1/* Test of wcwidth() function. 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 <wchar.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 wchar_t wc; 42 43 /* Test width of ASCII characters. */ 44 for (wc = 0x20; wc < 0x7F; wc++) 45 ASSERT (wcwidth (wc) == 1); 46 47 /* Switch to an UTF-8 locale. */ 48 if (setlocale (LC_ALL, "fr_FR.UTF-8") != NULL) 49 { 50 /* Test width of ASCII characters. */ 51 for (wc = 0x20; wc < 0x7F; wc++) 52 ASSERT (wcwidth (wc) == 1); 53 54 /* Test width of some non-spacing characters. */ 55 ASSERT (wcwidth (0x0301) == 0); 56 ASSERT (wcwidth (0x05B0) == 0); 57 58 /* Test width of some format control characters. */ 59 ASSERT (wcwidth (0x200E) <= 0); 60 ASSERT (wcwidth (0x2060) == 0); 61#if 0 /* wchar_t may be only 16 bits. */ 62 ASSERT (wcwidth (0xE0001) <= 0); 63 ASSERT (wcwidth (0xE0044) <= 0); 64#endif 65 66 /* Test width of some zero width characters. */ 67 ASSERT (wcwidth (0x200B) == 0); 68 ASSERT (wcwidth (0xFEFF) <= 0); 69 70 /* Test width of some CJK characters. */ 71 ASSERT (wcwidth (0x3000) == 2); 72 ASSERT (wcwidth (0xB250) == 2); 73 ASSERT (wcwidth (0xFF1A) == 2); 74#if 0 /* wchar_t may be only 16 bits. */ 75 ASSERT (wcwidth (0x20369) == 2); 76 ASSERT (wcwidth (0x2F876) == 2); 77#endif 78 } 79 80 return 0; 81} 82