Require confirmation for writable directory access.

chrome/common/extensions/permissions/api_permission_set_unittest.cc

 // Copyright (c) 2012 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/pickle.h"
 #include "base/values.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/extensions/permissions/api_permission_set.h"
 #include "chrome/common/extensions/permissions/permissions_info.h"
 #include "ipc/ipc_message.h"
@@ skipping 283 matching lines @@
 
   EXPECT_NE(apis, expected_apis);
 
   IPC::Message m;
   WriteParam(&m, apis);
   PickleIterator iter(m);
   CHECK(ReadParam(&m, &iter, &expected_apis));
   EXPECT_EQ(apis, expected_apis);
 }
 
+TEST(APIPermissionSetTest, ImplicitPermissions) {
+  APIPermissionSet apis;
+  apis.insert(APIPermission::kFileSystemWrite);
+  apis.AddImpliedPermissions();
+
+  EXPECT_EQ(apis.find(APIPermission::kFileSystemWrite)->id(),
+            APIPermission::kFileSystemWrite);
+  EXPECT_EQ(apis.size(), 1u);
+
+  apis.erase(APIPermission::kFileSystemWrite);
+  apis.insert(APIPermission::kFileSystemDirectory);
+  apis.AddImpliedPermissions();
+
+  EXPECT_EQ(apis.find(APIPermission::kFileSystemDirectory)->id(),
+            APIPermission::kFileSystemDirectory);
+  EXPECT_EQ(apis.size(), 1u);
+
+  apis.insert(APIPermission::kFileSystemWrite);
+  apis.AddImpliedPermissions();
+
+  EXPECT_EQ(apis.find(APIPermission::kFileSystemWrite)->id(),
+            APIPermission::kFileSystemWrite);
+  EXPECT_EQ(apis.find(APIPermission::kFileSystemDirectory)->id(),
+            APIPermission::kFileSystemDirectory);
+  EXPECT_EQ(apis.find(APIPermission::kFileSystemWriteDirectory)->id(),
+            APIPermission::kFileSystemWriteDirectory);
+  EXPECT_EQ(apis.size(), 3u);
+}
+
 }  // namespace extensions