDOM/v1-host-child-append.html

Issue 1995203002: Rewrite Shadow DOM distribution engine to support partial synchronous distribution for v1 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: No longer FAIL: imported/wpt/shadow-dom/HTMLSlotElement-interface.html Created 4 years, 7 months ago
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Index: third_party/WebKit/PerformanceTests/ShadowDOM/v1-host-child-append.html
diff --git a/third_party/WebKit/PerformanceTests/ShadowDOM/v1-host-child-append.html b/third_party/WebKit/PerformanceTests/ShadowDOM/v1-host-child-append.html
new file mode 100644
index 0000000000000000000000000000000000000000..c903c551dd55c7172f8b0a89477579e671876ea2
--- /dev/null
+++ b/third_party/WebKit/PerformanceTests/ShadowDOM/v1-host-child-append.html
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<script src="../resources/runner.js"></script>
+<!-- This is a micro benchmark to catch an unintentional regression.
+ If the reason of a regression is clear, it is okay.
+ We do not have to optimize the result of the benchmark. -->
+<div id="wrapper">
+ <div id="host"></div>
+</div>
+<script>
+'use strict';
+const numChildOfHost = 50;
+const numDivsInShadow = 20;
+const loops = 20;
+
+const slot1 = document.createElement('slot');
+slot1.setAttribute('name', 'slot1');
+const slot2 = document.createElement('slot');
+slot2.setAttribute('name', 'slot2');
+const shadowRoot = host.attachShadow({mode: 'open'});
+shadowRoot.appendChild(slot1);
+shadowRoot.appendChild(slot2);
+
+for (let i = 0; i < numDivsInShadow; ++i) {
+ let div = document.createElement('div');
+ shadowRoot.appendChild(div);
+}
+
+function run() {
+ for (let i = 0; i < loops; ++i) {
+ for (let j = 0; j < numChildOfHost; ++j) {
+ let div1 = document.createElement('div');
+ div1.setAttribute('slot', 'slot1');
+ host.appendChild(div1);
+ let div2 = document.createElement('div');
+ div2.setAttribute('slot', 'slot2');
+ host.appendChild(div2);
+ }
+ host.innerHTML = '';
+ }
+}
+
+PerfTestRunner.measureRunsPerSecond({
+ description: "Measure v1 distribution performance",
+ run: run,
+ done: () => {
+ wrapper.innerHTML = '';
+ }
+});
+</script>

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