test/buffer_tests.c

Wed, 06 Feb 2013 12:55:56 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 06 Feb 2013 12:55:56 +0100
changeset 78
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parent 76
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child 83
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permissions
-rw-r--r--

some fixes

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1 /*
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2 *
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3 */
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4
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5 #include "buffer_tests.h"
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6
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7 UCX_TEST_IMPLEMENT(test_ucx_buffer_seektell) {
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8 UcxBuffer *b = ucx_buffer_new(NULL, 32, UCX_BUFFER_DEFAULT);
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9 b->size = 16; // less than capacity
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10 int r;
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11
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12 UCX_TEST_BEGIN
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14 r = ucx_buffer_seek(b, 5, SEEK_SET);
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15 UCX_TEST_ASSERT(r == 0, "seek SET+5 failed");
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16 UCX_TEST_ASSERT(b->pos == 5, "seek SET+5 set wrong position");
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17
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18 r = ucx_buffer_seek(b, 20, SEEK_SET);
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19 UCX_TEST_ASSERT(r != 0, "seek beyond bounds shall fail");
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20 UCX_TEST_ASSERT(b->pos == 5,
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21 "failed seek shall leave pos unchanged");
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22
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23 r = ucx_buffer_seek(b, 5, SEEK_CUR);
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24 UCX_TEST_ASSERT(r == 0, "seek CUR+5 failed");
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25 UCX_TEST_ASSERT(b->pos == 10, "seek CUR+5 set wrong position");
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26
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27 r = ucx_buffer_seek(b, 10, SEEK_CUR);
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28 UCX_TEST_ASSERT(r != 0, "seek CUR beyond bounds shall fail");
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29 UCX_TEST_ASSERT(b->pos == 10,
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30 "failed seek shall leave pos unchanged");
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31
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32 r = ucx_buffer_seek(b, -5, SEEK_END);
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33 UCX_TEST_ASSERT(r == 0, "seek END-5 failed");
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34 UCX_TEST_ASSERT(b->pos == 11, "seek END-5 set wrong position");
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35
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36 r = ucx_buffer_seek(b, -20, SEEK_END);
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37 UCX_TEST_ASSERT(r != 0, "seek END beyond bounds shall fail");
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38 UCX_TEST_ASSERT(b->pos == 11,
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39 "failed seek shall leave pos unchanged");
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40
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41 UCX_TEST_END
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43 ucx_buffer_free(b);
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44 }
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45
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46 UCX_TEST_IMPLEMENT(test_ucx_buffer_putc) {
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47 char *buffer = (char*) malloc(16);
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48 memset(buffer, 32, 16);
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49
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50 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
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51 b->size = b->capacity;
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52 int r;
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53
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54 UCX_TEST_BEGIN
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55
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56 ucx_buffer_putc(b, '0');
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57 ucx_buffer_putc(b, '0');
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58 ucx_buffer_putc(b, '0');
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59
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60 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after first 3 puts");
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61 ucx_buffer_seek(b, 10, SEEK_CUR);
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62
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63 ucx_buffer_putc(b, '0');
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64 ucx_buffer_putc(b, '0');
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65 ucx_buffer_putc(b, '0');
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66
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67 UCX_TEST_ASSERT(b->pos == 16, "pos wrong after last 3 puts");
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68 UCX_TEST_ASSERT(ucx_buffer_eof(b), "eof not set");
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69 UCX_TEST_ASSERT(ucx_buffer_putc(b, 48) == EOF,
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70 "put shall return EOF when buffer is full");
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71
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72 ucx_buffer_seek(b, 3, SEEK_SET);
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73 ucx_buffer_putc(b, 'a');
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74 ucx_buffer_putc(b, 'b');
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75 ucx_buffer_putc(b, 'c');
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76
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77 UCX_TEST_ASSERT(b->size == 16, "wrong size after seek and puts");
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78 UCX_TEST_ASSERT(memcmp(buffer, "000abc 000", 16) == 0,
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79 "buffer contains incorrect content");
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80
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81 UCX_TEST_END
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82
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83 ucx_buffer_free(b);
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84 free(buffer);
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85 }
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86
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87 UCX_TEST_IMPLEMENT(test_ucx_buffer_putc_ax) {
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88 UcxBuffer *b = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
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89
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90 UCX_TEST_BEGIN
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91
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92 ucx_buffer_putc(b, '0');
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93 ucx_buffer_putc(b, '1');
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94
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95 UCX_TEST_ASSERT(b->pos == 2, "pos wrong after first 2 puts");
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96 UCX_TEST_ASSERT(b->capacity == 2, "buffer erroneously extended");
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97
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98 ucx_buffer_putc(b, 'a');
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99
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100 UCX_TEST_ASSERT(b->pos == 3, "pos wrong after 1 put");
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101 UCX_TEST_ASSERT(b->capacity == 4, "buffer not properly extended");
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102 UCX_TEST_ASSERT(b->size == 3, "wrong buffer size");
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103
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104 UCX_TEST_ASSERT(b->space[2] == 'a', "wrong content");
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105
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106 UCX_TEST_END
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107
