gecko-dev/browser/base/content/test/general/browser_middleMouse_noJSPaste.js

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

const middleMousePastePref = "middlemouse.contentLoadURL";
const autoScrollPref = "general.autoScroll";

add_task(async function () {
  await pushPrefs([middleMousePastePref, true], [autoScrollPref, false]);

  let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser);

  let url = "javascript:http://www.example.com/";
  await new Promise((resolve, reject) => {
    SimpleTest.waitForClipboard(
      url,
      () => {
        Cc["@mozilla.org/widget/clipboardhelper;1"]
          .getService(Ci.nsIClipboardHelper)
          .copyString(url);
      },
      resolve,
      () => {
        ok(false, "Clipboard copy failed");
        reject();
      }
    );
  });

  let middlePagePromise = BrowserTestUtils.browserLoaded(tab.linkedBrowser);

  // Middle click on the content area
  info("Middle clicking");
  await BrowserTestUtils.synthesizeMouse(
    null,
    10,
    10,
    { button: 1 },
    gBrowser.selectedBrowser
  );
  await middlePagePromise;

  is(
    gBrowser.currentURI.spec,
    url.replace(/^javascript:/, ""),
    "url loaded by middle click doesn't include JS"
  );

  gBrowser.removeTab(tab);
});