Add a command-line option for specifying a particular build to test and for p...

chrome/test/mini_installer_test/run_all_unittests.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/test/test_suite.h"
 #include "chrome/test/mini_installer_test/mini_installer_test_constants.h"
 #include "chrome_mini_installer.h"
 
+
 void BackUpProfile() {
   if (base::GetProcessCount(L"chrome.exe", NULL) > 0) {
     printf("Chrome is currently running and cannot backup the profile."
            "Please close Chrome and run the tests again.\n");
     exit(1);
   }
   ChromeMiniInstaller installer(mini_installer_constants::kUserInstall);
   FilePath path =
       FilePath::FromWStringHack(installer.GetChromeInstallDirectoryLocation());
   path = path.Append(mini_installer_constants::kChromeAppDir).DirName();
@@ skipping 18 matching lines @@
   // Check command line to decide if the tests should continue
   // with cleaning the system or make a backup before continuing.
   CommandLine::Init(argc, argv);
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch("clean")) {
     printf("Current version of Chrome will be uninstalled "
            "from all levels before proceeding with tests.\n");
   } else if (command_line.HasSwitch("backup")) {
     BackUpProfile();
   } else {
-    printf("This test needs command line Arguments.\n");
-    printf("Usage: mini_installer_tests.exe -{clean|backup}\n");
-    printf("Note: -clean arg will uninstall your chrome at all levels"
+    printf("This test needs command line arguments.\n");
+    printf("Usage: %ls -{clean|backup} [-build <version>] [-force] \n",
+        command_line.program().c_str());
+    printf("-clean arg will uninstall your chrome at all levels"
            " and also delete profile.\n"
            "-backup arg will make a copy of User Data before uninstalling"
            " your chrome at all levels. The copy will be named as"
-           " User Data Copy.\n");
-    exit(1);
+           " User Data Copy.\n"
+           "-build specifies the build to be tested, e.g., 3.0.195.24."
+           " Specifying 'dev' or 'stable' will use the latest build from that"
+           " channel. 'latest', the default, will use the latest build.\n"
+           "-force allows these tests to be run on the current platform,"
+           " regardless of whether it is supported.\n");
+    return 1;
   }
+
   return TestSuite(argc, argv).Run();
 }