1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/tests/atomic.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,183 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "prio.h"
1.10 +#include "prprf.h"
1.11 +#include "pratom.h"
1.12 +
1.13 +/*
1.14 + * TODO: create a macro to generate the six lines of code that are repeated
1.15 + * for every test. Also rewrite the statement
1.16 + * result = result | ((EXPRESSION) ? 0 : 1);
1.17 + * as
1.18 + * result |= !(EXPRESSION);
1.19 + */
1.20 +
1.21 +int main(int argc, char **argv)
1.22 +{
1.23 + PRInt32 rv, oldval, test, result = 0;
1.24 + PRFileDesc *output = PR_GetSpecialFD(PR_StandardOutput);
1.25 +
1.26 + /***********************/
1.27 + /* Test the functions. */
1.28 + /***********************/
1.29 +
1.30 + oldval = test = -2;
1.31 + rv = PR_AtomicIncrement(&test);
1.32 + result = result | ((rv == -1) ? 0 : 1);
1.33 + PR_fprintf(
1.34 + output, "PR_AtomicIncrement(%d) == %d: %s\n",
1.35 + oldval, rv, (rv == -1) ? "PASSED" : "FAILED");
1.36 + oldval = test;
1.37 + rv = PR_AtomicIncrement(&test);
1.38 + result = result | ((rv == 0) ? 0 : 1);
1.39 + PR_fprintf(
1.40 + output, "PR_AtomicIncrement(%d) == %d: %s\n",
1.41 + oldval, rv, (rv == 0) ? "PASSED" : "FAILED");
1.42 + oldval = test;
1.43 + rv = PR_AtomicIncrement(&test);
1.44 + result = result | ((rv == 1) ? 0 : 1);
1.45 + PR_fprintf(
1.46 + output, "PR_AtomicIncrement(%d) == %d: %s\n",
1.47 + oldval, rv, (rv == 1) ? "PASSED" : "FAILED");
1.48 +
1.49 + oldval = test = -2;
1.50 + rv = PR_AtomicAdd(&test,1);
1.51 + result = result | ((rv == -1) ? 0 : 1);
1.52 + PR_fprintf(
1.53 + output, "PR_AtomicAdd(%d,%d) == %d: %s\n",
1.54 + oldval, 1, rv, (rv == -1) ? "PASSED" : "FAILED");
1.55 + oldval = test;
1.56 + rv = PR_AtomicAdd(&test, 4);
1.57 + result = result | ((rv == 3) ? 0 : 1);
1.58 + PR_fprintf(
1.59 + output, "PR_AtomicAdd(%d,%d) == %d: %s\n",
1.60 + oldval, 4, rv, (rv == 3) ? "PASSED" : "FAILED");
1.61 + oldval = test;
1.62 + rv = PR_AtomicAdd(&test, -6);
1.63 + result = result | ((rv == -3) ? 0 : 1);
1.64 + PR_fprintf(
1.65 + output, "PR_AtomicAdd(%d,%d) == %d: %s\n",
1.66 + oldval, -6, rv, (rv == -3) ? "PASSED" : "FAILED");
1.67 +
1.68 + oldval = test = 2;
1.69 + rv = PR_AtomicDecrement(&test);
1.70 + result = result | ((rv == 1) ? 0 : 1);
1.71 + PR_fprintf(
1.72 + output, "PR_AtomicDecrement(%d) == %d: %s\n",
1.73 + oldval, rv, (rv == 1) ? "PASSED" : "FAILED");
1.74 + oldval = test;
1.75 + rv = PR_AtomicDecrement(&test);
1.76 + result = result | ((rv == 0) ? 0 : 1);
1.77 + PR_fprintf(
1.78 + output, "PR_AtomicDecrement(%d) == %d: %s\n",
1.79 + oldval, rv, (rv == 0) ? "PASSED" : "FAILED");
1.80 + oldval = test;
1.81 + rv = PR_AtomicDecrement(&test);
1.82 + result = result | ((rv == -1) ? 0 : 1);
1.83 + PR_fprintf(
1.84 + output, "PR_AtomicDecrement(%d) == %d: %s\n",
1.85 + oldval, rv, (rv == -1) ? "PASSED" : "FAILED");
1.86 +
1.87 + /* set to a different value */
1.88 + oldval = test = -2;
1.89 + rv = PR_AtomicSet(&test, 2);
1.90 + result = result | (((rv == -2) && (test == 2)) ? 0 : 1);
1.91 + PR_fprintf(
1.92 + output, "PR_AtomicSet(%d, %d) == %d: %s\n",
1.93 + oldval, 2, rv, ((rv == -2) && (test == 2)) ? "PASSED" : "FAILED");
1.94 +
1.95 + /* set to the same value */
1.96 + oldval = test = -2;
1.97 + rv = PR_AtomicSet(&test, -2);
