Appcache, local storage, indexed db, databases: skip exit-time deletion when restarting.

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 "content/browser/browser_thread_impl.h"
 #include "content/browser/in_process_webkit/webkit_context.h"
 #include "content/test/test_browser_context.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 15 matching lines @@
  private:
   BrowserThreadImpl webkit_thread_;
 };
 
 TEST_F(DOMStorageTest, SessionOnly) {
   GURL session_only_origin("http://www.sessiononly.com");
   scoped_refptr<quota::MockSpecialStoragePolicy> special_storage_policy =
       new quota::MockSpecialStoragePolicy;
   special_storage_policy->AddSessionOnly(session_only_origin);
 
-  // A scope for deleting TestBrowserContext early enough.
-  {
-    TestBrowserContext browser_context;
+  TestBrowserContext browser_context;
 
-    // Create databases for permanent and session-only origins.
-    FilePath domstorage_dir = browser_context.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);
+  // Create databases for permanent and session-only origins.
+  FilePath domstorage_dir = browser_context.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_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));
+  ASSERT_EQ(1, file_util::WriteFile(session_only_database_path, ".", 1));
+  ASSERT_EQ(1, file_util::WriteFile(permanent_database_path, ".", 1));
 
-    // Inject MockSpecialStoragePolicy into DOMStorageContext.
-    browser_context.GetWebKitContext()->dom_storage_context()->
-        special_storage_policy_ = special_storage_policy;
+  // Inject MockSpecialStoragePolicy into DOMStorageContext.
+  browser_context.GetWebKitContext()->dom_storage_context()->
+       special_storage_policy_ = special_storage_policy;
 
-    // Tell the WebKitContext explicitly do clean up the session-only
-    // data. TestBrowserContext doesn't do it automatically
-    // when destructed. The deletion is done immediately since we're on the
-    // WEBKIT thread (created by the test).
-    browser_context.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));
-  }
+  // Delete the WebKitContext before destroying TestBrowserContext. This way the
+  // temporary data directory stays alive long enough to conduct the test.
+  browser_context.webkit_context_ = NULL;
   // Run the message loop to ensure that DOMStorageContext gets destroyed.
   message_loop_.RunAllPending();
+
+  // 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));
 }
+
+TEST_F(DOMStorageTest, SaveSessionState) {
+  GURL session_only_origin("http://www.sessiononly.com");
+  scoped_refptr<quota::MockSpecialStoragePolicy> special_storage_policy =
+      new quota::MockSpecialStoragePolicy;
+  special_storage_policy->AddSessionOnly(session_only_origin);
+
+  TestBrowserContext browser_context;
+
+  // Create databases for permanent and session-only origins.
+  FilePath domstorage_dir = browser_context.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));
+
+  // Inject MockSpecialStoragePolicy into DOMStorageContext.
+  DOMStorageContext* dom_storage_context =
+    browser_context.GetWebKitContext()->dom_storage_context();
+  dom_storage_context->special_storage_policy_ = special_storage_policy;
+
+  dom_storage_context->set_clear_local_state_on_exit_(true);
+
+  // Save session state. This should bypass the destruction-time deletion.
+  dom_storage_context->SaveSessionState();
+
+  // Delete the WebKitContext before destroying TestBrowserContext. This way the
+  // temporary data directory stays alive long enough to conduct the test.
+  browser_context.webkit_context_ = NULL;
+  // Run the message loop to ensure that DOMStorageContext gets destroyed.
+  message_loop_.RunAllPending();
+
+  // Expected result: no database files were deleted because of
+  // SaveSessionState.
+  EXPECT_TRUE(file_util::PathExists(session_only_database_path));
+  EXPECT_TRUE(file_util::PathExists(permanent_database_path));
+}