Index: third_party/WebKit/PerformanceTests/Editing/page-up-with-many-lines.html |
diff --git a/third_party/WebKit/PerformanceTests/Editing/page-up-with-many-lines.html b/third_party/WebKit/PerformanceTests/Editing/page-up-with-many-lines.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d21819e1d3deed135680a5763791e1ffe9a67534 |
--- /dev/null |
+++ b/third_party/WebKit/PerformanceTests/Editing/page-up-with-many-lines.html |
@@ -0,0 +1,25 @@ |
+<!doctype html> |
+<script src="../resources/runner.js"></script> |
+<textarea id="text" style="width:300px; height:300px" spellcheck="false"></textarea> |
+<script> |
+const kCount = 10; |
+const kLines = 20000 |
+ |
+text.textContent = (() => { |
+ const result = []; |
+ for (let count = 0; count < kLines; ++count) |
+ result.push(`${('00000' + count).slice(-5)} of brown foxes\n`); |
+ return result.join(''); |
+})(); |
+text.focus(); |
+ |
+PerfTestRunner.measureRunsPerSecond({ |
+ description: 'Measures performance of move-page-up on many lines', |
+ run: () => { |
+ const cursorIndex = text.value.length - 1; |
+ text.setSelectionRange(cursorIndex, cursorIndex); |
+ for (let counter = 0; counter < kCount; ++counter) |
+ testRunner.execCommand("MovePageUp"); |
+ }, |
+}); |
+</script> |