Index: third_party/WebKit/PerformanceTests/DOM/long-sibling-list.html |
diff --git a/third_party/WebKit/PerformanceTests/DOM/long-sibling-list.html b/third_party/WebKit/PerformanceTests/DOM/long-sibling-list.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..fb418b51ed5bc6f87a52ee07fe5ac6380521193d |
--- /dev/null |
+++ b/third_party/WebKit/PerformanceTests/DOM/long-sibling-list.html |
@@ -0,0 +1,25 @@ |
+<!DOCTYPE html> |
+<script src="../resources/runner.js"></script> |
+<div id="container"></div> |
+<script> |
+'use strict'; |
+ |
+PerfTestRunner.measureRunsPerSecond({ |
+ description: 'Adds, then lays out, a long list of sibling elements ' + |
+ 'separated by spaces', |
+ setup: () => { |
+ container.parentNode.replaceChild(container.cloneNode(false), container); |
+ PerfTestRunner.gc(); |
+ }, |
+ run: () => { |
+ const num_words = 1000; |
+ for (let i = 0; i < num_words; i++) { |
+ let a = document.createElement('a'); |
+ a.append(i); |
+ container.append(a); |
+ container.append(' '); |
+ } |
+ PerfTestRunner.forceLayout(); |
+ } |
+}); |
+</script> |