1 | /* |
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2 | * COPYRIGHT (c) 2010 Chris Johns <chrisj@rtems.org> |
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3 | * |
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4 | * The license and distribution terms for this file may be |
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5 | * found in the file LICENSE in this distribution or at |
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6 | * http://www.rtems.com/license/LICENSE. |
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7 | * |
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8 | * $Id$ |
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9 | */ |
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10 | /** |
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11 | * @file |
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12 | * |
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13 | * @ingroup rtems-rfs |
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14 | * |
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15 | * RTEMS File Systems Bitmap Unit Test.. |
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16 | * |
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17 | * This is a unit test module for the bit map functions. |
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18 | */ |
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19 | |
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20 | #if HAVE_CONFIG_H |
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21 | #include "config.h" |
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22 | #endif |
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23 | |
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24 | #include <stdio.h> |
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25 | #include <stdlib.h> |
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26 | |
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27 | #include <rtems/rfs/rtems-rfs-bitmaps.h> |
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28 | #include <rtems/rfs/rtems-rfs-file-system.h> |
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29 | |
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30 | #define rtems_rfs_exit_on_error(_rc, _r, _c, _b) \ |
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31 | if ((_rc > 0) || _r) { free (_b); rtems_rfs_bitmap_close (_c); return; } |
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32 | |
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33 | static bool |
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34 | rtems_rfs_bitmap_ut_test_range (rtems_rfs_bitmap_control* control, |
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35 | int test, |
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36 | bool set, |
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37 | rtems_rfs_bitmap_bit bit, |
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38 | size_t size) |
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39 | { |
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40 | unsigned int count; |
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41 | bool result; |
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42 | for (count = 0; count < size; count++) |
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43 | { |
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44 | int rc = rtems_rfs_bitmap_map_test (control, bit + count, &result); |
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45 | if (rc > 0) |
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46 | { |
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47 | printf (" %2d. Test bit %ld in range (%ld,%ld] is %s: ", |
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48 | test, bit + count, bit, bit + size - 1, !set ? "set" : "clear"); |
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49 | printf ("FAIL (%s)\n", strerror (rc)); |
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50 | return false; |
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51 | } |
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52 | if (!set) |
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53 | result = !result; |
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54 | if (!result) |
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55 | { |
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56 | printf (" %2d. Test bit %ld in range (%ld,%ld] is %s: ", |
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57 | test, bit + count, bit, bit + size - 1, !set ? "set" : "clear"); |
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58 | printf (" %s\n", !result ? "pass" : "FAIL"); |
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59 | return false; |
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60 | } |
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61 | } |
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62 | |
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63 | printf (" %2d. Test bit range (%ld,%ld] all %s: pass\n", |
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64 | test, bit, bit + size - 1, set ? "set" : "clear"); |
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65 | |
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66 | return true; |
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67 | } |
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68 | |
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69 | static bool |
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70 | rtems_rfs_bitmap_ut_alloc_seq_test (rtems_rfs_bitmap_control* control, |
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71 | int test, |
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72 | rtems_rfs_bitmap_bit bit, |
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73 | size_t size) |
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74 | { |
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75 | bool state; |
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76 | int i; |
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77 | int rc; |
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78 | |
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79 | printf (" %2d. Set all bits\n", test); |
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80 | rc = rtems_rfs_bitmap_map_set_all (control); |
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81 | if (rc > 0) |
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82 | { |
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83 | printf (" %2d. set all bits: FAIL (%s)\n", test, strerror (rc)); |
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84 | return false; |
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85 | } |
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86 | |
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87 | for (i = 0; i < size; i++) |
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88 | rtems_rfs_bitmap_map_clear (control, bit + i); |
