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Issue 2528513003:
first-paint and first-contentful paint (Closed)
| 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..0b3edbb57b24ff9daba1e2a01eba171a57b3a72f |
| --- /dev/null |
| +++ b/third_party/WebKit/LayoutTests/fast/performance/performance-first-paint-timing-observable.html |
| @@ -0,0 +1,33 @@ |
| +<!DOCTYPE html> |
| +<head> |
| +<title>Performance Paint Timing Test</title> |
| +</head> |
| +<body> |
| + <div style="background-color:black;color:white;padding:20px;"></div> |
| + <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(); |
|
panicker
2016/12/05 20:51:23
Add comment indicating why FP is present and FCP i
sunjian
2016/12/07 21:55:43
Done.
|
| + assert_equals(entries.length, 1, |
| + "There should be one 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> |
| +</body> |
| +</html> |
