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1 //================================================================= |
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2 // |
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3 // memcmp1.c |
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4 // |
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5 // Testcase for C library memcmp() |
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6 // |
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7 //================================================================= |
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8 //####COPYRIGHTBEGIN#### |
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9 // |
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10 // ------------------------------------------- |
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11 // The contents of this file are subject to the Cygnus eCos Public License |
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12 // Version 1.0 (the "License"); you may not use this file except in |
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13 // compliance with the License. You may obtain a copy of the License at |
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14 // http://sourceware.cygnus.com/ecos |
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15 // |
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16 // Software distributed under the License is distributed on an "AS IS" |
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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18 // License for the specific language governing rights and limitations under |
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19 // the License. |
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20 // |
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21 // The Original Code is eCos - Embedded Cygnus Operating System, released |
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22 // September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Cygnus. Portions created |
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25 // by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. |
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26 // ------------------------------------------- |
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27 // |
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28 //####COPYRIGHTEND#### |
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29 //================================================================= |
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30 //#####DESCRIPTIONBEGIN#### |
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31 // |
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32 // Author(s): ctarpy@cygnus.co.uk, jlarmour@cygnus.co.uk |
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33 // Contributors: jlarmour@cygnus.co.uk |
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34 // Date: 1998/6/3 |
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35 // Description: Contains testcode for C library memcmp() function |
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36 // |
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37 // |
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38 //####DESCRIPTIONEND#### |
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39 |
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40 // Declarations for test system: |
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41 // |
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42 // TESTCASE_TYPE=CYG_TEST_MODULE |
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43 // COMPOUND_TESTCASE |
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44 |
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45 |
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46 // CONFIGURATION |
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47 |
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48 #include <pkgconf/libc.h> // Configuration header |
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49 |
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50 // INCLUDES |
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51 |
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52 #include <string.h> |
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53 #include <cyg/infra/testcase.h> |
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54 #include <sys/cstartup.h> // C library initialisation |
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55 |
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56 |
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57 // FUNCTIONS |
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58 |
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59 |
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60 externC void |
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61 cyg_package_start( void ) |
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62 { |
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63 #ifdef CYGPKG_LIBC |
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64 cyg_iso_c_start(); |
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65 #else |
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66 (void)main(0, NULL); |
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67 #endif |
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68 } // cyg_package_start() |
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69 |
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70 |
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71 |
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72 // Functions to avoid having to use libc strings |
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73 |
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74 #ifdef CYGPKG_LIBC |
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75 static int my_strlen(const char *s) |
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76 { |
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77 const char *ptr; |
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78 |
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79 ptr = s; |
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80 for ( ptr=s ; *ptr != '\0' ; ptr++ ) |
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81 ; |
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82 |
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83 return (int)(ptr-s); |
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84 } // my_strlen() |
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85 |
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86 |
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87 static char *my_strcpy(char *s1, const char *s2) |
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88 { |
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89 while (*s2 != '\0') { |
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90 *(s1++) = *(s2++); |
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91 } |
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92 *s1 = '\0'; |
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93 |
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94 return s1; |
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95 } // my_strcpy() |
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96 #endif // ifdef CYGPKG_LIBC |
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97 |
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98 int main( int argc, char *argv[] ) |
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99 { |
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100 #ifdef CYGPKG_LIBC |
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101 char x[300]; |
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102 char y[300]; |
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103 #endif |
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104 |
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105 CYG_TEST_INIT(); |
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106 |
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107 CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library " |
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108 "memcmp() function"); |
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109 CYG_TEST_INFO("This testcase provides simple basic tests"); |
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110 |
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111 #ifdef CYGPKG_LIBC |
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112 |
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113 // Check 1 |
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114 my_strcpy(x, "I have become, comfortably numb"); |
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115 my_strcpy(y, "I have become, comfortably numb"); |
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116 CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) == 0), "Simple compare"); |
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117 |
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118 |
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119 // Check 2 |
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120 my_strcpy(x, ""); |
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121 my_strcpy(y, ""); |
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122 CYG_TEST_PASS_FAIL( (memcmp(x, y, 0) == 0), "Simple empty string compare"); |
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123 |
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124 |
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125 // Check 3 |
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126 my_strcpy(x, "..shall snuff it. And the Lord did grin"); |
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127 my_strcpy(y, "..shall snuff it. And the Lord did grio"); |
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128 CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) < 0), |
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129 "Memory less than #1" ); |
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130 |
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131 |
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132 // Check 4 |
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133 my_strcpy(x, "A reading from the Book of Armaments, Chapter 4, " |
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134 "Verses 16 to 20:"); |
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135 my_strcpy(y, "Bless this, O Lord, that with it thou mayst blow thine " |
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136 "enemies to tiny bits, in thy mercy."); |
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137 CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) < 0), |
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138 "Memory less than #2"); |
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139 |
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140 // Check 5 |
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141 my_strcpy(x, "Lobeth this thy holy hand grenade at thy foe"); |
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142 my_strcpy(y, "Lobeth this thy holy hand grenade at thy fod"); |
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143 CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) > 0), |
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144 "Memory greater than #1" ); |
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145 |
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146 |
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147 // Check 6 |
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148 my_strcpy(y, "Three shall be the number of the counting and the"); |
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149 my_strcpy(x, "number of the counting shall be three"); |
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150 CYG_TEST_PASS_FAIL( (memcmp(x, y, my_strlen(x)) > 0), |
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151 "Memory greater than #2" ); |
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152 |
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153 #else // ifndef CYGPKG_LIBC |
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154 CYG_TEST_PASS("Testing is not applicable to this configuration"); |
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155 #endif // ifndef CYGPKG_LIBC |
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156 |
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157 CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library " |
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158 "memcmp() function"); |
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159 } // main() |
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160 |
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161 |
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162 |
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163 // EOF memcmp1.c |
