1 /* Test of getdelim() function.
2 Copyright (C) 2007-2016 Free Software Foundation, Inc.
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, or (at your option)
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.
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/>. */
17 /* Written by Eric Blake <ebb9@byu.net>, 2007. */
23 #include "signature.h"
24 SIGNATURE_CHECK (getdelim, ssize_t, (char **, size_t *, int, FILE *));
39 /* Create test file. */
40 f = fopen ("test-getdelim.txt", "wb");
41 if (!f || fwrite ("anAnbcnd\0f", 1, 10, f) != 10 || fclose (f) != 0)
43 fputs ("Failed to create sample file.\n", stderr);
44 remove ("test-getdelim.txt");
47 f = fopen ("test-getdelim.txt", "rb");
50 fputs ("Failed to reopen sample file.\n", stderr);
51 remove ("test-getdelim.txt");
55 /* Test initial allocation, which must include trailing NUL. */
58 result = getdelim (&line, &len, 'n', f);
60 ASSERT (strcmp (line, "an") == 0);
64 /* Test initial allocation again, with line = NULL and len != 0. */
66 len = (size_t)(~0) / 4;
67 result = getdelim (&line, &len, 'n', f);
69 ASSERT (strcmp (line, "An") == 0);
73 /* Test growth of buffer. */
76 result = getdelim (&line, &len, 'n', f);
78 ASSERT (strcmp (line, "bcn") == 0);
81 /* Test embedded NULs and EOF behavior. */
82 result = getdelim (&line, &len, 'n', f);
84 ASSERT (memcmp (line, "d\0f", 4) == 0);
87 result = getdelim (&line, &len, 'n', f);
88 ASSERT (result == -1);
92 remove ("test-getdelim.txt");