1 files changed, 40 insertions, 0 deletions
diff --git a/third_party/webkit/PerformanceTests/StyleBench/resources/tests.js b/third_party/webkit/PerformanceTests/StyleBench/resources/tests.js
new file mode 100644
index 0000000000..85778316fa
--- /dev/null
+++ b/third_party/webkit/PerformanceTests/StyleBench/resources/tests.js
@@ -0,0 +1,40 @@
+function makeSteps(configuration)
+{
+    const steps = [];
+    for (i = 0; i < configuration.stepCount; ++i) {
+        steps.push(new BenchmarkTestStep(`Adding classes - ${i}`, (bench, contentWindow, contentDocument) => {
+            bench.addClasses(configuration.mutationsPerStep);
+        }));
+        steps.push(new BenchmarkTestStep(`Removing classes - ${i}`, (bench, contentWindow, contentDocument) => {
+            bench.removeClasses(configuration.mutationsPerStep);
+        }));
+        steps.push(new BenchmarkTestStep(`Mutating attributes - ${i}`, (bench, contentWindow, contentDocument) => {
+            bench.mutateAttributes(configuration.mutationsPerStep);
+        }));
+        steps.push(new BenchmarkTestStep(`Adding leaf elements - ${i}`, (bench, contentWindow, contentDocument) => {
+            bench.addLeafElements(configuration.mutationsPerStep);
+        }));
+        steps.push(new BenchmarkTestStep(`Removing leaf elements - ${i}`, (bench, contentWindow, contentDocument) => {
+            bench.removeLeafElements(configuration.mutationsPerStep);
+        }));
+    }
+    return steps;
+}
+
+function makeSuite(configuration)
+{
+    return {
+        name: configuration.name,
+        url: 'style-bench.html',
+        prepare: (runner, contentWindow, contentDocument) => {
+            return runner.waitForElement('#testroot').then((element) => {
+                return contentWindow.createBenchmark(configuration);
+            });
+        },
+        tests: makeSteps(configuration),
+    };
+}
+
+var Suites = [];
+for (const configuration of StyleBench.predefinedConfigurations())
+    Suites.push(makeSuite(configuration));