Index: third_party/WebKit/LayoutTests/fast/performance/performance-paint-timing-observable.html |
diff --git a/third_party/WebKit/LayoutTests/fast/performance/performance-paint-timing-observable.html b/third_party/WebKit/LayoutTests/fast/performance/performance-paint-timing-observable.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e73b9e6e7e717a4dee0baa41fd4e0744280d91b3 |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/fast/performance/performance-paint-timing-observable.html |
@@ -0,0 +1,36 @@ |
+<!DOCTYPE html> |
+<head> |
+<title>Performance Paint Timing Test</title> |
+</head> |
+<body> |
+ <script src="../../resources/testharness.js"></script> |
+ <script src="../../resources/testharnessreport.js"></script> |
+ <script> |
+ |
+ async_test(function (t) { |
+ var observer = new PerformanceObserver( |
+ t.step_func(function (entryList) { |
+ var entries = entryList.getEntries(); |
+ assert_equals(entries.length, 2, |
+ "There should be two paint timing instances."); |
+ assert_equals(entries[0].entryType, "paint", |
+ "Expected entryType to be: paint."); |
+ assert_equals(entries[0].duration, 0, |
+ "Expected duration to be: 0."); |
+ |
+ assert_equals(entries[1].entryType, "paint", |
+ "Expected entryType to be: paint."); |
+ assert_equals(entries[1].duration, 0, |
+ "Expected duration to be: 0."); |
+ observer.disconnect(); |
+ t.done(); |
+ }) |
+ ); |
+ observer.observe({entryTypes: ["paint"]}); |
+ |
+ }, "Both first-paint-timing and first-contentful-paint timing entry are observable."); |
+ |
+ </script> |
+ <div style="background-color:black;color:white;padding:20px;">...test...</div> |
+</body> |
+</html> |