1 /*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "modules/indexeddb/IDBTransaction.h"
33
34 #include "core/dom/DOMError.h"
35 #include "core/dom/Document.h"
36 #include "modules/indexeddb/IDBDatabase.h"
37 #include "modules/indexeddb/IDBDatabaseCallbacks.h"
38 #include "platform/SharedBuffer.h"
39 #include "public/platform/WebIDBDatabase.h"
40 #include <gtest/gtest.h>
41 #include <v8.h>
42
43 namespace blink {
44 namespace {
45
46 class IDBTransactionTest : public testing::Test {
47 public:
IDBTransactionTest()48 IDBTransactionTest()
49 : m_scope(v8::Isolate::GetCurrent())
50 , m_executionContext(Document::create())
51 {
52 m_scope.scriptState()->setExecutionContext(m_executionContext.get());
53 }
54
~IDBTransactionTest()55 ~IDBTransactionTest()
56 {
57 m_scope.scriptState()->setExecutionContext(0);
58 }
59
isolate() const60 v8::Isolate* isolate() const { return m_scope.isolate(); }
scriptState() const61 ScriptState* scriptState() const { return m_scope.scriptState(); }
executionContext()62 ExecutionContext* executionContext() { return m_scope.scriptState()->executionContext(); }
63
deactivateNewTransactions()64 void deactivateNewTransactions()
65 {
66 V8PerIsolateData::from(isolate())->ensureIDBPendingTransactionMonitor()->deactivateNewTransactions();
67 }
68
69 private:
70 V8TestingScope m_scope;
71 RefPtrWillBePersistent<ExecutionContext> m_executionContext;
72 };
73
74 class FakeWebIDBDatabase FINAL : public WebIDBDatabase {
75 public:
create()76 static PassOwnPtr<FakeWebIDBDatabase> create() { return adoptPtr(new FakeWebIDBDatabase()); }
77
commit(long long transactionId)78 virtual void commit(long long transactionId) OVERRIDE { }
abort(long long transactionId)79 virtual void abort(long long transactionId) OVERRIDE { }
close()80 virtual void close() OVERRIDE { }
81
82 private:
FakeWebIDBDatabase()83 FakeWebIDBDatabase() { }
84 };
85
86 class FakeIDBDatabaseCallbacks FINAL : public IDBDatabaseCallbacks {
87 public:
create()88 static FakeIDBDatabaseCallbacks* create() { return new FakeIDBDatabaseCallbacks(); }
onVersionChange(int64_t oldVersion,int64_t newVersion)89 virtual void onVersionChange(int64_t oldVersion, int64_t newVersion) OVERRIDE { }
onForcedClose()90 virtual void onForcedClose() OVERRIDE { }
onAbort(int64_t transactionId,PassRefPtrWillBeRawPtr<DOMError> error)91 virtual void onAbort(int64_t transactionId, PassRefPtrWillBeRawPtr<DOMError> error) OVERRIDE { }
onComplete(int64_t transactionId)92 virtual void onComplete(int64_t transactionId) OVERRIDE { }
93 private:
FakeIDBDatabaseCallbacks()94 FakeIDBDatabaseCallbacks() { }
95 };
96
TEST_F(IDBTransactionTest,EnsureLifetime)97 TEST_F(IDBTransactionTest, EnsureLifetime)
98 {
99 OwnPtr<FakeWebIDBDatabase> backend = FakeWebIDBDatabase::create();
100 Persistent<IDBDatabase> db = IDBDatabase::create(executionContext(), backend.release(), FakeIDBDatabaseCallbacks::create());
101
102 const int64_t transactionId = 1234;
103 const Vector<String> transactionScope;
104 Persistent<IDBTransaction> transaction = IDBTransaction::create(scriptState(), transactionId, transactionScope, WebIDBTransactionModeReadOnly, db.get());
105 PersistentHeapHashSet<WeakMember<IDBTransaction> > set;
106 set.add(transaction);
107
108 Heap::collectAllGarbage();
109 EXPECT_EQ(1u, set.size());
110
111 Persistent<IDBRequest> request = IDBRequest::create(scriptState(), IDBAny::createUndefined(), transaction.get());
112 deactivateNewTransactions();
113
114 Heap::collectAllGarbage();
115 EXPECT_EQ(1u, set.size());
116
117 // This will generate an abort() call to the back end which is dropped by the fake proxy,
118 // so an explicit onAbort call is made.
119 executionContext()->stopActiveDOMObjects();
120 transaction->onAbort(DOMError::create(AbortError, "Aborted"));
121 transaction.clear();
122
123 Heap::collectAllGarbage();
124 EXPECT_EQ(0u, set.size());
125 }
126
TEST_F(IDBTransactionTest,TransactionFinish)127 TEST_F(IDBTransactionTest, TransactionFinish)
128 {
129 OwnPtr<FakeWebIDBDatabase> backend = FakeWebIDBDatabase::create();
130 Persistent<IDBDatabase> db = IDBDatabase::create(executionContext(), backend.release(), FakeIDBDatabaseCallbacks::create());
131
132 const int64_t transactionId = 1234;
133 const Vector<String> transactionScope;
134 Persistent<IDBTransaction> transaction = IDBTransaction::create(scriptState(), transactionId, transactionScope, WebIDBTransactionModeReadOnly, db.get());
135 PersistentHeapHashSet<WeakMember<IDBTransaction> > set;
136 set.add(transaction);
137
138 Heap::collectAllGarbage();
139 EXPECT_EQ(1u, set.size());
140
141 deactivateNewTransactions();
142
143 Heap::collectAllGarbage();
144 EXPECT_EQ(1u, set.size());
145
146 transaction.clear();
147
148 Heap::collectAllGarbage();
149 EXPECT_EQ(1u, set.size());
150
151 // Stop the context, so events don't get queued (which would keep the transaction alive).
152 executionContext()->stopActiveDOMObjects();
153
154 // Fire an abort to make sure this doesn't free the transaction during use. The test
155 // will not fail if it is, but ASAN would notice the error.
156 db->onAbort(transactionId, DOMError::create(AbortError, "Aborted"));
157
158 // onAbort() should have cleared the transaction's reference to the database.
159 Heap::collectAllGarbage();
160 EXPECT_EQ(0u, set.size());
161 }
162
163 } // namespace
164 } // namespace blink
165