gecko/storage/test/test_true_async.cpp
2014-09-10 13:08:07 +02:00

187 lines
5.9 KiB
C++

/* -*- 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"
////////////////////////////////////////////////////////////////////////////////
//// Tests
void
test_TrueAsyncStatement()
{
// (only the first test needs to call this)
hook_sqlite_mutex();
nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
// Start watching for forbidden mutex usage.
watch_for_mutex_use_on_this_thread();
// - statement with nothing to bind
nsCOMPtr<mozIStorageAsyncStatement> stmt;
db->CreateAsyncStatement(
NS_LITERAL_CSTRING("CREATE TABLE test (id INTEGER PRIMARY KEY)"),
getter_AddRefs(stmt)
);
blocking_async_execute(stmt);
stmt->Finalize();
do_check_false(mutex_used_on_watched_thread);
// - statement with something to bind ordinally
db->CreateAsyncStatement(
NS_LITERAL_CSTRING("INSERT INTO test (id) VALUES (?)"),
getter_AddRefs(stmt)
);
stmt->BindInt32ByIndex(0, 1);
blocking_async_execute(stmt);
stmt->Finalize();
do_check_false(mutex_used_on_watched_thread);
// - statement with something to bind by name
db->CreateAsyncStatement(
NS_LITERAL_CSTRING("INSERT INTO test (id) VALUES (:id)"),
getter_AddRefs(stmt)
);
nsCOMPtr<mozIStorageBindingParamsArray> paramsArray;
stmt->NewBindingParamsArray(getter_AddRefs(paramsArray));
nsCOMPtr<mozIStorageBindingParams> params;
paramsArray->NewBindingParams(getter_AddRefs(params));
params->BindInt32ByName(NS_LITERAL_CSTRING("id"), 2);
paramsArray->AddParams(params);
params = nullptr;
stmt->BindParameters(paramsArray);
paramsArray = nullptr;
blocking_async_execute(stmt);
stmt->Finalize();
do_check_false(mutex_used_on_watched_thread);
// - now, make sure creating a sync statement does trigger our guard.
// (If this doesn't happen, our test is bunk and it's important to know that.)
nsCOMPtr<mozIStorageStatement> syncStmt;
db->CreateStatement(NS_LITERAL_CSTRING("SELECT * FROM test"),
getter_AddRefs(syncStmt));
syncStmt->Finalize();
do_check_true(mutex_used_on_watched_thread);
blocking_async_close(db);
}
/**
* Test that cancellation before a statement is run successfully stops the
* statement from executing.
*/
void
test_AsyncCancellation()
{
nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
// -- wedge the thread
nsCOMPtr<nsIThread> target(get_conn_async_thread(db));
do_check_true(target);
nsRefPtr<ThreadWedger> wedger (new ThreadWedger(target));
// -- create statements and cancel them
// - async
nsCOMPtr<mozIStorageAsyncStatement> asyncStmt;
db->CreateAsyncStatement(
NS_LITERAL_CSTRING("CREATE TABLE asyncTable (id INTEGER PRIMARY KEY)"),
getter_AddRefs(asyncStmt)
);
nsRefPtr<AsyncStatementSpinner> asyncSpin(new AsyncStatementSpinner());
nsCOMPtr<mozIStoragePendingStatement> asyncPend;
(void)asyncStmt->ExecuteAsync(asyncSpin, getter_AddRefs(asyncPend));
do_check_true(asyncPend);
asyncPend->Cancel();
// - sync
nsCOMPtr<mozIStorageStatement> syncStmt;
db->CreateStatement(
NS_LITERAL_CSTRING("CREATE TABLE syncTable (id INTEGER PRIMARY KEY)"),
getter_AddRefs(syncStmt)
);
nsRefPtr<AsyncStatementSpinner> syncSpin(new AsyncStatementSpinner());
nsCOMPtr<mozIStoragePendingStatement> syncPend;
(void)syncStmt->ExecuteAsync(syncSpin, getter_AddRefs(syncPend));
do_check_true(syncPend);
syncPend->Cancel();
// -- unwedge the async thread
wedger->unwedge();
// -- verify that both statements report they were canceled
asyncSpin->SpinUntilCompleted();
do_check_true(asyncSpin->completionReason ==
mozIStorageStatementCallback::REASON_CANCELED);
syncSpin->SpinUntilCompleted();
do_check_true(syncSpin->completionReason ==
mozIStorageStatementCallback::REASON_CANCELED);
// -- verify that neither statement constructed their tables
nsresult rv;
bool exists;
rv = db->TableExists(NS_LITERAL_CSTRING("asyncTable"), &exists);
do_check_true(rv == NS_OK);
do_check_false(exists);
rv = db->TableExists(NS_LITERAL_CSTRING("syncTable"), &exists);
do_check_true(rv == NS_OK);
do_check_false(exists);
// -- cleanup
asyncStmt->Finalize();
syncStmt->Finalize();
blocking_async_close(db);
}
/**
* Test that the destructor for an asynchronous statement which has a
* sqlite3_stmt will dispatch that statement to the async thread for
* finalization rather than trying to finalize it on the main thread
* (and thereby running afoul of our mutex use detector).
*/
void test_AsyncDestructorFinalizesOnAsyncThread()
{
// test_TrueAsyncStatement called hook_sqlite_mutex() for us
nsCOMPtr<mozIStorageConnection> db(getMemoryDatabase());
watch_for_mutex_use_on_this_thread();
// -- create an async statement
nsCOMPtr<mozIStorageAsyncStatement> stmt;
db->CreateAsyncStatement(
NS_LITERAL_CSTRING("CREATE TABLE test (id INTEGER PRIMARY KEY)"),
getter_AddRefs(stmt)
);
// -- execute it so it gets a sqlite3_stmt that needs to be finalized
blocking_async_execute(stmt);
do_check_false(mutex_used_on_watched_thread);
// -- forget our reference
stmt = nullptr;
// -- verify the mutex was not touched
do_check_false(mutex_used_on_watched_thread);
// -- make sure the statement actually gets finalized / cleanup
// the close will assert if we failed to finalize!
blocking_async_close(db);
}
void (*gTests[])(void) = {
// this test must be first because it hooks the mutex mechanics
test_TrueAsyncStatement,
test_AsyncCancellation,
test_AsyncDestructorFinalizesOnAsyncThread
};
const char *file = __FILE__;
#define TEST_NAME "true async statement"
#define TEST_FILE file
#include "storage_test_harness_tail.h"