35 lines
1.5 KiB
HTML
35 lines
1.5 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>navigator.clipboard read on detaching iframe</title>
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<link rel='help' href='https://w3c.github.io/clipboard-apis/#async-clipboard-api'>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/resources/testdriver.js"></script>
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<script src="/resources/testdriver-vendor.js"></script>
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<script src="../resources/user-activation.js"></script>
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<iframe id="iframe"></iframe>
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<script>
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'use strict';
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promise_test(async t => {
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// This tests proper behavior on a detaching iframe. text/plain is chosen for
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// simplicity, and the test should fail the same way no matter what the input
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// type is.
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await tryGrantReadPermission();
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await tryGrantWritePermission();
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const iframe = document.getElementById('iframe');
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const iframeClipboard = iframe.contentWindow.navigator.clipboard;
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const blobInput = new Blob(['test string'], {type: 'text/plain'});
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const clipboardItemInput = new ClipboardItem({'text/plain': blobInput});
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// Clipboard API must only be available in focused documents.
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// reference: https://www.w3.org/TR/clipboard-apis/#privacy-async
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iframe.focus();
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// An iframe detaching while writing to the clipboard should fail, but not
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// crash. The lack of await here means that the iframe will detach while the
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// write operation is running.
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iframeClipboard.read([clipboardItemInput]);
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iframe.parentNode.removeChild(iframe);
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}, 'Verify read fails on detaching iframe');
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</script>
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