1 | /* Test of searching in a string.
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2 | Copyright (C) 2007-2021 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>, 2007. */
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18 |
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19 | #include <config.h>
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20 |
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21 | #include <string.h>
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22 |
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23 | #include <locale.h>
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24 |
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25 | #include "macros.h"
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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 | /* configure should already have checked that the locale is supported. */
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31 | if (setlocale (LC_ALL, "") == NULL)
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32 | return 1;
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33 |
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34 | /* Tests with a character < 0x30. */
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35 | {
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36 | const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */
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37 | const char *result = mbsstr (input, " ");
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38 | ASSERT (result == input + 4);
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39 | }
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40 |
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41 | {
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42 | const char input[] = "\312\276\300\375"; /* "示例" */
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43 | const char *result = mbsstr (input, " ");
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44 | ASSERT (result == NULL);
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45 | }
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46 |
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47 | /* Tests with a character >= 0x30. */
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48 | {
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49 | const char input[] = "\272\305123\324\313\320\320\241\243"; /* "号123运行。" */
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50 | const char *result = mbsstr (input, "2");
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51 | ASSERT (result == input + 3);
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52 | }
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53 |
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54 | /* The following tests show how mbsstr() is different from strstr(). */
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55 |
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56 | {
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57 | const char input[] = "\313\320\320\320"; /* "诵行" */
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58 | const char *result = mbsstr (input, "\320\320"); /* "行" */
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59 | ASSERT (result == input + 2);
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60 | }
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61 |
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62 | {
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63 | const char input[] = "\203\062\332\066123\324\313\320\320\241\243"; /* "씋123运行。" */
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64 | const char *result = mbsstr (input, "2");
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65 | ASSERT (result == input + 5);
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66 | }
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67 |
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68 | {
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69 | const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */
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70 | const char *result = mbsstr (input, "\276\300"); /* "纠" */
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71 | ASSERT (result == NULL);
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72 | }
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73 |
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74 | {
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75 | const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */
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76 | const char *result = mbsstr (input, "\375 "); /* invalid multibyte sequence */
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77 | ASSERT (result == NULL);
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78 | }
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79 |
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80 | return 0;
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81 | }
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