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author | Simon Josefsson <simon@josefsson.org> | 2011-08-03 01:16:03 +0200 |
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committer | Simon Josefsson <simon@josefsson.org> | 2011-08-03 01:54:47 +0200 |
commit | ae155d81b9b0282e1fe2fdfc18f3bfa3ec6a5074 (patch) | |
tree | e66003dc5af9746fbe3b652414362cc704bc6de8 /gl/tests/test-ftell3.c | |
parent | 5ca16d756ababb14e31d09ac4f1c1514de2ff5b9 (diff) | |
download | gnutls-ae155d81b9b0282e1fe2fdfc18f3bfa3ec6a5074.tar.gz |
Update gnulib files. Fix syntax-check usage.
Diffstat (limited to 'gl/tests/test-ftell3.c')
-rw-r--r-- | gl/tests/test-ftell3.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/gl/tests/test-ftell3.c b/gl/tests/test-ftell3.c new file mode 100644 index 0000000000..a5167efe3a --- /dev/null +++ b/gl/tests/test-ftell3.c @@ -0,0 +1,78 @@ +/* Test of ftell() 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 of the License, 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, see <http://www.gnu.org/licenses/>. */ + +#include <config.h> + +/* None of the files accessed by this test are large, so disable the + fseek link warning if we are not using the gnulib fseek module. */ +#define _GL_NO_LARGE_FILES +#include <stdio.h> + +#include <string.h> + +#include "macros.h" + +#define TESTFILE "t-ftell3.tmp" + +int +main (void) +{ + FILE *fp; + + /* Create a file with some contents. */ + fp = fopen (TESTFILE, "w"); + if (fp == NULL) + goto skip; + if (fwrite ("foogarsh", 1, 8, fp) < 8) + goto skip; + if (fclose (fp)) + goto skip; + + /* The file's contents is now "foogarsh". */ + + /* Try writing after reading to EOF. */ + fp = fopen (TESTFILE, "r+"); + if (fp == NULL) + goto skip; + if (fseek (fp, -1, SEEK_END)) + goto skip; + ASSERT (getc (fp) == 'h'); + ASSERT (getc (fp) == EOF); + ASSERT (ftell (fp) == 8); + ASSERT (ftell (fp) == 8); + ASSERT (putc ('!', fp) == '!'); + ASSERT (ftell (fp) == 9); + ASSERT (fclose (fp) == 0); + fp = fopen (TESTFILE, "r"); + if (fp == NULL) + goto skip; + { + char buf[10]; + ASSERT (fread (buf, 1, 10, fp) == 9); + ASSERT (memcmp (buf, "foogarsh!", 9) == 0); + } + ASSERT (fclose (fp) == 0); + + /* The file's contents is now "foogarsh!". */ + + remove (TESTFILE); + return 0; + + skip: + fprintf (stderr, "Skipping test: prerequisite file operations failed.\n"); + remove (TESTFILE); + return 77; +} |