f152c118cb
Now, given a concept xyz, * the main test file is called test_xyz.cc * the executable is called test_xyz, and * the ctest test is called text_xyz.
112 lines
2.1 KiB
C++
112 lines
2.1 KiB
C++
/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2020-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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#include <maxscale/cdefs.h>
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#include <stdio.h>
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#include <maxscale/atomic.h>
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#include <maxscale/debug.h>
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#include <maxscale/thread.h>
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#define NTHR 10
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static int running = 0;
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static int expected = 0;
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void test_add(void* data)
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{
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int id = (size_t)data;
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while (atomic_load_int32(&running))
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{
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atomic_add(&expected, id);
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atomic_add(&expected, -id);
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ss_dassert(atomic_load_int32(&expected) >= 0);
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}
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}
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void test_load_store(void* data)
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{
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int id = (size_t)data;
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while (atomic_load_int32(&running))
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{
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if (atomic_load_int32(&expected) % NTHR == id)
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{
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ss_dassert(atomic_add(&expected, 1) % NTHR == id + 1);
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}
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}
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}
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static void* cas_dest = (void*)1;
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void test_cas(void* data)
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{
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int id = (size_t)data;
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static int loops = 0;
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while (atomic_load_int32(&running))
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{
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intptr_t my_value = (id + 1) % NTHR;
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intptr_t my_expected = id;
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while (!atomic_cas_ptr(&cas_dest, (void**)&my_expected, (void*)&my_value))
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{
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;
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}
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loops++;
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}
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ss_dassert(loops > 0);
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}
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int run_test(void(*func)(void*))
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{
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THREAD threads[NTHR];
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atomic_store_int32(&expected, 0);
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atomic_store_int32(&running, 1);
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for (size_t i = 0; i < NTHR; i++)
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{
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if (thread_start(&threads[i], func, (void*)(i + 1), 0) == NULL)
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{
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ss_dassert(false);
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}
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}
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thread_millisleep(2500);
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atomic_store_int32(&running, 0);
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for (int i = 0; i < NTHR; i++)
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{
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thread_wait(threads[i]);
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}
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return atomic_load_int32(&expected);
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}
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int main(int argc, char** argv)
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{
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int rval = 0;
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run_test(test_load_store);
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run_test(test_add);
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run_test(test_cas);
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return rval;
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}
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