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annotate tests/unistr/test-u32-to-u16.c @ 16201:8250f2777afc

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maint: update all copyright year number ranges Run "make update-copyright".
author Jim Meyering <meyering@redhat.com>
date Sun, 01 Jan 2012 10:04:58 +0100
parents 97fc9a21a8fb
children e542fd46ad6f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12635
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1 /* Test of u32_to_u16() function.
16201
8250f2777afc maint: update all copyright year number ranges
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2 Copyright (C) 2010-2012 Free Software Foundation, Inc.
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3
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4 This program is free software: you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 3 of the License, or
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7 (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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16
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17 /* Written by Bruno Haible <bruno@clisp.org>, 2010. */
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18
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19 #include <config.h>
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20
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21 #include "unistr.h"
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22
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23 #include <errno.h>
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24
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25 #include "macros.h"
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26
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27 static int
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28 check (const uint32_t *input, size_t input_length,
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29 const uint16_t *expected, size_t expected_length)
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30 {
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31 size_t length;
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32 uint16_t *result;
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33
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34 /* Test return conventions with resultbuf == NULL. */
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35 result = u32_to_u16 (input, input_length, NULL, &length);
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36 if (!(result != NULL))
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37 return 1;
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38 if (!(length == expected_length))
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39 return 2;
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40 if (!(u16_cmp (result, expected, expected_length) == 0))
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41 return 3;
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42 free (result);
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43
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44 /* Test return conventions with resultbuf too small. */
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45 if (expected_length > 0)
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46 {
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47 uint16_t *preallocated;
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48
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49 length = expected_length - 1;
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50 preallocated = (uint16_t *) malloc (length * sizeof (uint16_t));
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51 result = u32_to_u16 (input, input_length, preallocated, &length);
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52 if (!(result != NULL))
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53 return 4;
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54 if (!(result != preallocated))
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55 return 5;
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56 if (!(length == expected_length))
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57 return 6;
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58 if (!(u16_cmp (result, expected, expected_length) == 0))
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59 return 7;
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60 free (result);
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61 free (preallocated);
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62 }
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63
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64 /* Test return conventions with resultbuf large enough. */
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65 {
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66 uint16_t *preallocated;
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67
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68 length = expected_length;
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69 preallocated = (uint16_t *) malloc (length * sizeof (uint16_t));
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70 result = u32_to_u16 (input, input_length, preallocated, &length);
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71 if (!(result != NULL))
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72 return 8;
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73 if (!(preallocated == NULL || result == preallocated))
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74 return 9;
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75 if (!(length == expected_length))
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76 return 10;
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77 if (!(u16_cmp (result, expected, expected_length) == 0))
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78 return 11;
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79 free (preallocated);
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80 }
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81
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82 return 0;
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83 }
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84
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85 int
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86 main ()
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87 {
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88 /* Empty string. */
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89 ASSERT (check (NULL, 0, NULL, 0) == 0);
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90
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91 /* Simple string. */
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92 { /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a) 日本語,中文,한글" */
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93 static const uint32_t input[] =
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94 { 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
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95 0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
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96 0x0439, 0x0442, 0x0435, '!', ' ',
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97 'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
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98 '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
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99 0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
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100 };
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101 static const uint16_t expected[] =
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102 { 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
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103 0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
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104 0x0439, 0x0442, 0x0435, '!', ' ',
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105 'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
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106 '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
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107 0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
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108 };
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109 ASSERT (check (input, SIZEOF (input), expected, SIZEOF (expected)) == 0);
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110 }
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111
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112 /* String with characters outside the BMP. */
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113 {
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114 static const uint32_t input[] =
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115 { '-', '(', 0x1D51E, 0x00D7, 0x1D51F, ')', '=',
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116 0x1D51F, 0x00D7, 0x1D51E
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117 };
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118 static const uint16_t expected[] =
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119 { '-', '(', 0xD835, 0xDD1E, 0x00D7, 0xD835, 0xDD1F, ')', '=',
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120 0xD835, 0xDD1F, 0x00D7, 0xD835, 0xDD1E
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121 };
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122 ASSERT (check (input, SIZEOF (input), expected, SIZEOF (expected)) == 0);
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123 }
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124
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125 /* Invalid input. */
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126 {
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127 static const uint32_t input[] = { 'x', 0x340000, 0x50000000, 'y' };
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128 #if 0 /* Currently invalid input is rejected, not accommodated. */
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129 static const uint16_t expected[] = { 'x', 0xFFFD, 0xFFFD, 'y' };
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130 ASSERT (check (input, SIZEOF (input), expected, SIZEOF (expected)) == 0);
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131 #else
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132 size_t length;
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133 uint16_t *result;
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134 uint16_t preallocated[10];
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135
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136 /* Test return conventions with resultbuf == NULL. */
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137 result = u32_to_u16 (input, SIZEOF (input), NULL, &length);
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138 ASSERT (result == NULL);
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139 ASSERT (errno == EILSEQ);
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140
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141 /* Test return conventions with resultbuf too small. */
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142 length = 1;
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143 result = u32_to_u16 (input, SIZEOF (input), preallocated, &length);
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144 ASSERT (result == NULL);
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145 ASSERT (errno == EILSEQ);
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146
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147 /* Test return conventions with resultbuf large enough. */
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148 length = SIZEOF (preallocated);
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149 result = u32_to_u16 (input, SIZEOF (input), preallocated, &length);
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150 ASSERT (result == NULL);
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151 ASSERT (errno == EILSEQ);
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152 #endif
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153 }
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154
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155 return 0;
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156 }