Revision bb80e224f4d801dc6bd21b6e330cce5fe3fa8055 authored by Henrik Skupin on 24 April 2018, 21:19:20 UTC, committed by jgraham on 01 May 2018, 09:56:37 UTC
After closing the last top-level browsing context, the session will be closed too. bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1455282 gecko-commit: e60e61507ef4a95ab2456d13126f6fef9086109a gecko-integration-branch: autoland gecko-reviewers: ato
1 parent 8b9f853
first-contentful-canvas.html
<!DOCTYPE html>
<head>
<title>Performance Paint Timing Test: FCP due to canvas</title>
</head>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<canvas id="canvas" width="200" height="200" ></canvas>
<script>
async_test(function (t) {
const canvas = document.getElementById("canvas");
const context = canvas.getContext("2d");
context.beginPath();
context.moveTo(0,0);
context.lineTo(300,150);
context.stroke();
function testPaintEntries() {
const bufferedEntries = performance.getEntriesByType('paint');
if (bufferedEntries.length < 2) {
t.step_timeout(function() {
testPaintEntries();
}, 20);
return;
}
t.step(function() {
assert_equals(bufferedEntries.length, 2, "There should be two paint timing instances.");
assert_equals(bufferedEntries[0].entryType, "paint");
assert_equals(bufferedEntries[0].name, "first-paint");
assert_equals(bufferedEntries[1].entryType, "paint");
assert_equals(bufferedEntries[1].name, "first-contentful-paint");
t.done();
});
};
t.step(function() {
testPaintEntries();
});
}, "First contentful paint fires due to canvas render.");
</script>
</body>
</html>
![swh spinner](/static/img/swh-spinner.gif)
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