1 /* Copyright (C) 1999, 2000 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library 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 GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 #include <stdio.h> 20 #include <stdlib.h> 21 #include <wctype.h> 22 23 24 int 25 main(int argc, char *argv[]) 26 { 27 int result = 0; 28 wint_t ch; 29 30 for (ch = 0; ch < 128; ++ch) { 31 if (iswlower(ch)) { 32 /* Get corresponding upper case character. */ 33 wint_t up = towupper(ch); 34 /* This should have no effect. */ 35 wint_t low = towlower(ch); 36 37 if ((ch != low) || (up == ch) || (up == low)) { 38 printf( 39 "iswlower/towupper/towlower for character \\%x failed\n", 40 ch); 41 result++; 42 } 43 } 44 if (iswupper(ch)) { 45 /* Get corresponding lower case character. */ 46 wint_t low = towlower(ch); 47 /* This should have no effect. */ 48 wint_t up = towupper(ch); 49 50 if ((ch != up) || (low == ch) || (up == low)) { 51 printf( 52 "iswupper/towlower/towupper for character \\%x failed\n", 53 ch); 54 result++; 55 } 56 } 57 } 58 59 /* Finally some specific tests. */ 60 ch = L'A'; 61 if (!iswupper(ch) || iswlower(ch)) { 62 printf("!iswupper/iswlower (L'A') failed\n"); 63 result++; 64 65 } 66 ch = L'a'; 67 if (iswupper(ch) || !iswlower(ch)) { 68 printf("iswupper/!iswlower (L'a') failed\n"); 69 result++; 70 } 71 if (towlower(L'A') != L'a') { 72 printf("towlower(L'A') failed\n"); 73 result++; 74 } 75 if (towupper(L'a') != L'A') { 76 printf("towupper(L'a') failed\n"); 77 result++; 78 } 79 80 if (result == 0) 81 puts("All test successful!"); 82 return result != 0; 83 } 84