| /************************************************************************** |
| * |
| * Copyright 2014 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| |
| /* Force assertions, even on release builds. */ |
| #undef NDEBUG |
| |
| |
| #include <stdint.h> |
| #include <inttypes.h> |
| #include <assert.h> |
| |
| #include "u_atomic.h" |
| |
| #ifdef _MSC_VER |
| #pragma warning( disable : 28112 ) /* Accessing a local variable via an Interlocked function */ |
| #pragma warning( disable : 28113 ) /* A variable which is accessed via an Interlocked function must always be accessed via an Interlocked function */ |
| #endif |
| |
| |
| /* Test only assignment-like operations, which are supported on all types */ |
| #define test_atomic_assign(type, ones) \ |
| static void test_atomic_assign_##type (void) { \ |
| type v, r; \ |
| \ |
| p_atomic_set(&v, ones); \ |
| assert(v == ones && "p_atomic_set"); \ |
| \ |
| r = p_atomic_read(&v); \ |
| assert(r == ones && "p_atomic_read"); \ |
| \ |
| v = ones; \ |
| r = p_atomic_cmpxchg(&v, 0, 1); \ |
| assert(v == ones && "p_atomic_cmpxchg"); \ |
| assert(r == ones && "p_atomic_cmpxchg"); \ |
| r = p_atomic_cmpxchg(&v, ones, 0); \ |
| assert(v == 0 && "p_atomic_cmpxchg"); \ |
| assert(r == ones && "p_atomic_cmpxchg"); \ |
| \ |
| (void) r; \ |
| } |
| |
| |
| /* Test arithmetic operations that are supported on 8 bits integer types */ |
| #define test_atomic_8bits(type, ones) \ |
| test_atomic_assign(type, ones) \ |
| \ |
| static void test_atomic_8bits_##type (void) { \ |
| type v, r; \ |
| \ |
| test_atomic_assign_##type(); \ |
| \ |
| v = 23; \ |
| p_atomic_add(&v, 42); \ |
| r = p_atomic_read(&v); \ |
| assert(r == 65 && "p_atomic_add"); \ |
| \ |
| (void) r; \ |
| } |
| |
| |
| /* Test all operations */ |
| #define test_atomic(type, ones) \ |
| test_atomic_8bits(type, ones) \ |
| \ |
| static void test_atomic_##type (void) { \ |
| type v, r; \ |
| bool b; \ |
| \ |
| test_atomic_8bits_##type(); \ |
| \ |
| v = 2; \ |
| b = p_atomic_dec_zero(&v); \ |
| assert(v == 1 && "p_atomic_dec_zero"); \ |
| assert(b == false && "p_atomic_dec_zero"); \ |
| b = p_atomic_dec_zero(&v); \ |
| assert(v == 0 && "p_atomic_dec_zero"); \ |
| assert(b == true && "p_atomic_dec_zero"); \ |
| b = p_atomic_dec_zero(&v); \ |
| assert(v == ones && "p_atomic_dec_zero"); \ |
| assert(b == false && "p_atomic_dec_zero"); \ |
| \ |
| v = ones; \ |
| p_atomic_inc(&v); \ |
| assert(v == 0 && "p_atomic_inc"); \ |
| \ |
| v = ones; \ |
| r = p_atomic_inc_return(&v); \ |
| assert(v == 0 && "p_atomic_inc_return"); \ |
| assert(r == v && "p_atomic_inc_return"); \ |
| \ |
| v = 0; \ |
| p_atomic_dec(&v); \ |
| assert(v == ones && "p_atomic_dec"); \ |
| \ |
| v = 0; \ |
| r = p_atomic_dec_return(&v); \ |
| assert(v == ones && "p_atomic_dec_return"); \ |
| assert(r == v && "p_atomic_dec_return"); \ |
| \ |
| (void) r; \ |
| (void) b; \ |
| } |
| |
| |
| test_atomic(int, -1) |
| test_atomic(unsigned, ~0U) |
| |
| test_atomic(int16_t, INT16_C(-1)) |
| test_atomic(uint16_t, UINT16_C(0xffff)) |
| test_atomic(int32_t, INT32_C(-1)) |
| test_atomic(uint32_t, UINT32_C(0xffffffff)) |
| test_atomic(int64_t, INT64_C(-1)) |
| test_atomic(uint64_t, UINT64_C(0xffffffffffffffff)) |
| |
| test_atomic_8bits(int8_t, INT8_C(-1)) |
| test_atomic_8bits(uint8_t, UINT8_C(0xff)) |
| test_atomic_assign(bool, true) |
| |
| int |
| main() |
| { |
| test_atomic_int(); |
| test_atomic_unsigned(); |
| |
| test_atomic_int16_t(); |
| test_atomic_uint16_t(); |
| test_atomic_int32_t(); |
| test_atomic_uint32_t(); |
| test_atomic_int64_t(); |
| test_atomic_uint64_t(); |
| |
| test_atomic_8bits_int8_t(); |
| test_atomic_8bits_uint8_t(); |
| test_atomic_assign_bool(); |
| |
| return 0; |
| } |