test/mpool_tests.c

Mon, 14 May 2018 17:58:06 +0200

author
Mike Becker <universe@uap-core.de>
date
Mon, 14 May 2018 17:58:06 +0200
branch
constsstr
changeset 307
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parent 270
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permissions
-rw-r--r--

closes constsstr branch

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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2f5dea574a75 modules documentation
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4 * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <inttypes.h>
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30
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31 #include "mpool_tests.h"
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32
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33 UCX_TEST(test_ucx_mempool_new) {
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34 UcxMempool *pool = ucx_mempool_new(16);
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35 UCX_TEST_BEGIN
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36 UCX_TEST_ASSERT(pool->size == 16, "wrong size");
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37 UCX_TEST_ASSERT(pool->ndata == 0, "uninitialized counter");
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38 UCX_TEST_ASSERT(pool->data != NULL, "no memory addressed");
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39 UCX_TEST_END
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40 ucx_mempool_destroy(pool);
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41 }
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42
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43 UCX_TEST(test_ucx_mempool_malloc) {
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44
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45 UcxMempool *pool = ucx_mempool_new(1);
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46 UCX_TEST_BEGIN
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47 intptr_t *test = (intptr_t*) ucx_mempool_malloc(pool, sizeof(intptr_t));
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48
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49 UCX_TEST_ASSERT(pool->ndata == 1, "counter not incremented");
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50 UCX_TEST_ASSERT(pool->size == 1, "chcap called");
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51
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52 intptr_t *pooladdr =
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53 (intptr_t*)((char*)pool->data[0] + sizeof(ucx_destructor));
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54 *pooladdr = 5;
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55
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56 UCX_TEST_ASSERT(*test == 5, "wrong pointer");
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57
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58 UCX_TEST_END
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59 ucx_mempool_destroy(pool);
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60 }
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61
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62 UCX_TEST(test_ucx_mempool_malloc_with_chcap) {
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64 UcxMempool *pool = ucx_mempool_new(1);
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65 UCX_TEST_BEGIN
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66 ucx_mempool_malloc(pool, sizeof(int));
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67 intptr_t *test = (intptr_t*) ucx_mempool_malloc(pool, sizeof(intptr_t));
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68
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69 UCX_TEST_ASSERT(pool->ndata == 2, "counter not incremented");
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70 UCX_TEST_ASSERT(pool->size == 2, "chcap not called");
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72 intptr_t *pooladdr =
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73 (intptr_t*)((char*)pool->data[1] + sizeof(ucx_destructor));
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74 *pooladdr = 5;
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75
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76 UCX_TEST_ASSERT(*test == 5, "wrong pointer");
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77
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78 // overflow test
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79 void *n0 = ucx_mempool_malloc(pool, (size_t)-1);
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80 void *n1 = ucx_mempool_malloc(pool, ((size_t)-1) - sizeof(void*)/2);
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81
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82 UCX_TEST_ASSERT(n0 == NULL, "should not allocate SIZE_MAX bytes");
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83 UCX_TEST_ASSERT(n1 == NULL, "should detect integer overflow");
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84
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85 UCX_TEST_END
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86 ucx_mempool_destroy(pool);
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87 }
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88
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89 UCX_TEST(test_ucx_mempool_calloc) {
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90
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91 UcxMempool *pool = ucx_mempool_new(1);
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92 UCX_TEST_BEGIN
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93
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94 intptr_t *test = (intptr_t*) ucx_mempool_calloc(pool, 2, sizeof(intptr_t));
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95
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96 UCX_TEST_ASSERT(test != NULL, "no memory for test data");
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97 UCX_TEST_ASSERT(test[0] == 0 && test[1] == 0, "failed");
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98
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99 // overflow test
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100 void *n0 = ucx_mempool_calloc(pool, (size_t)-1, 1);
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101 void *n1 = ucx_mempool_calloc(pool, ((size_t)-1)/2, 3);
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102
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103 UCX_TEST_ASSERT(n0 == NULL, "should not allocate SIZE_MAX bytes");
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104 UCX_TEST_ASSERT(n1 == NULL, "should detect integer overflow");
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105
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106 UCX_TEST_END
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107 ucx_mempool_destroy(pool);
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108 }
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109
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110 UCX_TEST(test_ucx_mempool_free) {
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111 UcxMempool *pool = ucx_mempool_new(16);
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112 void *mem1;
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113 void *mem2;
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114
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115 UCX_TEST_BEGIN
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116
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117 mem1 = ucx_mempool_malloc(pool, 16);
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118 ucx_mempool_free(pool, mem1);
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119
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120 UCX_TEST_ASSERT(pool->ndata == 0, "mempool not empty");
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121
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122 ucx_mempool_malloc(pool, 16);
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123 ucx_mempool_malloc(pool, 16);
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124 mem1 = ucx_mempool_malloc(pool, 16);
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125 ucx_mempool_malloc(pool, 16);
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126 mem2 = ucx_mempool_malloc(pool, 16);
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127
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128 ucx_mempool_free(pool, mem1);
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129
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130 UCX_TEST_ASSERT(pool->ndata == 4, "wrong mempool size");
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131
