The Tor Browser: storage/test/test_transaction_helper.cpp@b8a032363ba2 (annotated)

storage/test/test_transaction_helper.cpp@b8a032363ba2 (annotated)

storage/test/test_transaction_helper.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* -*- 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 "mozStorageHelper.h"
 /**
  * This file test our Transaction helper in mozStorageHelper.h.
  */
 void
 test_HasTransaction()
 {
   nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
   // First test that it holds the transaction after it should have gotten one.
   {
     mozStorageTransaction transaction(db, false);
     do_check_true(transaction.HasTransaction());
     (void)transaction.Commit();
     // And that it does not have a transaction after we have committed.
     do_check_false(transaction.HasTransaction());
   }
   // Check that no transaction is had after a rollback.
   {
     mozStorageTransaction transaction(db, false);
     do_check_true(transaction.HasTransaction());
     (void)transaction.Rollback();
     do_check_false(transaction.HasTransaction());
   }
   // Check that we do not have a transaction if one is already obtained.
   mozStorageTransaction outerTransaction(db, false);
   do_check_true(outerTransaction.HasTransaction());
   {
     mozStorageTransaction innerTransaction(db, false);
     do_check_false(innerTransaction.HasTransaction());
   }
 }
 void
 test_Commit()
 {
   nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
   // Create a table in a transaction, call Commit, and make sure that it does
   // exists after the transaction falls out of scope.
   {
     mozStorageTransaction transaction(db, false);
     (void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
       "CREATE TABLE test (id INTEGER PRIMARY KEY)"
     ));
     (void)transaction.Commit();
   }
   bool exists = false;
   (void)db->TableExists(NS_LITERAL_CSTRING("test"), &exists);
   do_check_true(exists);
 }
 void
 test_Rollback()
 {
   nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
   // Create a table in a transaction, call Rollback, and make sure that it does
   // not exists after the transaction falls out of scope.
   {
     mozStorageTransaction transaction(db, true);
     (void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
       "CREATE TABLE test (id INTEGER PRIMARY KEY)"
     ));
     (void)transaction.Rollback();
   }
   bool exists = true;
   (void)db->TableExists(NS_LITERAL_CSTRING("test"), &exists);
   do_check_false(exists);
 }
 void
 test_AutoCommit()
 {
   nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
   // Create a table in a transaction, and make sure that it exists after the
   // transaction falls out of scope.  This means the Commit was successful.
   {
     mozStorageTransaction transaction(db, true);
     (void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
       "CREATE TABLE test (id INTEGER PRIMARY KEY)"
     ));
   }
   bool exists = false;
   (void)db->TableExists(NS_LITERAL_CSTRING("test"), &exists);
   do_check_true(exists);
 }
 void
 test_AutoRollback()
 {
   nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
   // Create a table in a transaction, and make sure that it does not exists
   // after the transaction falls out of scope.  This means the Rollback was
   // successful.
   {
     mozStorageTransaction transaction(db, false);
     (void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
       "CREATE TABLE test (id INTEGER PRIMARY KEY)"
     ));
   }
   bool exists = true;
   (void)db->TableExists(NS_LITERAL_CSTRING("test"), &exists);
   do_check_false(exists);
 }
 void
 test_SetDefaultAction()
 {
   nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
   // First we test that rollback happens when we first set it to automatically
   // commit.
   {
     mozStorageTransaction transaction(db, true);
     (void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
       "CREATE TABLE test1 (id INTEGER PRIMARY KEY)"
     ));
     transaction.SetDefaultAction(false);
   }
   bool exists = true;
   (void)db->TableExists(NS_LITERAL_CSTRING("test1"), &exists);
   do_check_false(exists);
   // Now we do the opposite and test that a commit happens when we first set it
   // to automatically rollback.
   {
     mozStorageTransaction transaction(db, false);
     (void)db->ExecuteSimpleSQL(NS_LITERAL_CSTRING(
       "CREATE TABLE test2 (id INTEGER PRIMARY KEY)"
     ));
     transaction.SetDefaultAction(true);
   }
   exists = false;
   (void)db->TableExists(NS_LITERAL_CSTRING("test2"), &exists);
   do_check_true(exists);
 }
 void
 test_null_database_connection()
 {
   // We permit the use of the Transaction helper when passing a null database
   // in, so we need to make sure this still works without crashing.
   mozStorageTransaction transaction(nullptr, false);
   do_check_false(transaction.HasTransaction());
   do_check_true(NS_SUCCEEDED(transaction.Commit()));
   do_check_true(NS_SUCCEEDED(transaction.Rollback()));
 }
 void (*gTests[])(void) = {
   test_HasTransaction,
   test_Commit,
   test_Rollback,
   test_AutoCommit,
   test_AutoRollback,
   test_SetDefaultAction,
   test_null_database_connection,
 };
 const char *file = __FILE__;
 #define TEST_NAME "transaction helper"
 #define TEST_FILE file
 #include "storage_test_harness_tail.h"

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storage/test/test_transaction_helper.cpp@b8a032363ba2 (annotated)

storage/test/test_transaction_helper.cpp