mac: Load the system hotkeys after launch. (reland)

content/browser/cocoa/system_hotkey_map_unittest.mm

 // Copyright 2014 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 <gtest/gtest.h>
 
 #import <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
 
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #import "content/browser/cocoa/system_hotkey_map.h"
 #include "content/public/common/content_paths.h"
 
+namespace {
+
+NSData* DataFromTestFile(const char* file) {

[Robert Sesek, 2014/07/22 17:15:24]

I'd put this as a method on SystemHotkeyMapTest.

[erikchen, 2014/07/22 18:30:57]

Done.

+  base::FilePath test_data_dir;
+  bool result = PathService::Get(content::DIR_TEST_DATA, &test_data_dir);
+  if (!result)
+    return nil;
+
+  base::FilePath test_path = test_data_dir.AppendASCII(file);
+  std::string test_path_string = test_path.AsUTF8Unsafe();
+  NSString* file_path =
+      [NSString stringWithUTF8String:test_path_string.c_str()];
+  return [NSData dataWithContentsOfFile:file_path];
+}
+
+}  // namespace
+
 namespace content {
 
 class SystemHotkeyMapTest : public ::testing::Test {
  public:
   SystemHotkeyMapTest() {}
 };
 
 TEST_F(SystemHotkeyMapTest, Parse) {
-  base::FilePath test_data_dir;
-  ASSERT_TRUE(PathService::Get(DIR_TEST_DATA, &test_data_dir));
-
-  base::FilePath test_path =
-      test_data_dir.AppendASCII("mac/mac_system_hotkeys.plist");
-  std::string test_path_string = test_path.AsUTF8Unsafe();
-  NSString* file_path =
-      [NSString stringWithUTF8String:test_path_string.c_str()];
-  NSData* data = [NSData dataWithContentsOfFile:file_path];
+  // This plist was pulled from a real machine. It is extensively populated,
+  // and has no missing or incomplete entries.
+  NSData* data = DataFromTestFile("mac/mac_system_hotkeys.plist");
   ASSERT_TRUE(data);
 
   NSDictionary* dictionary = SystemHotkeyMap::DictionaryFromData(data);
   ASSERT_TRUE(dictionary);
 
   SystemHotkeyMap map;
   bool result = map.ParseDictionary(dictionary);
   EXPECT_TRUE(result);
 
   // Command + ` is a common key binding. It should exist.
@@ skipping 16 matching lines @@
 }
 
 TEST_F(SystemHotkeyMapTest, ParseNil) {
   NSDictionary* dictionary = nil;
 
   SystemHotkeyMap map;
   bool result = map.ParseDictionary(dictionary);
   EXPECT_FALSE(result);
 }
 
+TEST_F(SystemHotkeyMapTest, ParseMouse) {
+  // This plist was pulled from a real machine. It has missing entries,
+  // incomplete entries, and mouse hotkeys.
+  NSData* data = DataFromTestFile("mac/mac_system_hotkeys_sparse.plist");
+  ASSERT_TRUE(data);
+
+  NSDictionary* dictionary = SystemHotkeyMap::DictionaryFromData(data);
+  ASSERT_TRUE(dictionary);
+
+  SystemHotkeyMap map;
+  bool result = map.ParseDictionary(dictionary);
+  EXPECT_TRUE(result);
+
+  // Command + ` is a common key binding. It is missing.
+  // TODO(erikchen): OSX uses the default value when the keybinding is missing,
+  // so the hotkey should still be reserved.
+  // http://crbug.com/383558
+  int key_code = kVK_ANSI_Grave;

[Robert Sesek, 2014/07/22 17:15:24]

Use the right types here, and on line 97.

[erikchen, 2014/07/22 18:30:57]

Done.

+  int modifiers = NSCommandKeyMask;
+  EXPECT_FALSE(map.IsHotkeyReserved(key_code, modifiers));
+
+  // There is a mouse keybinding for 0x08. It should not apply to keyboard
+  // hotkeys.
+  key_code = kVK_ANSI_C;
+  modifiers = 0;
+  EXPECT_FALSE(map.IsHotkeyReserved(key_code, modifiers));
+
+  // Command + Alt + = is an accessibility shortcut. Its entry in the plist is
+  // incomplete.
+  // TODO(erikchen): OSX uses the default bindings, so this hotkey should still
+  // be reserved.
+  // http://crbug.com/383558
+  key_code = kVK_ANSI_Equal;
+  modifiers = NSCommandKeyMask | NSAlternateKeyMask;
+  EXPECT_FALSE(map.IsHotkeyReserved(key_code, modifiers));
+}
+
 }  // namespace content