third_party/WebKit/LayoutTests/fast/performance/performance-first-paint-timing-observable.html - Issue 2528513003: first-paint and first-contentful paint

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Issue 2528513003: first-paint and first-contentful paint (Closed)

Patch Set: updated layout tests Created 4 years ago

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	1 <!DOCTYPE html>

	2 <head>

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

	4 </head>

	5 <body>

	6 <div style="background-color:black;color:white;padding:20px;"></div>

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

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

	9 <script>

	10

	11 async_test(function (t) {

	12 var observer = new PerformanceObserver(

	13 t.step_func(function (entryList) {

	14 var entries = entryList.getEntries();
	panicker 2016/12/05 20:51:23 Add comment indicating why FP is present and FCP i Add comment indicating why FP is present and FCP is not sunjian 2016/12/07 21:55:43 Done. Show quoted text On 2016/12/05 20:51:23, panicker wrote: > Add comment indicating why FP is present and FCP is not Done.
	15 assert_equals(entries.length, 1,

	16 "There should be one paint timing instance.");

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

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

	19 assert_equals(entries[0].name, "first-paint",

	20 "Expected name to be: first-paint.");

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

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

	23 observer.disconnect();

	24 t.done();

	25 })

	26 );

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

	28

	29 }, "Performance first paint timing entry is observable.");

	30

	31 </script>

	32 </body>

	33 </html>

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