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

Side by Side Diff

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Keyboard Shortcuts

	File
u :	up to issue
j / k :	jump to file after / before current file
J / K :	jump to next file with a comment after / before current file
	Side-by-side diff
i :	toggle intra-line diffs
e :	expand all comments
c :	collapse all comments
s :	toggle showing all comments
n / p :	next / previous diff chunk or comment
N / P :	next / previous comment
<Up> / <Down> :	next / previous line

	Issue
u :	up to list of issues
j / k :	jump to patch after / before current patch
o / <Enter> :	open current patch in side-by-side view
i :	open current patch in unified diff view

	Issue List
j / k :	jump to issue after / before current issue
o / <Enter> :	open current issue

Side by Side Diff: third_party/WebKit/LayoutTests/fast/performance/performance-first-paint-timing-observable.html

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

Patch Set: Got rid of DCHECK cause it breaks unit tests Created 3 years, 11 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

OLD	NEW
(Empty)
	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 // Nothing contentful to be painted yet.

	15 assert_equals(entries.length, 1,

	16 "There should be only first 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 </script>

	31

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

	33 </body>

	34 </html>

OLD	NEW