gecko-dev/widget/headless/tests/test_headless_clipboard.js

47 строки
1.3 KiB
JavaScript

/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
"use strict";
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
function getString(clipboard) {
var str = "";
// Create transferable that will transfer the text.
var trans = Cc["@mozilla.org/widget/transferable;1"].createInstance(
Ci.nsITransferable
);
trans.init(null);
trans.addDataFlavor("text/unicode");
clipboard.getData(trans, Ci.nsIClipboard.kGlobalClipboard);
try {
var data = {};
trans.getTransferData("text/unicode", data);
if (data) {
data = data.value.QueryInterface(Ci.nsISupportsString);
str = data.data;
}
} catch (ex) {
// If the clipboard is empty getTransferData will throw.
}
return str;
}
add_task(async function test_clipboard() {
let clipboard = Services.clipboard;
// Test copy.
const data = "random number: " + Math.random();
let helper = Cc["@mozilla.org/widget/clipboardhelper;1"].getService(
Ci.nsIClipboardHelper
);
helper.copyString(data);
equal(getString(clipboard), data, "Data was successfully copied.");
clipboard.emptyClipboard(Ci.nsIClipboard.kGlobalClipboard);
equal(getString(clipboard), "", "Data was successfully cleared.");
});