| <!doctype html> |
| <meta charset=utf-8> |
| <title>navigator.clipboard readText and writeText on detached iframe</title> |
| <link rel='help' href='https://w3c.github.io/clipboard-apis/#async-clipboard-api'> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <script src="../resources/user-activation.js"></script> |
| <iframe id="iframe"></iframe> |
| <script> |
| 'use strict'; |
| |
| promise_test(async t => { |
| await tryGrantReadPermission(); |
| await tryGrantWritePermission(); |
| |
| const iframe = document.getElementById('iframe'); |
| await waitForUserActivation(); |
| // Clipboard API must only be available in focused documents. |
| // reference: https://www.w3.org/TR/clipboard-apis/#privacy-async |
| iframe.focus(); |
| const iframeClipboard = iframe.contentWindow.navigator.clipboard; |
| |
| // Writing and reading should succeed on same-origin iframes. |
| const attachedWriteText = 'attached write text' |
| await iframeClipboard.writeText(attachedWriteText); |
| const attachedWriteResult = await iframeClipboard.readText(); |
| assert_equals(attachedWriteResult, attachedWriteText, |
| 'attached iframes should be able to readText and writeText normally'); |
| |
| iframe.parentNode.removeChild(iframe); |
| // Writing onto a detached iframe's clipboard should fail, but not crash. |
| const detachedWriteText = 'detached write text'; |
| await iframeClipboard.writeText(detachedWriteText); |
| const readResultDetached = await iframeClipboard.readText(); |
| assert_equals(readResultDetached, undefined, |
| 'reading from detached iframes should output undefined'); |
| }, 'Verify readText and writeText fails on detached iframe'); |
| </script> |