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108
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109 }
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110
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111 UCX_TEST_IMPLEMENT(test_ucx_buffer_getc) {
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112 char *buffer = (char*) malloc(16);
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113 memset(buffer, 32, 8);
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114 for (int i = 8; i < 16 ; i++) {
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115 buffer[i] = 40+i;
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116 }
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117
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118 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
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119 b->size = b->capacity;
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120 int r;
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121
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122 UCX_TEST_BEGIN
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123
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124 char rb[16];
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125 for (int i = 0 ; i < 16 ; i++) {
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126 UCX_TEST_ASSERT(b->pos == i, "pos wrong during read loop");
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127 UCX_TEST_ASSERT(!ucx_buffer_eof(b),
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128 "EOF shall not be set during read loop");
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129 rb[i] = ucx_buffer_getc(b);
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130 }
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131 UCX_TEST_ASSERT(b->pos == 16, "pos wrong after read loop");
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132 UCX_TEST_ASSERT(ucx_buffer_eof(b), "EOF not set");
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133 UCX_TEST_ASSERT(memcmp(rb, " 01234567", 16) == 0,
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134 "read data incorrect");
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135
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136 UCX_TEST_END
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137
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138 ucx_buffer_free(b);
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139 free(buffer);
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140 }
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141
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142 UCX_TEST_IMPLEMENT(test_ucx_buffer_write) {
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143 char *buffer = (char*) malloc(16);
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144 memset(buffer, 32, 8);
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145 for (int i = 8; i < 16 ; i++) {
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146 buffer[i] = 40+i;
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147 }
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148
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149 UcxBuffer *b = ucx_buffer_new(buffer, 16, UCX_BUFFER_DEFAULT);
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150 int r;
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151
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152 UCX_TEST_BEGIN
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153
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154 const char* teststring = "this is way too much";
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155 r = ucx_buffer_write((void*)teststring, 1, 20, b);
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156 UCX_TEST_ASSERT(r == 16, "string not correctly trimed");
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157 UCX_TEST_ASSERT(memcmp(buffer, teststring, 16) == 0,
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158 "buffer data incorrect");
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159 UCX_TEST_ASSERT(ucx_buffer_eof(b), "eof shall be set");
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160
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161 ucx_buffer_seek(b, 8, SEEK_SET);
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162 r = ucx_buffer_write((void*)"not", 1, 3, b);
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163 UCX_TEST_ASSERT(r == 3, "three bytes should be replace");
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164 UCX_TEST_ASSERT(memcmp(buffer, "this is not too much", 16) == 0,
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165 "modified buffer is incorrect");
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166
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167 const char* threebytestring = " t h r e e ";
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168 memset(buffer, 49, 16);
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169 ucx_buffer_seek(b, 0, SEEK_SET);
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170 r = ucx_buffer_write((void*)threebytestring, 3, 6, b);
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171 UCX_TEST_ASSERT(r == 5, "three byte string not correctly trimed");
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172 UCX_TEST_ASSERT(b->pos == 15,
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173 "position after write of three byte string incorrect");
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174 UCX_TEST_ASSERT(!ucx_buffer_eof(b), "eof shall not be set");
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175 UCX_TEST_ASSERT(memcmp(buffer, " t h r e e1", 16) == 0,
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176 "bufer is incorrect after three byte string has been written");
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177
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178 UCX_TEST_END
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179
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180 ucx_buffer_free(b);
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181 free(buffer);
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182 }
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183
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184 UCX_TEST_IMPLEMENT(test_ucx_buffer_write_ax) {
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185 char *buffer = (char*) malloc(16);
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186
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187 UcxBuffer *b = ucx_buffer_new(buffer, 16,
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188 UCX_BUFFER_AUTOEXTEND | UCX_BUFFER_AUTOFREE);
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189 int r;
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190
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191 UCX_TEST_BEGIN
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192
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193 const char* teststring = "this is way too much";
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194 r = ucx_buffer_write((void*)teststring, 1, 20, b);
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195 buffer = (char*) b->space; /*autoextend enabled, we MUST retrieve pointer*/
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196 UCX_TEST_ASSERT(r == 20, "not all characters written");
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197 UCX_TEST_ASSERT(b->capacity == 32, "buffer not properly extended");
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198 UCX_TEST_ASSERT(b->pos == 20, "position incorrect");
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199 UCX_TEST_ASSERT(memcmp(buffer,
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200 "this is way too much\0\0\0\0\0\0\0\0\0\0\0\0", 32) == 0,
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201 "incorrect buffer content");
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202
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203 UCX_TEST_END
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204
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205 ucx_buffer_free(b);
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206 }
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207
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208 UCX_TEST_IMPLEMENT(test_ucx_buffer_read) {
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209 UcxBuffer *b = ucx_buffer_new(NULL, 8, UCX_BUFFER_AUTOFREE);
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210
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211 char buf[32];
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212 memset(buf, 'X', 32);
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213 int r;
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214
