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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
* connectionpool.cc
*
* Wed Dec 16 12:20:44 CET 2009
* Copyright 2009 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of Pracro.
*
* Pracro is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Pracro is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Pracro; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "connectionpool.h"
//
// Implementation is in the header file.
//
#ifdef TEST_CONNECTIONPOOL
//deps: mutex.cc semaphore.cc
//cflags: -I.. $(PTHREAD_CFLAGS)
//libs: $(PTHREAD_LIBS)
#include <test.h>
#include <unistd.h>
#include <pthread.h>
static void* thread_run(void *data)
{
ConnectionPool<int> *pool = (ConnectionPool<int>*)data;
int db1 = pool->borrow();
int db2 = pool->borrow();
int db3 = pool->borrow();
int db4 = pool->borrow();
usleep(100);
pool->giveBack(db1);
pool->giveBack(db2);
pool->giveBack(db3);
pool->giveBack(db4);
return NULL;
}
static void* thread_run_clear_test(void *data)
{
ConnectionPool<int> *pool = (ConnectionPool<int>*)data;
pool->giveBack(1);
pool->giveBack(2);
sleep(1);
pool->giveBack(3);
pool->giveBack(4);
return NULL;
}
TEST_BEGIN;
ConnectionPool<int> pool;
int db1 = 1;
int db2 = 2;
int db3 = 3;
int db4 = 4;
pool.add(db1);
pool.add(db2);
pool.add(db3);
pool.add(db4);
TEST_TRUE(pool.testFree(db1), "Testing if db1 is free.");
TEST_TRUE(pool.testFree(db2), "Testing if db2 is free.");
TEST_TRUE(pool.testFree(db3), "Testing if db3 is free.");
TEST_TRUE(pool.testFree(db4), "Testing if db4 is free.");
TEST_EQUAL(pool.numFree(), 4, "Testing number of free databases.");
int b_db1 = pool.borrow();
TEST_FALSE(pool.testFree(b_db1), "Testing if borrowed db is free.");
int b_db2 = pool.borrow();
TEST_NOTEQUAL(b_db1, b_db2, "Testing if borrowed db is unique.");
pool.giveBack(b_db1);
TEST_TRUE(pool.testFree(b_db1), "Testing if returned db is free.");
pool.giveBack(b_db2);
TEST_EQUAL(pool.numFree(), 4, "Testing number of free databases.");
{
pthread_attr_t attr;
pthread_t tid;
pthread_attr_init(&attr);
pthread_create(&tid, &attr, thread_run, &pool);
while(pool.numFree() > 0) { usleep(10); }
int b_db3 = pool.borrow();
TEST_FALSE(pool.testFree(b_db3), "Testing if returned db is free (semaphore test).");
pool.giveBack(db3);
pthread_join(tid, NULL);
pthread_attr_destroy(&attr);
}
TEST_EQUAL(pool.numFree(), 4, "Testing if all database are now available again");
{
TEST_EQUAL(pool.numFree(), 4, "Testing if autoborrower has not yet borrowed a db.");
AutoBorrower<int> b(pool);
TEST_EQUAL(pool.numFree(), 3, "Testing if autoborrower has borrowed a db.");
TEST_FALSE(pool.testFree(b.get()), "Testing if the autoborrowed db is actually taken.");
}
TEST_EQUAL(pool.numFree(), 4, "Testing if autoborrower has returned the db.");
// Force remove all elements.
pool.borrow();
pool.clear(true);
TEST_EQUAL(pool.numFree(), 0, "Testing number of free databases.");
// Add them again.
pool.add(db1);
pool.add(db2);
pool.add(db3);
pool.add(db4);
TEST_EQUAL(pool.numFree(), 4, "Testing number of free databases.");
pool.borrow();
pool.borrow();
pool.borrow();
pool.borrow();
{
pthread_attr_t attr;
pthread_t tid;
pthread_attr_init(&attr);
pthread_create(&tid, &attr, thread_run_clear_test, &pool);
pool.clear(false);
pthread_join(tid, NULL);
pthread_attr_destroy(&attr);
}
TEST_END;
#endif/*TEST_CONNECTIONPOOL*/
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