Wrap large IndexedDB values into Blobs before writing to LevelDB.

third_party/WebKit/Source/modules/indexeddb/IDBRequestTest.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 15 matching lines @@
 #include "modules/indexeddb/IDBRequest.h"
 
 #include <memory>
 
 #include "bindings/core/v8/V8BindingForCore.h"
 #include "bindings/core/v8/V8BindingForTesting.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/testing/NullExecutionContext.h"
+#include "modules/indexeddb/IDBDatabase.h"
 #include "modules/indexeddb/IDBDatabaseCallbacks.h"
 #include "modules/indexeddb/IDBKey.h"
 #include "modules/indexeddb/IDBOpenDBRequest.h"
+#include "modules/indexeddb/IDBTransaction.h"
 #include "modules/indexeddb/IDBValue.h"
 #include "modules/indexeddb/MockWebIDBDatabase.h"
 #include "platform/SharedBuffer.h"
 #include "platform/bindings/ScriptState.h"
 #include "platform/wtf/PassRefPtr.h"
 #include "platform/wtf/Vector.h"
 #include "platform/wtf/dtoa/utils.h"
 #include "public/platform/modules/indexeddb/WebIDBCallbacks.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "v8/include/v8.h"
 
 namespace blink {
 namespace {
 
 TEST(IDBRequestTest, EventsAfterStopping) {
   V8TestingScope scope;
-  IDBTransaction* transaction = nullptr;
+  Persistent<IDBDatabaseCallbacks> callbacks = IDBDatabaseCallbacks::Create();
+  std::unique_ptr<MockWebIDBDatabase> backend = MockWebIDBDatabase::Create();
+  EXPECT_CALL(*backend, Close()).Times(1);
+  IDBDatabase* database =
+      IDBDatabase::Create(scope.GetExecutionContext(), std::move(backend),
+                          callbacks, scope.GetIsolate());
+  HashSet<String> transaction_scope = {"store"};
+  const int64_t kTransactionId = 1234;
+  IDBTransaction* transaction = IDBTransaction::CreateNonVersionChange(
+      scope.GetScriptState(), kTransactionId, transaction_scope,
+      kWebIDBTransactionModeReadOnly, database);
   IDBRequest* request = IDBRequest::Create(
       scope.GetScriptState(), IDBAny::CreateUndefined(), transaction);
   EXPECT_EQ(request->readyState(), "pending");
   scope.GetExecutionContext()->NotifyContextDestroyed();
 
   // Ensure none of the following raise assertions in stopped state:
-  request->EnqueueResponse(
+  request->HandleResponse(
       DOMException::Create(kAbortError, "Description goes here."));
+  request->HandleResponse(nullptr, IDBKey::CreateInvalid(),
+                          IDBKey::CreateInvalid(), IDBValue::Create());
+  request->HandleResponse(IDBKey::CreateInvalid());
+  request->HandleResponse(IDBValue::Create());
+  request->HandleResponse(static_cast<int64_t>(0));
+  request->HandleResponse();
+  request->HandleResponse(IDBKey::CreateInvalid(), IDBKey::CreateInvalid(),
+                          IDBValue::Create());
+
   request->EnqueueResponse(Vector<String>());
-  request->EnqueueResponse(nullptr, IDBKey::CreateInvalid(),
-                           IDBKey::CreateInvalid(), IDBValue::Create());
-  request->EnqueueResponse(IDBKey::CreateInvalid());
-  request->EnqueueResponse(IDBValue::Create());
-  request->EnqueueResponse(static_cast<int64_t>(0));
-  request->EnqueueResponse();
-  request->EnqueueResponse(IDBKey::CreateInvalid(), IDBKey::CreateInvalid(),
-                           IDBValue::Create());
 }
 
 TEST(IDBRequestTest, AbortErrorAfterAbort) {
   V8TestingScope scope;
   IDBTransaction* transaction = nullptr;
   IDBRequest* request = IDBRequest::Create(
       scope.GetScriptState(), IDBAny::CreateUndefined(), transaction);
   EXPECT_EQ(request->readyState(), "pending");
 
   // Simulate the IDBTransaction having received OnAbort from back end and
   // aborting the request:
   request->Abort();
 
   // Now simulate the back end having fired an abort error at the request to
   // clear up any intermediaries.  Ensure an assertion is not raised.
-  request->EnqueueResponse(
+  request->HandleResponse(
       DOMException::Create(kAbortError, "Description goes here."));
 
   // Stop the request lest it be GCed and its destructor
   // finds the object in a pending state (and asserts.)
   scope.GetExecutionContext()->NotifyContextDestroyed();
 }
 
 TEST(IDBRequestTest, ConnectionsAfterStopping) {
   V8TestingScope scope;
   const int64_t kTransactionId = 1234;
@@ skipping 23 matching lines @@
     EXPECT_EQ(request->readyState(), "pending");
     std::unique_ptr<WebIDBCallbacks> callbacks = request->CreateWebCallbacks();
 
     scope.GetExecutionContext()->NotifyContextDestroyed();
     callbacks->OnSuccess(backend.release(), metadata);
   }
 }
 
 }  // namespace
 }  // namespace blink