1.98 + result = result | (((rv == -2) && (test == -2)) ? 0 : 1);
1.99 + PR_fprintf(
1.100 + output, "PR_AtomicSet(%d, %d) == %d: %s\n",
1.101 + oldval, -2, rv, ((rv == -2) && (test == -2)) ? "PASSED" : "FAILED");
1.102 +
1.103 + /***********************/
1.104 + /* Test the macros. */
1.105 + /***********************/
1.106 +
1.107 + oldval = test = -2;
1.108 + rv = PR_ATOMIC_INCREMENT(&test);
1.109 + result = result | ((rv == -1) ? 0 : 1);
1.110 + PR_fprintf(
1.111 + output, "PR_ATOMIC_INCREMENT(%d) == %d: %s\n",
1.112 + oldval, rv, (rv == -1) ? "PASSED" : "FAILED");
1.113 + oldval = test;
1.114 + rv = PR_ATOMIC_INCREMENT(&test);
1.115 + result = result | ((rv == 0) ? 0 : 1);
1.116 + PR_fprintf(
1.117 + output, "PR_ATOMIC_INCREMENT(%d) == %d: %s\n",
1.118 + oldval, rv, (rv == 0) ? "PASSED" : "FAILED");
1.119 + oldval = test;
1.120 + rv = PR_ATOMIC_INCREMENT(&test);
1.121 + result = result | ((rv == 1) ? 0 : 1);
1.122 + PR_fprintf(
1.123 + output, "PR_ATOMIC_INCREMENT(%d) == %d: %s\n",
1.124 + oldval, rv, (rv == 1) ? "PASSED" : "FAILED");
1.125 +
1.126 + oldval = test = -2;
1.127 + rv = PR_ATOMIC_ADD(&test,1);
1.128 + result = result | ((rv == -1) ? 0 : 1);
1.129 + PR_fprintf(
1.130 + output, "PR_ATOMIC_ADD(%d,%d) == %d: %s\n",
1.131 + oldval, 1, rv, (rv == -1) ? "PASSED" : "FAILED");
1.132 + oldval = test;
1.133 + rv = PR_ATOMIC_ADD(&test, 4);
1.134 + result = result | ((rv == 3) ? 0 : 1);
1.135 + PR_fprintf(
1.136 + output, "PR_ATOMIC_ADD(%d,%d) == %d: %s\n",
1.137 + oldval, 4, rv, (rv == 3) ? "PASSED" : "FAILED");
1.138 + oldval = test;
1.139 + rv = PR_ATOMIC_ADD(&test, -6);
1.140 + result = result | ((rv == -3) ? 0 : 1);
1.141 + PR_fprintf(
1.142 + output, "PR_ATOMIC_ADD(%d,%d) == %d: %s\n",
1.143 + oldval, -6, rv, (rv == -3) ? "PASSED" : "FAILED");
1.144 +
1.145 + oldval = test = 2;
1.146 + rv = PR_ATOMIC_DECREMENT(&test);
1.147 + result = result | ((rv == 1) ? 0 : 1);
1.148 + PR_fprintf(
1.149 + output, "PR_ATOMIC_DECREMENT(%d) == %d: %s\n",
1.150 + oldval, rv, (rv == 1) ? "PASSED" : "FAILED");
1.151 + oldval = test;
1.152 + rv = PR_ATOMIC_DECREMENT(&test);
1.153 + result = result | ((rv == 0) ? 0 : 1);
1.154 + PR_fprintf(
1.155 + output, "PR_ATOMIC_DECREMENT(%d) == %d: %s\n",
1.156 + oldval, rv, (rv == 0) ? "PASSED" : "FAILED");
1.157 + oldval = test;
1.158 + rv = PR_ATOMIC_DECREMENT(&test);
1.159 + result = result | ((rv == -1) ? 0 : 1);
1.160 + PR_fprintf(
1.161 + output, "PR_ATOMIC_DECREMENT(%d) == %d: %s\n",
1.162 + oldval, rv, (rv == -1) ? "PASSED" : "FAILED");
1.163 +
1.164 + /* set to a different value */
1.165 + oldval = test = -2;
1.166 + rv = PR_ATOMIC_SET(&test, 2);
1.167 + result = result | (((rv == -2) && (test == 2)) ? 0 : 1);
1.168 + PR_fprintf(
1.169 + output, "PR_ATOMIC_SET(%d, %d) == %d: %s\n",
1.170 + oldval, 2, rv, ((rv == -2) && (test == 2)) ? "PASSED" : "FAILED");
1.171 +
1.172 + /* set to the same value */
1.173 + oldval = test = -2;
1.174 + rv = PR_ATOMIC_SET(&test, -2);
1.175 + result = result | (((rv == -2) && (test == -2)) ? 0 : 1);
1.176 + PR_fprintf(
1.177 + output, "PR_ATOMIC_SET(%d, %d) == %d: %s\n",
1.178 + oldval, -2, rv, ((rv == -2) && (test == -2)) ? "PASSED" : "FAILED");
1.179 +
1.180 + PR_fprintf(
1.181 + output, "Atomic operations test %s\n",
1.182 + (result == 0) ? "PASSED" : "FAILED");
1.183 + return result;
1.184 +} /* main */
1.185 +
1.186 +/* atomic.c */
