1 /**************************************************************************
3 * Copyright 2014 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 /* Force assertions, even on debug builds. */
40 /* Test operations that are supported for all types, including 8 bits types */
41 #define test_atomic_8bits(type, ones) \
42 static void test_atomic_8bits_##type (void) { \
45 p_atomic_set(&v, ones); \
46 assert(v == ones && "p_atomic_set"); \
48 r = p_atomic_read(&v); \
49 assert(r == ones && "p_atomic_read"); \
52 r = p_atomic_cmpxchg(&v, 0, 1); \
53 assert(v == ones && "p_atomic_cmpxchg"); \
54 assert(r == ones && "p_atomic_cmpxchg"); \
55 r = p_atomic_cmpxchg(&v, ones, 0); \
56 assert(v == 0 && "p_atomic_cmpxchg"); \
57 assert(r == ones && "p_atomic_cmpxchg"); \
60 p_atomic_add(&v, 42); \
61 r = p_atomic_read(&v); \
62 assert(r == 65 && "p_atomic_add"); \
68 /* Test operations that are not supported for 8 bits types */
69 #define test_atomic(type, ones) \
70 test_atomic_8bits(type, ones) \
72 static void test_atomic_##type (void) { \
76 test_atomic_8bits_##type(); \
79 b = p_atomic_dec_zero(&v); \
80 assert(v == 1 && "p_atomic_dec_zero"); \
81 assert(b == false && "p_atomic_dec_zero"); \
82 b = p_atomic_dec_zero(&v); \
83 assert(v == 0 && "p_atomic_dec_zero"); \
84 assert(b == true && "p_atomic_dec_zero"); \
85 b = p_atomic_dec_zero(&v); \
86 assert(v == ones && "p_atomic_dec_zero"); \
87 assert(b == false && "p_atomic_dec_zero"); \
91 assert(v == 0 && "p_atomic_inc"); \
94 r = p_atomic_inc_return(&v); \
95 assert(v == 0 && "p_atomic_inc_return"); \
96 assert(r == v && "p_atomic_inc_return"); \
100 assert(v == ones && "p_atomic_dec"); \
103 r = p_atomic_dec_return(&v); \
104 assert(v == ones && "p_atomic_dec_return"); \
105 assert(r == v && "p_atomic_dec_return"); \
113 test_atomic(unsigned, ~0U)
115 test_atomic(int16_t, INT16_C(-1))
116 test_atomic(uint16_t, UINT16_C(0xffff))
117 test_atomic(int32_t, INT32_C(-1))
118 test_atomic(uint32_t, UINT32_C(0xffffffff))
119 test_atomic(int64_t, INT64_C(-1))
120 test_atomic(uint64_t, UINT64_C(0xffffffffffffffff))
122 test_atomic_8bits(int8_t, INT8_C(-1))
123 test_atomic_8bits(uint8_t, UINT8_C(0xff))
124 test_atomic_8bits(bool, true)
130 test_atomic_unsigned();
132 test_atomic_int16_t();
133 test_atomic_uint16_t();
134 test_atomic_int32_t();
135 test_atomic_uint32_t();
136 test_atomic_int64_t();
137 test_atomic_uint64_t();
139 test_atomic_8bits_int8_t();
140 test_atomic_8bits_uint8_t();
141 test_atomic_8bits_bool();