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<!DOCTYPE html>
<head>
<title>Performance Paint Timing Test: FCP when canvas context is created</title>
</head>
<body>
<script src="../resources/utils.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<canvas id="canvas" width="50" height="50"></canvas>
<script>
setup({"hide_test_state": true});
promise_test(async t => {
assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported.");
await new Promise(r => window.addEventListener('load', r));
await assertNoFirstContentfulPaint(t);
const canvas = document.getElementById('canvas');
const context = canvas.getContext('2d');
context.fillRect(0, 0, 100, 100);
await assertFirstContentfulPaint(t);
}, 'Canvas should count as contentful when context is created');
</script>
</body>
</html>
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