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89 | |
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90 | printf (" %2d. Cleared bits (%ld, %ld] (%zd)\n", |
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91 | test, bit, bit + size - 1, size); |
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92 | |
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93 | for (i = 0; i < rtems_rfs_bitmap_element_bits (); i++) |
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94 | { |
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95 | rc = rtems_rfs_bitmap_map_test (control, bit + i, &state); |
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96 | if (rc > 0) |
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97 | { |
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98 | printf (" %2d. test bit: FAIL (%s)\n", test, strerror (rc)); |
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99 | return false; |
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100 | } |
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101 | if (state) |
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102 | { |
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103 | printf (" %2d. Cleared bit still set: bit = %ld\n", test, bit + i); |
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104 | return false; |
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105 | } |
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106 | } |
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107 | |
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108 | for (i = 0, bit = 0; i < size; i++) |
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109 | { |
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110 | rtems_rfs_bitmap_bit seed = bit; |
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111 | bool result; |
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112 | int rc; |
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113 | rc = rtems_rfs_bitmap_map_alloc (control, seed, &result, &bit); |
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114 | if (rc > 0) |
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115 | { |
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116 | printf (" %2d. map all: FAIL (%s)\n", test, strerror (rc)); |
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117 | return false; |
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118 | } |
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119 | if (!result) |
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120 | { |
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121 | printf (" %2d. Find bit with seed = %ld: %s: bit = %ld\n", |
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122 | test, seed, result ? "pass" : "FAIL", bit); |
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123 | return false; |
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124 | } |
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125 | } |
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126 | |
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127 | printf (" %2d. Alloc'ed all bits (%ld, %ld] (%zd)\n", |
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128 | test, bit, bit + size - 1, size); |
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129 | |
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130 | return true; |
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131 | } |
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132 | |
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133 | static void |
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134 | rtems_rfs_bitmap_ut_test_bitmap (size_t size) |
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135 | { |
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136 | rtems_rfs_file_system fs; |
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137 | rtems_rfs_bitmap_control control; |
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138 | rtems_rfs_buffer_handle handle; |
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139 | rtems_rfs_buffer buffer; |
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140 | rtems_rfs_bitmap_bit bit = 0; |
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141 | rtems_rfs_bitmap_bit first_bit; |
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142 | rtems_rfs_bitmap_bit last_bit; |
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143 | bool result; |
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144 | size_t bytes; |
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145 | size_t clear; |
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146 | int rc; |
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147 | |
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148 | bytes = (rtems_rfs_bitmap_elements (size) * |
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149 | sizeof (rtems_rfs_bitmap_element)); |
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150 | |
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151 | memset (&fs, 0, sizeof (fs)); |
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152 | memset (&buffer, 0, sizeof (buffer)); |
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153 | |
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154 | buffer.buffer = malloc (bytes); |
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155 | buffer.block = 1; |
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156 | |
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157 | if (!buffer.buffer) |
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158 | { |
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159 | printf (" Cannot allocate bitmap memory\n"); |
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160 | return; |
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161 | } |
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162 | |
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163 | #if RTEMS_RFS_BITMAP_CLEAR_ZERO |
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164 | memset (buffer.buffer, 0, bytes); |
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165 | #else |
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166 | memset (buffer.buffer, 0xff, bytes); |
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167 | #endif |
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168 | |
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169 | /* |
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170 | * Do not close the handle so no writes need occur. |
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171 | */ |
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172 | rc = rtems_rfs_buffer_handle_open (&fs, &handle); |
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173 | if (rc > 0) |
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174 | { |
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175 | printf (" Cannot open the handle: %d: %s\n", rc, strerror (rc)); |
