third_party/WebKit/LayoutTests/http/tests/performance-timing/paint-timing/basetest.html - Issue 2932593002: Attempt 2: Update PaintTiming Web Perf APIs for FP & FCP to report swap time

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Issue 2932593002: Attempt 2: Update PaintTiming Web Perf APIs for FP & FCP to report swap time (Closed)

Patch Set: replace var with let Created 3 years, 6 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 <div id="main"></div>

	9

	10 <script>

	11 async_test(function(t) {

	12 testRunner.capturePixelsAsyncThen(t.step_func(function() {

	13 bufferedEntries = performance.getEntriesByType('paint');

	14 assert_equals(bufferedEntries.length, 0, "No paint entries yet");

	15

	16 let div = document.createElement("div");
	tdresser 2017/06/12 14:44:45 const const
	17 div.style.width = "100px";

	18 div.style.height = "100px";

	19 div.style.backgroundColor = "red";

	20 div.style.color = "blue";

	21 div.innerHTML = "test"

	22 document.getElementById("main").appendChild(div);

	23

	24 testRunner.capturePixelsAsyncThen(t.step_func_done(function() {

	25 const bufferedEntries = performance.getEntriesByType('paint');

	26 assert_equals(bufferedEntries.length, 2, "FP and FCP.");

	27 assert_equals(bufferedEntries[0].entryType, "paint");

	28 assert_equals(bufferedEntries[0].name, "first-paint");

	29 assert_equals(bufferedEntries[1].entryType, "paint");

	30 assert_equals(bufferedEntries[1].name, "first-contentful-paint") ;

	31 }));

	32 }));

	33 }, "Basic test to check existence of FP and FCP.");

	34 </script>

	35 </body>

	36 </html>

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