1/* Test of searching in a string. 2 Copyright (C) 2007 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 16 17/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ 18 19#include <config.h> 20 21#include <string.h> 22 23#include <locale.h> 24#include <stdio.h> 25#include <stdlib.h> 26 27#define ASSERT(expr) \ 28 do \ 29 { \ 30 if (!(expr)) \ 31 { \ 32 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ 33 abort (); \ 34 } \ 35 } \ 36 while (0) 37 38int 39main () 40{ 41 /* configure should already have checked that the locale is supported. */ 42 if (setlocale (LC_ALL, "") == NULL) 43 return 1; 44 45 /* Tests with a character < 0x30. */ 46 { 47 const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "������ ������ ������" */ 48 const char *result = mbsstr (input, " "); 49 ASSERT (result == input + 4); 50 } 51 52 { 53 const char input[] = "\312\276\300\375"; /* "������" */ 54 const char *result = mbsstr (input, " "); 55 ASSERT (result == NULL); 56 } 57 58 /* Tests with a character >= 0x30. */ 59 { 60 const char input[] = "\272\305123\324\313\320\320\241\243"; /* "���123���������" */ 61 const char *result = mbsstr (input, "2"); 62 ASSERT (result == input + 3); 63 } 64 65 /* The following tests show how mbsstr() is different from strstr(). */ 66 67 { 68 const char input[] = "\313\320\320\320"; /* "������" */ 69 const char *result = mbsstr (input, "\320\320"); /* "���" */ 70 ASSERT (result == input + 2); 71 } 72 73 { 74 const char input[] = "\203\062\332\066123\324\313\320\320\241\243"; /* "���123���������" */ 75 const char *result = mbsstr (input, "2"); 76 ASSERT (result == input + 5); 77 } 78 79 { 80 const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "������ ������ ������" */ 81 const char *result = mbsstr (input, "\276\300"); /* "���" */ 82 ASSERT (result == NULL); 83 } 84 85 { 86 const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "������ ������ ������" */ 87 const char *result = mbsstr (input, "\375 "); /* invalid multibyte sequence */ 88 ASSERT (result == NULL); 89 } 90 91 return 0; 92} 93