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176 | free (buffer.buffer); |
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177 | return; |
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178 | } |
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179 | |
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180 | handle.buffer = &buffer; |
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181 | handle.bnum = 1; |
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182 | |
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183 | printf ("\nRFS Bitmap Test : size = %zd (%zd)\n", |
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184 | size, rtems_rfs_bitmap_elements (size)); |
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185 | rc = rtems_rfs_bitmap_open (&control, &fs, &handle, size, 1); |
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186 | if (rc > 0) |
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187 | { |
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188 | printf (" Cannot open the bitmap: %s\n", strerror (rc)); |
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189 | free (buffer.buffer); |
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190 | return; |
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191 | } |
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192 | |
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193 | /* |
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194 | * This is a new bitmap with no bits set. Try and find a bit with a few |
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195 | * seeds. |
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196 | */ |
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197 | rc = rtems_rfs_bitmap_map_alloc (&control, size * 2, &result, &bit); |
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198 | printf (" 1. Find bit with seed > size: %s (%s)\n", |
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199 | result ? "FAIL" : "pass", strerror (rc)); |
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200 | rtems_rfs_exit_on_error (rc, result, &control, buffer.buffer); |
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201 | |
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202 | rc = rtems_rfs_bitmap_map_alloc (&control, size, &result, &bit); |
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203 | printf (" 2. Find bit with seed = size: %s (%s)\n", |
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204 | result ? "FAIL" : "pass", strerror (rc)); |
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205 | rtems_rfs_exit_on_error (rc, result, &control, buffer.buffer); |
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206 | |
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207 | rc = rtems_rfs_bitmap_map_alloc (&control, 0, &result, &bit); |
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208 | result = result && (bit == 0); |
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209 | printf (" 3. Find bit 0 with seed = 0: %s (%s): bit = %ld\n", |
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210 | result ? "pass" : "FAIL", strerror (rc), bit); |
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211 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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212 | |
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213 | rc = rtems_rfs_bitmap_map_alloc (&control, size - 1, &result, &bit); |
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214 | result = result && (bit == (size - 1)); |
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215 | printf (" 4. Find bit (size - 1) with seed = (size - 1) (%zd): %s (%s): bit = %ld\n", |
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216 | size - 1, result ? "pass" : "FAIL", strerror (rc), bit); |
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217 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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218 | |
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219 | |
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220 | /* |
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221 | * Test the bits allocated to make sure they are set. |
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222 | */ |
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223 | |
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224 | rc = rtems_rfs_bitmap_map_test (&control, 0, &result); |
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225 | printf (" 5. Test bit 0: %s (%s)\n", |
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226 | result ? "pass" : "FAIL", strerror (rc)); |
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227 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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228 | |
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229 | rc = rtems_rfs_bitmap_map_test (&control, size - 1, &result); |
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230 | printf (" 6. Test bit (size - 1) (%zd): %s (%s)\n", |
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231 | size - 1, result ? "pass" : "FAIL", strerror (rc)); |
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232 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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233 | |
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234 | if (!rtems_rfs_bitmap_ut_test_range (&control, 7, false, 1, size - 2)) |
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235 | rtems_rfs_exit_on_error (0, !result, &control, buffer.buffer); |
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236 | |
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237 | /* |
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238 | * Set all bits then clear one and find it. |
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239 | */ |
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240 | rc = rtems_rfs_bitmap_map_set_all (&control); |
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241 | printf (" 8. Set all bits: %s (%s)\n", |
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242 | rc == 0 ? "PASS" : "FAIL", strerror (rc)); |
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243 | rtems_rfs_exit_on_error (rc, false, &control, buffer.buffer); |
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244 | |
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245 | bit = rand () % size; |
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246 | |
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247 | rc = rtems_rfs_bitmap_map_clear (&control, bit); |
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248 | printf (" 9. Clear bit %ld: %s (%s)\n", |
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249 | bit, rc == 0 ? "PASS" : "FAIL", strerror (rc)); |
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250 | rtems_rfs_exit_on_error (rc, false, &control, buffer.buffer); |
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251 | |
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252 | last_bit = bit; |
