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maint: Run 'make update-copyright'
author Paul Eggert <eggert@cs.ucla.edu>
date Tue, 01 Jan 2019 00:25:11 +0100
parents 10eb9086bea0
children
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a040345566ab Tests for module 'unistr/u16-next'.
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1 /* Test of u16_next() function.
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b06060465f09 maint: Run 'make update-copyright'
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2 Copyright (C) 2010-2019 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 <https://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 int
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26 main ()
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27 {
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28 ucs4_t uc;
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29 const uint16_t *ret;
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30
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31 /* Test NUL unit input. */
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32 {
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33 static const uint16_t input[] = { 0 };
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34 uc = 0xBADFACE;
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35 ret = u16_next (&uc, input);
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36 ASSERT (ret == NULL);
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37 ASSERT (uc == 0);
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38 }
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39
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40 /* Test ISO 646 unit input. */
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41 {
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42 ucs4_t c;
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43 uint16_t buf[2];
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44
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45 for (c = 1; c < 0x80; c++)
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46 {
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47 buf[0] = c;
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48 buf[1] = 0;
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49 uc = 0xBADFACE;
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50 ret = u16_next (&uc, buf);
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51 ASSERT (ret == buf + 1);
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52 ASSERT (uc == c);
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53 }
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54 }
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55
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56 /* Test BMP unit input. */
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57 {
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58 static const uint16_t input[] = { 0x20AC, 0 };
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59 uc = 0xBADFACE;
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60 ret = u16_next (&uc, input);
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61 ASSERT (ret == input + 1);
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62 ASSERT (uc == 0x20AC);
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63 }
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64
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65 /* Test 2-units character input. */
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66 {
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67 static const uint16_t input[] = { 0xD835, 0xDD1F, 0 };
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68 uc = 0xBADFACE;
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69 ret = u16_next (&uc, input);
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70 ASSERT (ret == input + 2);
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71 ASSERT (uc == 0x1D51F);
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72 }
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73
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74 /* Test incomplete/invalid 1-unit input. */
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75 {
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76 static const uint16_t input[] = { 0xD835, 0 };
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77 uc = 0xBADFACE;
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78 ret = u16_next (&uc, input);
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79 ASSERT (ret == NULL);
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80 ASSERT (uc == 0xFFFD);
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81 }
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82 {
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83 static const uint16_t input[] = { 0xDD1F, 0 };
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84 uc = 0xBADFACE;
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85 ret = u16_next (&uc, input);
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86 ASSERT (ret == NULL);
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87 ASSERT (uc == 0xFFFD);
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88 }
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89
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90 return 0;
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91 }