1/* Test of u8_[v]asnprintf() function. 2 Copyright (C) 2007, 2009, 2010 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 19static void 20test_function (uint8_t * (*my_asnprintf) (uint8_t *, size_t *, const char *, ...)) 21{ 22 uint8_t buf[8]; 23 int size; 24 25 /* Test return value convention. */ 26 27 for (size = 0; size <= 8; size++) 28 { 29 size_t length = size; 30 uint8_t *result = my_asnprintf (NULL, &length, "%d", 12345); 31 static const uint8_t expected[] = "12345"; 32 ASSERT (result != NULL); 33 ASSERT (u8_strcmp (result, expected) == 0); 34 ASSERT (length == 5); 35 free (result); 36 } 37 38 for (size = 0; size <= 8; size++) 39 { 40 static const uint8_t initializer[] = "DEADBEEF"; 41 static const uint8_t expected[] = "12345"; 42 size_t length; 43 uint8_t *result; 44 45 u8_cpy (buf, initializer, 8); 46 length = size; 47 result = my_asnprintf (buf, &length, "%d", 12345); 48 ASSERT (result != NULL); 49 ASSERT (u8_strcmp (result, expected) == 0); 50 ASSERT (length == 5); 51 if (size < 6) 52 ASSERT (result != buf); 53 ASSERT (u8_cmp (buf + size, initializer + size, 8 - size) == 0); 54 if (result != buf) 55 free (result); 56 } 57} 58