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253 | rc = rtems_rfs_bitmap_map_alloc (&control, 0, &result, &bit); |
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254 | result = result && (bit == last_bit); |
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255 | printf (" 10. Find bit with seed = 0: %s (%s): bit = %ld\n", |
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256 | result ? "pass" : "FAIL", strerror (rc), bit); |
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257 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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258 | |
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259 | rc = rtems_rfs_bitmap_map_alloc (&control, 0, &result, &bit); |
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260 | result = !result || (bit != last_bit); |
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261 | printf (" 11. Fail to find bit with seed = 0: %s (%s): bit = %ld\n", |
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262 | result ? "pass" : "FAIL", strerror (rc), bit); |
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263 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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264 | |
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265 | rc = rtems_rfs_bitmap_map_clear (&control, 0); |
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266 | printf (" 12. Clear bit 0: %s (%s)\n", |
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267 | rc == 0 ? "pass" : "FAIL", strerror (rc)); |
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268 | rtems_rfs_exit_on_error (rc, false, &control, buffer.buffer); |
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269 | |
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270 | rc = rtems_rfs_bitmap_map_alloc (&control, size - 1, &result, &bit); |
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271 | result = result && (bit == 0); |
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272 | printf (" 13. Find bit with seed = (size - 1): %s (%s): bit = %ld\n", |
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273 | result ? "pass" : "FAIL", strerror (rc), bit); |
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274 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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275 | |
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276 | rc = rtems_rfs_bitmap_map_clear (&control, size - 1); |
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277 | printf (" 14. Clear bit (size - 1) (%zd): %s (%s)\n", |
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278 | size - 1, rc == 0 ? "pass" : "FAIL", strerror (rc)); |
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279 | rtems_rfs_exit_on_error (rc, false, &control, buffer.buffer); |
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280 | |
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281 | rc = rtems_rfs_bitmap_map_alloc (&control, 0, &result, &bit); |
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282 | result = result && (bit == (size - 1)); |
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283 | printf (" 15. Find bit with seed = 0: %s (%s): bit = %ld\n", |
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284 | result ? "pass" : "FAIL", strerror (rc), bit); |
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285 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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286 | |
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287 | rc = rtems_rfs_bitmap_map_clear (&control, 0); |
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288 | printf (" 16. Clear bit 0: %s (%s)\n", |
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289 | rc == 0 ? "pass" : "FAIL", strerror (rc)); |
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290 | |
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291 | rc = rtems_rfs_bitmap_map_alloc (&control, size / 2, &result, &bit); |
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292 | result = result && (bit == 0); |
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293 | printf (" 17. Find bit with seed = (size / 2) (%zd): %s (%s): bit = %ld\n", |
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294 | size / 2, result ? "pass" : "FAIL", strerror (rc), bit); |
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295 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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296 | |
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297 | rc = rtems_rfs_bitmap_map_clear (&control, size - 1); |
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298 | printf (" 18. Clear bit (size - 1) (%zd): %s, (%s)\n", |
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299 | size - 1, rc == 0 ? "pass" : "FAIL", strerror (rc)); |
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300 | rtems_rfs_exit_on_error (rc, false, &control, buffer.buffer); |
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301 | |
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302 | rc = rtems_rfs_bitmap_map_alloc (&control, size / 2, &result, &bit); |
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303 | result = result && (bit == (size - 1)); |
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304 | printf (" 19. Find bit with seed = (size / 2) (%zd): %s (%s): bit = %ld\n", |
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305 | size / 2, result ? "pass" : "FAIL", strerror (rc), bit); |
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306 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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307 | |
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308 | rc = rtems_rfs_bitmap_map_clear (&control, 0); |
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309 | printf (" 20. Clear bit 0: %s (%s)\n", |
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310 | rc == 0 ? "pass" : "FAIL", strerror (rc)); |
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311 | |
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312 | rc = rtems_rfs_bitmap_map_alloc (&control, (size / 2) - 1, &result, &bit); |
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313 | result = result && (bit == 0); |
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314 | printf (" 21. Find bit with seed = ((size / 2) - 1) (%zd): %s (%s): bit = %ld\n", |
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315 | (size / 2) - 1, result ? "pass" : "FAIL", strerror (rc), bit); |
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316 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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317 | |
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318 | rc = rtems_rfs_bitmap_map_clear (&control, size - 1); |
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319 | printf (" 22. Clear bit (size - 1) (%zd): %s (%s)\n", |
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320 | size - 1, rc == 0 ? "pass" : "FAIL", strerror (rc)); |