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132 ucx_mempool_free(pool, mem2);
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133
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134 UCX_TEST_ASSERT(pool->ndata == 3, "wrong mempool size");
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135
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136 UCX_TEST_END
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137 ucx_mempool_destroy(pool);
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138 }
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139
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140 #ifdef __cplusplus
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141 extern "C"
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142 #endif
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143 void test_setdestr(void* elem) {
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144 intptr_t *cb = (intptr_t*) ((intptr_t*) elem)[1];
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145 *cb = 42;
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146 }
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147
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148 UCX_TEST(test_ucx_mempool_set_destr) {
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149
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150 intptr_t *cb = (intptr_t*) malloc(sizeof(intptr_t));
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151 UCX_TEST_BEGIN
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152 UcxMempool *pool = ucx_mempool_new(2);
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153
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154 ucx_mempool_malloc(pool, sizeof(intptr_t));
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155 intptr_t *test = (intptr_t*) ucx_mempool_calloc(pool, 2, sizeof(intptr_t));
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156
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157 UCX_TEST_ASSERT(cb != NULL && test != NULL, "no memory for test data");
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158
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159 test[0] = 5; test[1] = (intptr_t) cb;
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160 *cb = 13;
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161
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162 ucx_mempool_set_destr(test, test_setdestr);
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163 UCX_TEST_ASSERT(
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164 *(ucx_destructor*)(pool->data[1]) == test_setdestr, "failed")
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165 UCX_TEST_ASSERT(
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166 test[0] == 5 && test[1] == (intptr_t) cb, "setdestr destroyed data")
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167
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168 ucx_mempool_destroy(pool);
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169
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170 UCX_TEST_ASSERT(*cb == 42, "destructor not called");
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171
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172 UCX_TEST_END
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173 if (cb != NULL) free(cb);
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174 }
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175
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176
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177 UCX_TEST(test_ucx_mempool_reg_destr) {
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178
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179 intptr_t *test = (intptr_t*) calloc(2, sizeof(intptr_t));
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180 intptr_t *cb = (intptr_t*) malloc(sizeof(intptr_t));
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181 UCX_TEST_BEGIN
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182 UcxMempool *pool = ucx_mempool_new(1);
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183
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184 UCX_TEST_ASSERT(cb != NULL && test != NULL, "no memory for test data");
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185
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186 test[0] = 5; test[1] = (intptr_t) cb;
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187 *cb = 13;
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188
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189 ucx_mempool_reg_destr(pool, test, test_setdestr);
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190
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191 ucx_destructor *pooladdr = (ucx_destructor*)
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192 ((char*)pool->data[0] + sizeof(ucx_destructor));
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193
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194 UCX_TEST_ASSERT(*pooladdr == test_setdestr, "failed");
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195
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196 ucx_mempool_destroy(pool);
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197 UCX_TEST_ASSERT(*cb == 42, "destructor not called");
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198 UCX_TEST_END
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199
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200 if (test != NULL) free(test);
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201 if (cb != NULL) free(cb);
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202 }
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203
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204 UCX_TEST(test_ucx_mempool_realloc) {
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205
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206 intptr_t *cb = (intptr_t*) malloc(sizeof(intptr_t));
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207 UCX_TEST_BEGIN
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208 UcxMempool *pool = ucx_mempool_new(2);
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209
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210 ucx_mempool_malloc(pool, sizeof(intptr_t));
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211 intptr_t *test = (intptr_t*) ucx_mempool_calloc(pool, 2, sizeof(intptr_t));
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212
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213 UCX_TEST_ASSERT(cb != NULL && test != NULL, "no memory for test data");
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214
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215 test[0] = 5; test[1] = (intptr_t) cb;
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216 *cb = 13;
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217
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218 ucx_mempool_set_destr(test, test_setdestr);
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219
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220 intptr_t *rtest, n = 2;
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221 do {
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222 n *= 2;
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223 UCX_TEST_ASSERT(n < 65536, "test corrupt - no movement for realloc");
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224 rtest = (intptr_t*) ucx_mempool_realloc(pool, test, n*sizeof(intptr_t));
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225 } while (rtest == test);
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226 test = rtest;
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227
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228 UCX_TEST_ASSERT(*(ucx_destructor*)(pool->data[1]) == test_setdestr,
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229 "realloc killed destructor")
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230 UCX_TEST_ASSERT(
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231 test[0] == 5 && test[1] == (intptr_t) cb, "realloc destroyed data")
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232
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233 ucx_mempool_destroy(pool);
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234
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235 UCX_TEST_ASSERT(*cb == 42, "destructor not called");
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236
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237 UCX_TEST_END
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238 if (cb != NULL) free(cb);
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239 }

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