diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/update/tests/unit_service_updater/marAppInUseSuccessCompleteSvc.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/update/tests/unit_service_updater/marAppInUseSuccessCompleteSvc.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,69 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/* Application in use complete MAR file patch apply success test */
+
+function run_test() {
+  if (!shouldRunServiceTest()) {
+    return;
+  }
+
+  setupTestCommon();
+  gTestFiles = gTestFilesCompleteSuccess;
+  gTestDirs = gTestDirsCompleteSuccess;
+  setupUpdaterTest(FILE_COMPLETE_MAR, false, false);
+
+  // Launch the callback helper application so it is in use during the update.
+  let callbackApp = getApplyDirFile("a/b/" + gCallbackBinFile);
+  callbackApp.permissions = PERMS_DIRECTORY;
+  let args = [getApplyDirPath() + "a/b/", "input", "output", "-s",
+              HELPER_SLEEP_TIMEOUT];
+  let callbackAppProcess = AUS_Cc["@mozilla.org/process/util;1"].
+                           createInstance(AUS_Ci.nsIProcess);
+  callbackAppProcess.init(callbackApp);
+  callbackAppProcess.run(false, args, args.length);
+
+  setupAppFilesAsync();
+}
+
+function setupAppFilesFinished() {
+  do_timeout(TEST_HELPER_TIMEOUT, waitForHelperSleep);
+}
+
+function doUpdate() {
+  // For Mac OS X set the last modified time for the root directory to a date in
+  // the past to test that the last modified time is updated on a successful
+  // update (bug 600098).
+  if (IS_MACOSX) {
+    let applyToDir = getApplyDirFile();
+    let now = Date.now();
+    let yesterday = now - (1000 * 60 * 60 * 24);
+    applyToDir.lastModifiedTime = yesterday;
+  }
+
+  runUpdateUsingService(STATE_PENDING_SVC, STATE_SUCCEEDED);
+}
+
+function checkUpdateFinished() {
+  setupHelperFinish();
+}
+
+function checkUpdate() {
+  if (IS_MACOSX) {
+    logTestInfo("testing last modified time on the apply to directory has " +
+                "changed after a successful update (bug 600098)");
+    let now = Date.now();
+    let applyToDir = getApplyDirFile();
+    let timeDiff = Math.abs(applyToDir.lastModifiedTime - now);
+    do_check_true(timeDiff < MAC_MAX_TIME_DIFFERENCE);
+  }
+
+  checkFilesAfterUpdateSuccess();
+  // Sorting on Linux is different so skip this check for now.
+  if (!IS_UNIX) {
+    checkUpdateLogContents(LOG_COMPLETE_SUCCESS);
+  }
+
+  checkCallbackServiceLog();
+}