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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/paint-timing/with-first-paint/first-paint-only.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/paint-timing/with-first-paint/first-paint-only.html')
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diff --git a/testing/web-platform/tests/paint-timing/with-first-paint/first-paint-only.html b/testing/web-platform/tests/paint-timing/with-first-paint/first-paint-only.html
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+++ b/testing/web-platform/tests/paint-timing/with-first-paint/first-paint-only.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<head>
+<title>Performance Paint Timing Test: FP only</title>
+</head>
+<body>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="main"></div>
+
+<script>
+setup({"hide_test_state": true});
+async_test(function (t) {
+ assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
+ const div = document.createElement("div");
+ div.style.width = "100px";
+ div.style.height = "100px";
+ div.style.backgroundColor = "red";
+ div.style.color = "blue";
+ document.getElementById("main").appendChild(div);
+
+ function testPaintEntries() {
+ const bufferedEntries = performance.getEntriesByType('paint');
+ if (bufferedEntries.length < 1) {
+ t.step_timeout(function() {
+ testPaintEntries();
+ }, 20);
+ return;
+ }
+ t.step(function() {
+ assert_equals(bufferedEntries.length, 1, "FP only.");
+ assert_equals(bufferedEntries[0].entryType, "paint");
+ assert_equals(bufferedEntries[0].name, "first-paint");
+ t.done();
+ });
+ }
+ t.step(function() {
+ testPaintEntries();
+ })
+}, "Performance first paint timing entry exists. No first contentful paint.");
+</script>
+</body>
+</html>