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321 | |
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322 | rc = rtems_rfs_bitmap_map_alloc (&control, (size / 2) - 1, &result, &bit); |
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323 | result = result && (bit == (size - 1)); |
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324 | printf (" 23. Find bit with seed = ((size / 2) - 1) (%zd): %s (%s): bit = %ld\n", |
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325 | (size / 2) - 1, result ? "pass" : "FAIL", strerror (rc), bit); |
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326 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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327 | |
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328 | bit = rand () % (size / 2) + rtems_rfs_bitmap_element_bits (); |
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329 | result = rtems_rfs_bitmap_ut_alloc_seq_test (&control, 23, bit, |
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330 | rtems_rfs_bitmap_element_bits ()); |
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331 | rtems_rfs_exit_on_error (0, !result, &control, buffer.buffer); |
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332 | |
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333 | bit = rand () % (size / 2) + rtems_rfs_bitmap_element_bits (); |
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334 | result = rtems_rfs_bitmap_ut_alloc_seq_test (&control, 24, bit, 57); |
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335 | rtems_rfs_exit_on_error (0, !result, &control, buffer.buffer); |
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336 | |
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337 | /* |
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338 | * Set all bits, clear a random numberone then create a search map and make |
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339 | * sure the clear count is correct. |
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340 | */ |
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341 | rc = rtems_rfs_bitmap_map_set_all (&control); |
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342 | printf (" 25. Set all bits: %s (%s)\n", |
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343 | rc == 0 ? "PASS" : "FAIL", strerror (rc)); |
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344 | rtems_rfs_exit_on_error (rc, false, &control, buffer.buffer); |
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345 | |
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346 | first_bit = rand () % (size / 2) + rtems_rfs_bitmap_element_bits (); |
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347 | last_bit = first_bit + rand () % (size / 2) + rtems_rfs_bitmap_element_bits (); |
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348 | |
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349 | for (bit = first_bit; bit < last_bit; bit++) |
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350 | { |
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351 | rc = rtems_rfs_bitmap_map_clear (&control, bit); |
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352 | if (rc > 0) |
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353 | { |
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354 | printf (" 26. Clear bit %ld: %s (%s)\n", |
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355 | bit, rc == 0 ? "PASS" : "FAIL", strerror (rc)); |
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356 | rtems_rfs_exit_on_error (rc, false, &control, buffer.buffer); |
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357 | } |
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358 | } |
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359 | |
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360 | printf (" 26. Clear bit (%ld, %ld]: %s (%s)\n", |
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361 | first_bit, last_bit, rc == 0 ? "PASS" : "FAIL", strerror (rc)); |
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362 | |
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363 | clear = rtems_rfs_bitmap_map_free (&control); |
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364 | result = clear == (last_bit - first_bit); |
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365 | printf (" 27. Check free count is %zd: %ld: %s (%s)\n", |
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366 | clear, last_bit - first_bit, |
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367 | result ? "pass" : "FAIL", strerror (rc)); |
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368 | |
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369 | rc = rtems_rfs_bitmap_create_search (&control); |
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370 | result = clear == rtems_rfs_bitmap_map_free (&control); |
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371 | printf (" 28. Create search check free count is %zd: %zd: %s (%s)\n", |
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372 | clear, rtems_rfs_bitmap_map_free (&control), |
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373 | result ? "pass" : "FAIL", strerror (rc)); |
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374 | rtems_rfs_exit_on_error (rc, !result, &control, buffer.buffer); |
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375 | |
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376 | rtems_rfs_bitmap_close (&control); |
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377 | free (buffer.buffer); |
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378 | } |
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379 | |
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380 | void |
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381 | rtems_rfs_bitmap_unit_test (void) |
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382 | { |
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383 | printf ("RTEMS File System Bitmap Unit Test\n"); |
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384 | printf (" Bit set value : %d\n", RTEMS_RFS_BITMAP_BIT_SET); |
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385 | printf (" Bit clear value : %d\n", RTEMS_RFS_BITMAP_BIT_CLEAR); |
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386 | printf (" Num bit per element : %zd\n", rtems_rfs_bitmap_element_bits ()); |
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387 | |
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388 | srand (0x23984237); |
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389 | |
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390 | rtems_rfs_bitmap_ut_test_bitmap (2048); |
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391 | rtems_rfs_bitmap_ut_test_bitmap (420); |
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392 | } |
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393 | |
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