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/*
* Copyright (c) 2013, 2014 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#include "ovs-atomic.h"
#include "util.h"
#include "ovstest.h"
#define TEST_ATOMIC_TYPE(ATOMIC_TYPE, BASE_TYPE) \
{ \
ATOMIC_TYPE x = ATOMIC_VAR_INIT(1); \
BASE_TYPE value, orig; \
\
atomic_read(&x, &value); \
ovs_assert(value == 1); \
\
atomic_store(&x, 2); \
atomic_read(&x, &value); \
ovs_assert(value == 2); \
\
atomic_init(&x, 3); \
atomic_read(&x, &value); \
ovs_assert(value == 3); \
\
atomic_add(&x, 1, &orig); \
ovs_assert(orig == 3); \
atomic_read(&x, &value); \
ovs_assert(value == 4); \
\
atomic_sub(&x, 2, &orig); \
ovs_assert(orig == 4); \
atomic_read(&x, &value); \
ovs_assert(value == 2); \
\
atomic_or(&x, 6, &orig); \
ovs_assert(orig == 2); \
atomic_read(&x, &value); \
ovs_assert(value == 6); \
\
atomic_and(&x, 10, &orig); \
ovs_assert(orig == 6); \
atomic_read(&x, &value); \
ovs_assert(value == 2); \
\
atomic_xor(&x, 10, &orig); \
ovs_assert(orig == 2); \
atomic_read(&x, &value); \
ovs_assert(value == 8); \
}
static void
test_atomic_flag(void)
{
atomic_flag flag = ATOMIC_FLAG_INIT;
ovs_assert(atomic_flag_test_and_set(&flag) == false);
ovs_assert(atomic_flag_test_and_set(&flag) == true);
atomic_flag_clear(&flag);
ovs_assert(atomic_flag_test_and_set(&flag) == false);
}
static void
test_atomic_main(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
TEST_ATOMIC_TYPE(atomic_char, char);
TEST_ATOMIC_TYPE(atomic_uchar, unsigned char);
TEST_ATOMIC_TYPE(atomic_schar, signed char);
TEST_ATOMIC_TYPE(atomic_short, short);
TEST_ATOMIC_TYPE(atomic_ushort, unsigned short);
TEST_ATOMIC_TYPE(atomic_int, int);
TEST_ATOMIC_TYPE(atomic_uint, unsigned int);
TEST_ATOMIC_TYPE(atomic_long, long int);
TEST_ATOMIC_TYPE(atomic_ulong, unsigned long int);
TEST_ATOMIC_TYPE(atomic_llong, long long int);
TEST_ATOMIC_TYPE(atomic_ullong, unsigned long long int);
TEST_ATOMIC_TYPE(atomic_size_t, size_t);
TEST_ATOMIC_TYPE(atomic_ptrdiff_t, ptrdiff_t);
TEST_ATOMIC_TYPE(atomic_intmax_t, intmax_t);
TEST_ATOMIC_TYPE(atomic_uintmax_t, uintmax_t);
TEST_ATOMIC_TYPE(atomic_intptr_t, intptr_t);
TEST_ATOMIC_TYPE(atomic_uintptr_t, uintptr_t);
TEST_ATOMIC_TYPE(atomic_uint8_t, uint8_t);
TEST_ATOMIC_TYPE(atomic_int8_t, int8_t);
TEST_ATOMIC_TYPE(atomic_uint16_t, uint16_t);
TEST_ATOMIC_TYPE(atomic_int16_t, int16_t);
TEST_ATOMIC_TYPE(atomic_uint32_t, uint32_t);
TEST_ATOMIC_TYPE(atomic_int32_t, int32_t);
test_atomic_flag();
}
OVSTEST_REGISTER("test-atomic", test_atomic_main);
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