canCheckForAndCanApplyUpdates.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

*/

function run_test() {

  setupTestCommon();

  // Verify write access to the custom app dir

  debugDump("testing write access to the application directory");

  let testFile = getCurrentProcessDir();

  testFile.append("update_write_access_test");

  testFile.create(Ci.nsIFile.NORMAL_FILE_TYPE, PERMS_FILE);

  Assert.ok(testFile.exists(), MSG_SHOULD_EXIST);

  testFile.remove(false);

  Assert.ok(!testFile.exists(), MSG_SHOULD_NOT_EXIST);

  if (AppConstants.platform == "win") {

    // Create a mutex to prevent being able to check for or apply updates.

    debugDump("attempting to create mutex");

    let handle = createMutex(getPerInstallationMutexName());

    Assert.ok(!!handle, "the update mutex should have been created");

    // Check if available updates cannot be checked for when there is a mutex

    // for this installation.

    Assert.ok(

      !gAUS.canCheckForUpdates,

      "should not be able to check for " +

        "updates when there is an update mutex"

);

    // Check if updates cannot be applied when there is a mutex for this

    // installation.

    Assert.ok(

      !gAUS.canApplyUpdates,

      "should not be able to apply updates when there is an update mutex"

);

    debugDump("destroying mutex");

    closeHandle(handle);

  // Check if available updates can be checked for

  Assert.ok(gAUS.canCheckForUpdates, "should be able to check for updates");

  // Check if updates can be applied

  Assert.ok(gAUS.canApplyUpdates, "should be able to apply updates");

  if (AppConstants.platform == "win") {

    // Attempt to create a mutex when application update has already created one

    // with the same name.

    debugDump("attempting to create mutex");

    let handle = createMutex(getPerInstallationMutexName());

    Assert.ok(

      !handle,

      "should not be able to create the update mutex when " +

        "the application has created the update mutex"

);

  doTestFinish();