| 1 | /* Test of u8_uctomb() function.
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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 "macros.h"
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| 24 |
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| 25 | #define MAGIC 0xBA
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| 26 |
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| 27 | int
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| 28 | main ()
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| 29 | {
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| 30 | /* Test ISO 646 character, in particular the NUL character. */
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| 31 | {
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| 32 | ucs4_t uc;
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| 33 |
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| 34 | for (uc = 0; uc < 0x80; uc++)
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| 35 | {
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| 36 | uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC };
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| 37 | int ret;
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| 38 |
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| 39 | ret = u8_uctomb (buf, uc, 0);
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| 40 | ASSERT (ret == -2);
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| 41 | ASSERT (buf[0] == MAGIC);
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| 42 |
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| 43 | ret = u8_uctomb (buf, uc, 1);
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| 44 | ASSERT (ret == 1);
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| 45 | ASSERT (buf[0] == uc);
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| 46 | ASSERT (buf[1] == MAGIC);
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| 47 | }
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| 48 | }
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| 49 |
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| 50 | /* Test 2-byte character. */
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| 51 | {
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| 52 | ucs4_t uc = 0x00D7;
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| 53 | uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC };
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| 54 | int ret;
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| 55 |
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| 56 | ret = u8_uctomb (buf, uc, 0);
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| 57 | ASSERT (ret == -2);
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| 58 | ASSERT (buf[0] == MAGIC);
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| 59 |
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| 60 | ret = u8_uctomb (buf, uc, 1);
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| 61 | ASSERT (ret == -2);
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| 62 | ASSERT (buf[0] == MAGIC);
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| 63 |
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| 64 | ret = u8_uctomb (buf, uc, 2);
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| 65 | ASSERT (ret == 2);
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| 66 | ASSERT (buf[0] == 0xC3);
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| 67 | ASSERT (buf[1] == 0x97);
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| 68 | ASSERT (buf[2] == MAGIC);
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| 69 | }
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| 70 |
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| 71 | /* Test 3-byte character. */
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| 72 | {
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| 73 | ucs4_t uc = 0x20AC;
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| 74 | uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC };
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| 75 | int ret;
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| 76 |
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| 77 | ret = u8_uctomb (buf, uc, 0);
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| 78 | ASSERT (ret == -2);
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| 79 | ASSERT (buf[0] == MAGIC);
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| 80 |
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| 81 | ret = u8_uctomb (buf, uc, 1);
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| 82 | ASSERT (ret == -2);
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| 83 | ASSERT (buf[0] == MAGIC);
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| 84 |
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| 85 | ret = u8_uctomb (buf, uc, 2);
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| 86 | ASSERT (ret == -2);
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| 87 | ASSERT (buf[0] == MAGIC);
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| 88 | ASSERT (buf[1] == MAGIC);
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| 89 |
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| 90 | ret = u8_uctomb (buf, uc, 3);
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| 91 | ASSERT (ret == 3);
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| 92 | ASSERT (buf[0] == 0xE2);
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| 93 | ASSERT (buf[1] == 0x82);
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| 94 | ASSERT (buf[2] == 0xAC);
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| 95 | ASSERT (buf[3] == MAGIC);
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| 96 | }
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| 97 |
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| 98 | /* Test 4-byte character. */
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| 99 | {
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| 100 | ucs4_t uc = 0x10FFFD;
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| 101 | uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC };
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| 102 | int ret;
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| 103 |
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| 104 | ret = u8_uctomb (buf, uc, 0);
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| 105 | ASSERT (ret == -2);
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| 106 | ASSERT (buf[0] == MAGIC);
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| 107 |
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| 108 | ret = u8_uctomb (buf, uc, 1);
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| 109 | ASSERT (ret == -2);
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| 110 | ASSERT (buf[0] == MAGIC);
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| 111 |
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| 112 | ret = u8_uctomb (buf, uc, 2);
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| 113 | ASSERT (ret == -2);
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| 114 | ASSERT (buf[0] == MAGIC);
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| 115 | ASSERT (buf[1] == MAGIC);
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| 116 |
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| 117 | ret = u8_uctomb (buf, uc, 3);
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| 118 | ASSERT (ret == -2);
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| 119 | ASSERT (buf[0] == MAGIC);
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| 120 | ASSERT (buf[1] == MAGIC);
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| 121 | ASSERT (buf[2] == MAGIC);
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| 122 |
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| 123 | ret = u8_uctomb (buf, uc, 4);
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| 124 | ASSERT (ret == 4);
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| 125 | ASSERT (buf[0] == 0xF4);
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| 126 | ASSERT (buf[1] == 0x8F);
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| 127 | ASSERT (buf[2] == 0xBF);
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| 128 | ASSERT (buf[3] == 0xBD);
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| 129 | ASSERT (buf[4] == MAGIC);
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| 130 | }
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| 131 |
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| 132 | /* Test invalid characters. */
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| 133 | {
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| 134 | ucs4_t invalid[] = { 0x110000, 0xD800, 0xDBFF, 0xDC00, 0xDFFF };
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| 135 | uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC };
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| 136 | size_t i;
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| 137 |
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| 138 | for (i = 0; i < SIZEOF (invalid); i++)
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| 139 | {
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| 140 | ucs4_t uc = invalid[i];
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| 141 | int n;
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| 142 |
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| 143 | for (n = 0; n <= 4; n++)
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| 144 | {
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| 145 | int ret = u8_uctomb (buf, uc, n);
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| 146 | ASSERT (ret == -1);
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| 147 | ASSERT (buf[0] == MAGIC);
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| 148 | ASSERT (buf[1] == MAGIC);
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| 149 | ASSERT (buf[2] == MAGIC);
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| 150 | ASSERT (buf[3] == MAGIC);
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| 151 | ASSERT (buf[4] == MAGIC);
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| 152 | }
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| 153 | }
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| 154 | }
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| 155 |
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| 156 | return 0;
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| 157 | }
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