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215 UCX_TEST_BEGIN
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216
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217 ucx_buffer_write("01234567", 1, 8, b);
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218 UCX_TEST_ASSERT(b->pos == 8, "buffer not correctly filled");
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219 b->pos = 0;
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220
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221 r = ucx_buffer_read(buf, 1, 2, b);
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222 UCX_TEST_ASSERT(r == 2, "wrong number of bytes read");
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223 UCX_TEST_ASSERT(buf[0] == '0' && buf[1] == '1' && buf[2] == 'X',
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224 "buffer incorrect after first read");
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diff changeset
225
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226 r = ucx_buffer_read(buf + 2, 1, 8, b);
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227 UCX_TEST_ASSERT(r == 6, "wrong number of bytes read(2)");
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228 UCX_TEST_ASSERT(memcmp(buf, "01234567XX", 10) == 0,
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229 "buffer incorrect after second read");
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230
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diff changeset
231 memset(buf, 'X', 32);
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diff changeset
232 ucx_buffer_seek(b, 0, SEEK_SET);
76
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233 r = ucx_buffer_read(buf, 3, 3, b);
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234
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235 UCX_TEST_ASSERT(r == 2, "wrong number of blocks read");
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236 UCX_TEST_ASSERT(memcmp(buf, "012345XX", 8) == 0,
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diff changeset
237 "buffer incorrect after three byte read");
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238
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239
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240 UCX_TEST_END
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241
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242
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243 }
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244
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245 UCX_TEST_IMPLEMENT(test_ucx_buffer_extract) {
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246 char *buffer = (char*) malloc(16);
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247 strcpy(buffer, "this is a test!");
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248
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diff changeset
249 UcxBuffer *src = ucx_buffer_new(buffer, 16, UCX_BUFFER_AUTOFREE);
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250 src->size = 15;
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251 UcxBuffer *dst = ucx_buffer_extract(src, 5, 5, UCX_BUFFER_DEFAULT);
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252
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diff changeset
253 UCX_TEST_BEGIN
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diff changeset
254 UCX_TEST_ASSERT(dst != NULL, "ucx_buffer_extract returned NULL");
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diff changeset
255
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256 UCX_TEST_ASSERT((dst->flags & UCX_BUFFER_AUTOFREE) == UCX_BUFFER_AUTOFREE,
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257 "autofree flag shall be enforced");
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258 UCX_TEST_ASSERT(dst->size == 5, "wrong size for new buffer");
62
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diff changeset
259 char rb[5];
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diff changeset
260 ucx_buffer_read(rb, 1, 5, dst);
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261 UCX_TEST_ASSERT(memcmp(rb, "is a ", 5) == 0,
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diff changeset
262 "new buffer has incorrect content");
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diff changeset
263
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264 UCX_TEST_ASSERT(ucx_buffer_extract(dst, 3, 3, UCX_BUFFER_DEFAULT) == NULL,
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diff changeset
265 "extract shall fail on invalid bounds");
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266
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267 UCX_TEST_END
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268
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269 ucx_buffer_free(dst);
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diff changeset
270 ucx_buffer_free(src);
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271 }
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272
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273 UCX_TEST_IMPLEMENT(test_ucx_buffer_generic_copy) {
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274 UcxBuffer *b1 = ucx_buffer_new(NULL, 64, UCX_BUFFER_DEFAULT);
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275 UcxBuffer *b2 = ucx_buffer_new(NULL, 2, UCX_BUFFER_AUTOEXTEND);
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276
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277 UCX_TEST_BEGIN
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278
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279 ucx_buffer_write("01234567", 1, 8, b1);
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280 ucx_buffer_write("abcdefgh", 1, 8, b1);
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281 UCX_TEST_ASSERT(b1->size == 16, "failed to fill buffer b1");
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282 ucx_buffer_seek(b1, 0, SEEK_SET);
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diff changeset
283
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diff changeset
284 size_t ncp = ucx_buffer_copy(b1, b2, ucx_buffer_read, ucx_buffer_write);
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diff changeset
285 UCX_TEST_ASSERT(ncp == 16, "wrong number of copied bytes");
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diff changeset
286 UCX_TEST_ASSERT(b2->size == 16, "b2 has wrong size");
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diff changeset
287 UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,
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288 "b1 and b2 have not the same content");
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289
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290 memset(b2->space, 0, b2->capacity);
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291 b2->pos = 0;
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292 b2->size = 0;
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293 ucx_buffer_seek(b1, 0, SEEK_SET);
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294
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295 FILE *file = tmpfile();
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296 UCX_TEST_ASSERT(file, "test file cannot be opened, test aborted");
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297
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298 ncp = ucx_buffer_copy(b1, file, ucx_buffer_read, fwrite);
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299 UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes to file");
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300
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301 fseek(file, 0, SEEK_SET);
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302
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303 ncp = ucx_buffer_copy(file, b2, fread, ucx_buffer_write);
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304 UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes from file");
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305
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306 UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,
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307 "b1 and b2 content mismatch");
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308
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309 fclose(file);
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310
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311
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312 UCX_TEST_END
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313
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314 ucx_buffer_free(b1);
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315 ucx_buffer_free(b2);
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316 }

mercurial