Add facitility for Global Keyboard shortcuts.

chrome/browser/global_keyboard_shortcuts_mac_unittest.cc

Index: chrome/browser/global_keyboard_shortcuts_mac_unittest.cc
diff --git a/chrome/browser/global_keyboard_shortcuts_mac_unittest.cc b/chrome/browser/global_keyboard_shortcuts_mac_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c8c22d2a114c5538258cea72c011470c2d6596af
--- /dev/null
+++ b/chrome/browser/global_keyboard_shortcuts_mac_unittest.cc
@@ -0,0 +1,22 @@
+// 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 "chrome/browser/global_keyboard_shortcuts_mac.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(GlobalKeyboardShortcuts, ShortCutsToCommand) {
+  // Test that an invalid shortcut translates into an invalid command id.
+  ASSERT_EQ(CommandForKeyboardShortcut(false, false, false, 0), -1);
+  
+  // Check that all known keyboard shortcuts return valid results.
+  size_t num_shortcuts = 0;
+  const KeyboardShortcutData *it = GetKeyboardShortCutTable(&num_shortcuts);
+  ASSERT_GT(num_shortcuts, 0U);
+  for (size_t i = 0; i < num_shortcuts; ++i, ++it) {
+    int cmd_num = CommandForKeyboardShortcut(it->command_key, it->shift_key, 
+        it->cntrl_key, it->vkey_code);
+    ASSERT_EQ(cmd_num, it->chrome_command);
+  }
+}