56 lines
1.3 KiB
HTML
56 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<body>
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<p>This tests that JS wrappers of targets enqueued to be delivered to an intersection observer do not get collected.</p>
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<pre id="log"></pre>
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<script src="../resources/gc.js"></script>
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<script>
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if (window.testRunner)
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testRunner.dumpAsText();
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const targetCount = 5;
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const iterationCount = 5;
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var deadCount = 0;
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async function runAll() {
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if (window.testRunner)
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testRunner.waitUntilDone();
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for (let i = 0; i < iterationCount; ++i) {
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runTest();
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gc();
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await new Promise((resolve) => requestAnimationFrame(resolve))
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}
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document.getElementById('log').textContent = (deadCount ? `FAIL - ${deadCount} targets lost JS wrappers` : 'PASS') + '\n';
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if (window.testRunner)
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testRunner.notifyDone();
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}
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function runTest() {
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document.querySelectorAll('div').forEach(target => { target.remove(); });
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for (let i = 0; i < targetCount; ++i) {
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let target = document.createElement('div');
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target.myState = 'live';
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document.body.appendChild(target);
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}
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document.querySelectorAll('div').forEach(target => { observer.observe(target); });
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}
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const observer = new IntersectionObserver(entries => {
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for (const entry of entries) {
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if (entry.target.myState != 'live')
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deadCount++;
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}
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});
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runAll();
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</script>
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</body>
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</html>
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