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Unified Diff: third_party/WebKit/PerformanceTests/Paint/large-table-collapsed-border-change-with-text.html

Issue 2429623004: Add performance tests for full frame cycle (Closed)
Patch Set: No random Created 4 years, 2 months ago
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Index: third_party/WebKit/PerformanceTests/Paint/large-table-collapsed-border-change-with-text.html
diff --git a/third_party/WebKit/PerformanceTests/Paint/large-table-collapsed-border-change-with-text.html b/third_party/WebKit/PerformanceTests/Paint/large-table-collapsed-border-change-with-text.html
new file mode 100644
index 0000000000000000000000000000000000000000..f9e2f9c2fec061171170fa0ae4b6dd33437ee21f
--- /dev/null
+++ b/third_party/WebKit/PerformanceTests/Paint/large-table-collapsed-border-change-with-text.html
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<script src="../resources/runner.js"></script>
+<pre id="log"></pre>
+<style>td { border: 1px solid blue; font-size: 3px; }</style>
+<script>
+function createTable(rows, columns) {
+ var table = document.createElement("TABLE");
+ // Collapsing border is not necessary to see the slowness
+ // but it makes the painting phase ~2x slower.
+ table.style.borderCollapse = "collapse";
+ for (var i = 0; i < rows; ++i) {
+ var tr = document.createElement("TR");
+ for (var j = 0; j < columns; ++j) {
+ var td = document.createElement("TD");
+ td.appendChild(document.createTextNode("ABC"));
+ tr.appendChild(td);
+ }
+ table.appendChild(tr);
+ }
+ return table;
+}
+
+var table = createTable(300, 320);
+document.body.insertBefore(table, log);
+
+var ix = 30;
+var iy = 30;
+
+PerfTestRunner.measureFrameTime({
+ run: function() {
+ table.childNodes[iy].childNodes[ix].style.borderColor = "red";
+ ix++;
+ iy++;
+ },
+ warmUpCount: 5,
+});
+</script>

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