storage/test/test_StatementCache.cpp
author Ehsan Akhgari <ehsan@mozilla.com>
Wed, 12 Dec 2012 00:05:49 -0500
changeset 115629 553a3bcf1fe771c09cdfd1640e8059c312622b4a
parent 102997 a16372ce30b5f6b747246b01fcd215a4bf3b6342
child 203488 467bd8c70ac0d8df3007cd690f884ecc795f5938
permissions -rw-r--r--
Backed out 7 changesets (bug 769288) because of leaks Backed out changeset b2fb475b6e4e (bug 769288) Backed out changeset 912331d0c2fd (bug 769288) Backed out changeset 6d8d78bd56a9 (bug 769288) Backed out changeset e75cd1e1fca3 (bug 769288) Backed out changeset e10c24f10bd2 (bug 769288) Backed out changeset 7b0fdedb4fa9 (bug 769288) Backed out changeset 42b468942a84 (bug 769288)

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "storage_test_harness.h"

#include "mozilla/storage/StatementCache.h"
using namespace mozilla::storage;

/**
 * This file test our statement cache in StatementCache.h.
 */

////////////////////////////////////////////////////////////////////////////////
//// Helpers

class SyncCache : public StatementCache<mozIStorageStatement>
{
public:
  SyncCache(nsCOMPtr<mozIStorageConnection>& aConnection)
  : StatementCache<mozIStorageStatement>(aConnection)
  {
  }
};

class AsyncCache : public StatementCache<mozIStorageAsyncStatement>
{
public:
  AsyncCache(nsCOMPtr<mozIStorageConnection>& aConnection)
  : StatementCache<mozIStorageAsyncStatement>(aConnection)
  {
  }
};

/**
 * Wraps nsCString so we can not implement the same functions twice for each
 * type.
 */
class StringWrapper : public nsCString
{
public:
  StringWrapper(const char* aOther)
  {
    this->Assign(aOther);
  }
};

////////////////////////////////////////////////////////////////////////////////
//// Test Functions

template<typename StringType>
void
test_GetCachedStatement()
{
  nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
  SyncCache cache(db);

  StringType sql = "SELECT * FROM sqlite_master";

  // Make sure we get a statement back with the right state.
  nsCOMPtr<mozIStorageStatement> stmt = cache.GetCachedStatement(sql);
  do_check_true(stmt);
  int32_t state;
  do_check_success(stmt->GetState(&state));
  do_check_eq(mozIStorageBaseStatement::MOZ_STORAGE_STATEMENT_READY, state);

  // Check to make sure we get the same copy the second time we ask.
  nsCOMPtr<mozIStorageStatement> stmt2 = cache.GetCachedStatement(sql);
  do_check_true(stmt2);
  do_check_eq(stmt.get(), stmt2.get());
}

template <typename StringType>
void
test_FinalizeStatements()
{
  nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
  SyncCache cache(db);

  StringType sql = "SELECT * FROM sqlite_master";

  // Get a statement, and then tell the cache to finalize.
  nsCOMPtr<mozIStorageStatement> stmt = cache.GetCachedStatement(sql);
  do_check_true(stmt);

  cache.FinalizeStatements();

  // We should be in an invalid state at this point.
  int32_t state;
  do_check_success(stmt->GetState(&state));
  do_check_eq(mozIStorageBaseStatement::MOZ_STORAGE_STATEMENT_INVALID, state);

  // Should be able to close the database now too.
  do_check_success(db->Close());
}

template<typename StringType>
void
test_GetCachedAsyncStatement()
{
  nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
  AsyncCache cache(db);

  StringType sql = "SELECT * FROM sqlite_master";

  // Make sure we get a statement back with the right state.
  nsCOMPtr<mozIStorageAsyncStatement> stmt = cache.GetCachedStatement(sql);
  do_check_true(stmt);
  int32_t state;
  do_check_success(stmt->GetState(&state));
  do_check_eq(mozIStorageBaseStatement::MOZ_STORAGE_STATEMENT_READY, state);

  // Check to make sure we get the same copy the second time we ask.
  nsCOMPtr<mozIStorageAsyncStatement> stmt2 = cache.GetCachedStatement(sql);
  do_check_true(stmt2);
  do_check_eq(stmt.get(), stmt2.get());
}

template <typename StringType>
void
test_FinalizeAsyncStatements()
{
  nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
  AsyncCache cache(db);

  StringType sql = "SELECT * FROM sqlite_master";

  // Get a statement, and then tell the cache to finalize.
  nsCOMPtr<mozIStorageAsyncStatement> stmt = cache.GetCachedStatement(sql);
  do_check_true(stmt);

  cache.FinalizeStatements();

  // We should be in an invalid state at this point.
  int32_t state;
  do_check_success(stmt->GetState(&state));
  do_check_eq(mozIStorageBaseStatement::MOZ_STORAGE_STATEMENT_INVALID, state);

  // Should be able to close the database now too.
  do_check_success(db->AsyncClose(nullptr));
}

////////////////////////////////////////////////////////////////////////////////
//// Test Harness Stuff

void (*gTests[])(void) = {
  test_GetCachedStatement<const char []>,
  test_GetCachedStatement<StringWrapper>,
  test_FinalizeStatements<const char []>,
  test_FinalizeStatements<StringWrapper>,
  test_GetCachedAsyncStatement<const char []>,
  test_GetCachedAsyncStatement<StringWrapper>,
  test_FinalizeAsyncStatements<const char []>,
  test_FinalizeAsyncStatements<StringWrapper>,
};

const char *file = __FILE__;
#define TEST_NAME "StatementCache"
#define TEST_FILE file
#include "storage_test_harness_tail.h"