third_party/WebKit/LayoutTests/fast/performance/performance-paint-timing-observable.html - Issue 2860143002: Add tests for paint-timing, and move existing tests to same location

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Issue 2860143002: Add tests for paint-timing, and move existing tests to same location (Closed)

Patch Set: add missing image resources Created 3 years, 7 months ago

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1 <!DOCTYPE html>

2 <head>

3 <title>Performance Paint Timing Test</title>

4 </head>

5 <body>

6 <script src="../../resources/testharness.js"></script>

7 <script src="../../resources/testharnessreport.js"></script>

8 <script>

9

10 async_test(function (t) {

11 var observer = new PerformanceObserver(

12 t.step_func(function (entryList) {

13 var entries = entryList.getEntries();

14 assert_equals(entries.length, 2,

15 "There should be two paint timing instances.");

16 assert_equals(entries[0].entryType, "paint",

17 "Expected entryType to be: paint.");

18 assert_equals(entries[0].duration, 0,

19 "Expected duration to be: 0.");

20

21 assert_equals(entries[1].entryType, "paint",

22 "Expected entryType to be: paint.");

23 assert_equals(entries[1].duration, 0,

24 "Expected duration to be: 0.");

25 observer.disconnect();

26 t.done();

27 })

28 );

29 observer.observe({entryTypes: ["paint"]});

30

31 }, "Both first-paint-timing and first-contentful-paint timing entry are obse rvable.");

32

33 </script>

34 <div style="background-color:black;color:white;padding:20px;">...test...</di v>

35 </body>

36 </html>

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