test_headless_clipboard.js

Enable keyboard shortcuts

/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* vim: set sts=2 sw=2 et tw=80: */

"use strict";

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/plain");

  clipboard.getData(trans, Ci.nsIClipboard.kGlobalClipboard);

  try {

    var data = {};

    trans.getTransferData("text/plain", 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.");

});