| Index: third_party/WebKit/LayoutTests/fast/performance/performance-first-paint-timing-observable.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/performance/performance-first-paint-timing-observable.html b/third_party/WebKit/LayoutTests/fast/performance/performance-first-paint-timing-observable.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..081aeb32005712254a85941fab742c9930d854c4
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/performance/performance-first-paint-timing-observable.html
|
| @@ -0,0 +1,34 @@
|
| +<!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();
|
| + // Nothing contentful to be painted yet.
|
| + assert_equals(entries.length, 1,
|
| + "There should be only first paint timing instance.");
|
| + assert_equals(entries[0].entryType, "paint",
|
| + "Expected entryType to be: paint.");
|
| + assert_equals(entries[0].name, "first-paint",
|
| + "Expected name to be: first-paint.");
|
| + assert_equals(entries[0].duration, 0,
|
| + "Expected duration to be: 0.");
|
| + observer.disconnect();
|
| + t.done();
|
| + })
|
| + );
|
| + observer.observe({entryTypes: ["paint"]});
|
| +
|
| + }, "Performance first paint timing entry is observable.");
|
| + </script>
|
| +
|
| + <div style="background-color:black;color:white;padding:20px;"></div>
|
| +</body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 2528513003:
first-paint and first-contentful paint (Closed)
