1/* Test of gl_locale_name 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 "localename.h" 22 23#include <locale.h> 24#include <stdio.h> 25#include <stdlib.h> 26#include <string.h> 27 28#include "setenv.h" 29 30#define ASSERT(expr) \ 31 do \ 32 { \ 33 if (!(expr)) \ 34 { \ 35 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ 36 abort (); \ 37 } \ 38 } \ 39 while (0) 40 41int 42main () 43{ 44 /* Check that gl_locale_name returns non-NULL. */ 45 ASSERT (gl_locale_name (LC_MESSAGES, "LC_MESSAGES") != NULL); 46 47 /* Check that when all environment variables are unset, 48 gl_locale_name_posix returns NULL. */ 49 unsetenv ("LC_ALL"); 50 unsetenv ("LC_CTYPE"); 51 unsetenv ("LC_MESSAGES"); 52 unsetenv ("LC_NUMERIC"); 53 unsetenv ("LANG"); 54 setlocale (LC_ALL, ""); 55 ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"), 56 gl_locale_name_default ()) == 0); 57 ASSERT (strcmp (gl_locale_name (LC_NUMERIC, "LC_NUMERIC"), 58 gl_locale_name_default ()) == 0); 59 60 /* Check that an empty environment variable is treated like an unset 61 environment variable. */ 62 63 setenv ("LC_ALL", "", 1); 64 unsetenv ("LC_CTYPE"); 65 unsetenv ("LC_MESSAGES"); 66 unsetenv ("LANG"); 67 setlocale (LC_ALL, ""); 68 ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"), 69 gl_locale_name_default ()) == 0); 70 71 unsetenv ("LC_ALL"); 72 setenv ("LC_CTYPE", "", 1); 73 unsetenv ("LC_MESSAGES"); 74 unsetenv ("LANG"); 75 setlocale (LC_ALL, ""); 76 ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"), 77 gl_locale_name_default ()) == 0); 78 79 unsetenv ("LC_ALL"); 80 unsetenv ("LC_CTYPE"); 81 setenv ("LC_MESSAGES", "", 1); 82 unsetenv ("LANG"); 83 setlocale (LC_ALL, ""); 84 ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"), 85 gl_locale_name_default ()) == 0); 86 87 unsetenv ("LC_ALL"); 88 unsetenv ("LC_CTYPE"); 89 unsetenv ("LC_MESSAGES"); 90 setenv ("LANG", "", 1); 91 setlocale (LC_ALL, ""); 92 ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"), 93 gl_locale_name_default ()) == 0); 94 95 /* Check that LC_ALL overrides the others, and LANG is overridden by the 96 others. */ 97 98 setenv ("LC_ALL", "C", 1); 99 unsetenv ("LC_CTYPE"); 100 unsetenv ("LC_MESSAGES"); 101 unsetenv ("LANG"); 102 setlocale (LC_ALL, ""); 103 ASSERT (strcmp (gl_locale_name_posix (LC_MESSAGES, "LC_MESSAGES"), "C") == 0); 104 ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"), "C") == 0); 105 106 unsetenv ("LC_ALL"); 107 setenv ("LC_CTYPE", "C", 1); 108 setenv ("LC_MESSAGES", "C", 1); 109 unsetenv ("LANG"); 110 setlocale (LC_ALL, ""); 111 ASSERT (strcmp (gl_locale_name_posix (LC_MESSAGES, "LC_MESSAGES"), "C") == 0); 112 ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"), "C") == 0); 113 114 unsetenv ("LC_ALL"); 115 unsetenv ("LC_CTYPE"); 116 unsetenv ("LC_MESSAGES"); 117 setenv ("LANG", "C", 1); 118 setlocale (LC_ALL, ""); 119 ASSERT (strcmp (gl_locale_name_posix (LC_MESSAGES, "LC_MESSAGES"), "C") == 0); 120 ASSERT (strcmp (gl_locale_name (LC_MESSAGES, "LC_MESSAGES"), "C") == 0); 121 122 return 0; 123} 124