diff options
Diffstat (limited to 'gnulib/tests/test-getline.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/tests/test-getline.c | 95 |
2 files changed, 95 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/tests/test-getline.c b/gnulib/tests/test-getline.c new file mode 100644 index 0000000..bead4b6 --- /dev/null +++ b/gnulib/tests/test-getline.c @@ -0,0 +1,95 @@ +/* Test of getline() function. + Copyright (C) 2007-2011 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Eric Blake <ebb9@byu.net>, 2007. */ + +#include <config.h> + +#include <stdio.h> + +#include "signature.h" +SIGNATURE_CHECK (getline, ssize_t, (char **, size_t *, FILE *)); + +#include <stdlib.h> +#include <string.h> + +#include "macros.h" + +int +main (void) +{ + FILE *f; + char *line; + size_t len; + ssize_t result; + + /* Create test file. */ + f = fopen ("test-getline.txt", "wb"); + if (!f || fwrite ("a\nA\nbc\nd\0f", 1, 10, f) != 10 || fclose (f) != 0) + { + fputs ("Failed to create sample file.\n", stderr); + remove ("test-getline.txt"); + return 1; + } + f = fopen ("test-getline.txt", "rb"); + if (!f) + { + fputs ("Failed to reopen sample file.\n", stderr); + remove ("test-getline.txt"); + return 1; + } + + /* Test initial allocation, which must include trailing NUL. */ + line = NULL; + len = 0; + result = getline (&line, &len, f); + ASSERT (result == 2); + ASSERT (strcmp (line, "a\n") == 0); + ASSERT (2 < len); + free (line); + + /* Test initial allocation again, with line = NULL and len != 0. */ + line = NULL; + len = (size_t)(~0) / 4; + result = getline (&line, &len, f); + ASSERT (result == 2); + ASSERT (strcmp (line, "A\n") == 0); + ASSERT (2 < len); + free (line); + + /* Test growth of buffer, must not leak. */ + line = malloc (1); + len = 0; + result = getline (&line, &len, f); + ASSERT (result == 3); + ASSERT (strcmp (line, "bc\n") == 0); + ASSERT (3 < len); + + /* Test embedded NULs and EOF behavior. */ + result = getline (&line, &len, f); + ASSERT (result == 3); + ASSERT (memcmp (line, "d\0f", 4) == 0); + ASSERT (3 < len); + + result = getline (&line, &len, f); + ASSERT (result == -1); + + free (line); + fclose (f); + remove ("test-getline.txt"); + return 0; +} |