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