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26 lines
819 B
HTML
26 lines
819 B
HTML
<!DOCTYPE html>
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<script src="../include.js"></script>
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<script>
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promiseTest(async () => {
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const iframe = document.createElement('iframe');
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document.body.appendChild(iframe);
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await new Promise(resolve => iframe.onload = resolve);
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const iframeCloseWatcher = iframe.contentWindow.CloseWatcher;
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const iframeDOMException = iframe.contentWindow.DOMException;
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iframe.remove();
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try {
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new iframeCloseWatcher();
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println("FAIL");
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} catch (error) {
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if (error instanceof iframeDOMException && error.name === "InvalidStateError") {
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println("PASS");
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} else {
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println(`FAIL: CloseWatcher construction threw unexpected error: ${error.name}`);
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}
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}
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});
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</script>
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