1/* Test of u32_[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 (uint32_t * (*my_asnprintf) (uint32_t *, size_t *, const char *, ...)) 21{ 22 uint32_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 uint32_t *result = my_asnprintf (NULL, &length, "%d", 12345); 31 static const uint32_t expected[] = 32 { '1', '2', '3', '4', '5', 0 }; 33 ASSERT (result != NULL); 34 ASSERT (u32_strcmp (result, expected) == 0); 35 ASSERT (length == 5); 36 free (result); 37 } 38 39 for (size = 0; size <= 8; size++) 40 { 41 static const uint32_t initializer[] = 42 { 'D', 'E', 'A', 'D', 'B', 'E', 'E', 'F', 0 }; 43 static const uint32_t expected[] = 44 { '1', '2', '3', '4', '5', 0 }; 45 size_t length; 46 uint32_t *result; 47 48 u32_cpy (buf, initializer, 8); 49 length = size; 50 result = my_asnprintf (buf, &length, "%d", 12345); 51 ASSERT (result != NULL); 52 ASSERT (u32_strcmp (result, expected) == 0); 53 ASSERT (length == 5); 54 if (size < 6) 55 ASSERT (result != buf); 56 ASSERT (u32_cmp (buf + size, initializer + size, 8 - size) == 0); 57 if (result != buf) 58 free (result); 59 } 60} 61