src/third_party/WebKit/Source/modules/indexeddb/IDBTransactionTest.cpp

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  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 "modules/indexeddb/IDBPendingTransactionMonitor.h"
  39 #include "platform/SharedBuffer.h"
  40 #include "public/platform/WebIDBDatabase.h"
  41
  42 #include <gtest/gtest.h>
  43
  44 using namespace WebCore;
  45
  46 using blink::WebIDBDatabase;
  47
  48 namespace {
  49
  50 class IDBTransactionTest : public testing::Test {
  51 public:
  52     IDBTransactionTest()
  53         : m_scope(V8ExecutionScope::create(v8::Isolate::GetCurrent()))
  54         , m_document(Document::create())
  55     {
  56     }
  57
  58     ExecutionContext* executionContext()
  59     {
  60         return m_document.get();
  61     }
  62
  63 private:
  64     OwnPtr<V8ExecutionScope> m_scope;
  65     RefPtr<Document> m_document;
  66 };
  67
  68 class FakeWebIDBDatabase FINAL : public blink::WebIDBDatabase {
  69 public:
  70     static PassOwnPtr<FakeWebIDBDatabase> create() { return adoptPtr(new FakeWebIDBDatabase()); }
  71
  72     virtual void commit(long long transactionId) OVERRIDE { }
  73     virtual void abort(long long transactionId) OVERRIDE { }
  74     virtual void close() OVERRIDE { }
  75
  76 private:
  77     FakeWebIDBDatabase() { }
  78 };
  79
  80 class FakeIDBDatabaseCallbacks FINAL : public IDBDatabaseCallbacks {
  81 public:
  82     static PassRefPtrWillBeRawPtr<FakeIDBDatabaseCallbacks> create() { return adoptRefWillBeNoop(new FakeIDBDatabaseCallbacks()); }
  83     virtual void onVersionChange(int64_t oldVersion, int64_t newVersion) OVERRIDE { }
  84     virtual void onForcedClose() OVERRIDE { }
  85     virtual void onAbort(int64_t transactionId, PassRefPtrWillBeRawPtr<DOMError> error) OVERRIDE { }
  86     virtual void onComplete(int64_t transactionId) OVERRIDE { }
  87 private:
  88     FakeIDBDatabaseCallbacks() { }
  89 };
  90
  91 TEST_F(IDBTransactionTest, EnsureLifetime)
  92 {
  93     OwnPtr<FakeWebIDBDatabase> backend = FakeWebIDBDatabase::create();
  94     RefPtrWillBePersistent<IDBDatabase> db = IDBDatabase::create(executionContext(), backend.release(), FakeIDBDatabaseCallbacks::create());
  95
  96     const int64_t transactionId = 1234;
  97     const Vector<String> transactionScope;
  98     RefPtrWillBeRawPtr<IDBTransaction> transaction = IDBTransaction::create(executionContext(), transactionId, transactionScope, blink::WebIDBDatabase::TransactionReadOnly, db.get());
  99 #if ENABLE(OILPAN)
 100     PersistentHeapHashSet<WeakMember<IDBTransaction> > set;
 101     set.add(transaction);
 102
 103     Heap::collectAllGarbage();
 104     EXPECT_EQ(1u, set.size());
 105 #else
 106     // Local reference, IDBDatabase's reference and IDBPendingTransactionMonitor's reference:
 107     EXPECT_EQ(3, transaction->refCount());
 108 #endif
 109
 110     RefPtrWillBePersistent<IDBRequest> request = IDBRequest::create(executionContext(), IDBAny::createUndefined(), transaction.get());
 111     IDBPendingTransactionMonitor::from(*executionContext()).deactivateNewTransactions();
 112
 113 #if ENABLE(OILPAN)
 114     Heap::collectAllGarbage();
 115     EXPECT_EQ(1u, set.size());
 116 #else
 117     // Local reference and  IDBDatabase's reference., and the IDBRequest's reference
 118     EXPECT_EQ(3, transaction->refCount());
 119 #endif
 120
 121     // This will generate an abort() call to the back end which is dropped by the fake proxy,
 122     // so an explicit onAbort call is made.
 123     executionContext()->stopActiveDOMObjects();
 124     transaction->onAbort(DOMError::create(AbortError, "Aborted"));
 125
 126 #if ENABLE(OILPAN)
 127     Heap::collectAllGarbage();
 128     EXPECT_EQ(0u, set.size());
 129 #else
 130     EXPECT_EQ(1, transaction->refCount());
 131 #endif
 132     request.clear();
 133 }
 134
 135 TEST_F(IDBTransactionTest, TransactionFinish)
 136 {
 137     OwnPtr<FakeWebIDBDatabase> backend = FakeWebIDBDatabase::create();
 138     RefPtrWillBePersistent<IDBDatabase> db = IDBDatabase::create(executionContext(), backend.release(), FakeIDBDatabaseCallbacks::create());
 139
 140     const int64_t transactionId = 1234;
 141     const Vector<String> transactionScope;
 142     RefPtrWillBeRawPtr<IDBTransaction> transaction = IDBTransaction::create(executionContext(), transactionId, transactionScope, blink::WebIDBDatabase::TransactionReadOnly, db.get());
 143 #if ENABLE(OILPAN)
 144     PersistentHeapHashSet<WeakMember<IDBTransaction> > set;
 145     set.add(transaction);
 146
 147     Heap::collectAllGarbage();
 148     EXPECT_EQ(1u, set.size());
 149 #else
 150     // Local reference, IDBDatabase's reference and IDBPendingTransactionMonitor's reference:
 151     EXPECT_EQ(3, transaction->refCount());
 152 #endif
 153
 154     IDBPendingTransactionMonitor::from(*executionContext()).deactivateNewTransactions();
 155
 156 #if ENABLE(OILPAN)
 157     Heap::collectAllGarbage();
 158     EXPECT_EQ(1u, set.size());
 159 #else
 160     // Local reference, IDBDatabase's reference
 161     EXPECT_EQ(2, transaction->refCount());
 162 #endif
 163
 164 #if !ENABLE(OILPAN)
 165     IDBTransaction* transactionPtr = transaction.get();
 166 #endif
 167     transaction.clear();
 168
 169 #if ENABLE(OILPAN)
 170     Heap::collectAllGarbage();
 171     EXPECT_EQ(1u, set.size());
 172 #else
 173     // IDBDatabase's reference
 174     EXPECT_EQ(1, transactionPtr->refCount());
 175 #endif
 176
 177     // Stop the context, so events don't get queued (which would keep the transaction alive).
 178     executionContext()->stopActiveDOMObjects();
 179
 180     // Fire an abort to make sure this doesn't free the transaction during use. The test
 181     // will not fail if it is, but ASAN would notice the error.
 182     db->onAbort(transactionId, DOMError::create(AbortError, "Aborted"));
 183
 184     // onAbort() should have cleared the transaction's reference to the database.
 185 #if ENABLE(OILPAN)
 186     Heap::collectAllGarbage();
 187     EXPECT_EQ(0u, set.size());
 188 #else
 189     EXPECT_EQ(1, db->refCount());
 190 #endif
 191 }
 192
 193 } // namespace