Session-only local storage cleared on exit.

content/browser/in_process_webkit/dom_storage_unittest.cc

+// Copyright (c) 2011 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/file_path.h"
+#include "base/file_util.h"
+#include "chrome/browser/extensions/mock_extension_special_storage_policy.h"
+#include "chrome/test/base/testing_browser_process.h"
+#include "chrome/test/base/testing_browser_process_test.h"
+#include "chrome/test/base/testing_profile.h"
+#include "content/browser/in_process_webkit/webkit_context.h"
+
+class DOMStorageTest : public TestingBrowserProcessTest {
+ public:
+  DOMStorageTest()
+      : message_loop_(MessageLoop::TYPE_IO),
+        webkit_thread_(BrowserThread::WEBKIT, &message_loop_) {
+  }
+ protected:
+  MessageLoop message_loop_;
+
+ private:
+  BrowserThread webkit_thread_;
+};
+
+TEST_F(DOMStorageTest, SessionOnly) {
+  GURL session_only_origin("http://www.sessiononly.com");
+  scoped_refptr<MockExtensionSpecialStoragePolicy>
+      extension_special_storage_policy(new MockExtensionSpecialStoragePolicy);
+  extension_special_storage_policy->AddSessionOnly(session_only_origin);
+
+  TestingProfile profile;
+  profile.SetExtensionSpecialStoragePolicy(
+      extension_special_storage_policy.get());
+
+  // Create databases for permanent and session-only origins.
+  FilePath domstorage_dir = profile.GetPath().Append(
+      DOMStorageContext::kLocalStorageDirectory);
+  FilePath::StringType session_only_database(
+      FILE_PATH_LITERAL("http_www.sessiononly.com_0"));
+  FilePath::StringType permanent_database(
+      FILE_PATH_LITERAL("http_www.permanent.com_0"));
+  session_only_database.append(DOMStorageContext::kLocalStorageExtension);
+  permanent_database.append(DOMStorageContext::kLocalStorageExtension);
+  FilePath session_only_database_path =
+      domstorage_dir.Append(session_only_database);
+  FilePath permanent_database_path =
+      domstorage_dir.Append(permanent_database);
+
+  ASSERT_TRUE(file_util::CreateDirectory(domstorage_dir));
+
+  ASSERT_EQ(1, file_util::WriteFile(session_only_database_path, ".", 1));
+  ASSERT_EQ(1, file_util::WriteFile(permanent_database_path, ".", 1));
+
+  // Tell the WebKitContext explicitly do clean up the session-only
+  // data. TestingProfile (unlike ProfileImpl) doesn't do it automatically when
+  // destructed. The deletion is done immediately since we're on the WEBKIT
+  // thread (created by the test).
+  profile.GetWebKitContext()->DeleteSessionOnlyData();
+
+  // Expected result: the database file for the permanent storage remains but
+  // the database for the session only storage was deleted.
+  EXPECT_FALSE(file_util::PathExists(session_only_database_path));
+  EXPECT_TRUE(file_util::PathExists(permanent_database_path));
+}