<!DOCTYPE html> <script src="/resources/testdriver.js"></script> <script src="/resources/testdriver-action.js"></script> <script src="/resources/testdriver-vendor.js"></script> <script src="user-activation.js"></script> <div style="width: 10px; height: 10px"></div> <script> window.addEventListener("message", async (e) => { if (e.data && e.data[0] == "write") { test_driver.set_test_context(window.parent); await test_driver.set_permission({name: 'clipboard-read'}, 'granted'); await test_driver.set_permission({name: 'clipboard-write'}, 'granted'); await waitForUserActivation(); await navigator.clipboard.write([ new ClipboardItem({ "text/plain": e.data[1], }), ]).catch(() => { assert_true(false, `should not fail`); }); window.parent.postMessage("done", "*"); } }); </script> </html>