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author | Peter O'Gorman <pogma@thewrittenword.com> | 2010-05-05 21:14:11 +0200 |
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committer | Bruno Haible <bruno@clisp.org> | 2010-05-05 21:14:11 +0200 |
commit | ea1a2077de32da9837b495d589509f8269807dd1 (patch) | |
tree | 09bee55f5b8558cc254fb496569e280ddb66f297 | |
parent | b111537c9eeb50ded7f91beecb879f69604ce36e (diff) | |
download | gnulib-ea1a2077de32da9837b495d589509f8269807dd1.tar.gz |
Tests for module pwrite.
-rw-r--r-- | modules/pwrite-tests | 14 | ||||
-rw-r--r-- | tests/test-pwrite.c | 80 | ||||
-rw-r--r-- | tests/test-pwrite.sh | 7 |
3 files changed, 101 insertions, 0 deletions
diff --git a/modules/pwrite-tests b/modules/pwrite-tests new file mode 100644 index 0000000000..6249a8e9f8 --- /dev/null +++ b/modules/pwrite-tests @@ -0,0 +1,14 @@ +Files: +tests/test-pwrite.sh +tests/test-pwrite.c +tests/init.sh +tests/signature.h +tests/macros.h + +Depends-on: + +configure.ac: + +Makefile.am: +TESTS += test-pwrite.sh +check_PROGRAMS += test-pwrite diff --git a/tests/test-pwrite.c b/tests/test-pwrite.c new file mode 100644 index 0000000000..073f6a336c --- /dev/null +++ b/tests/test-pwrite.c @@ -0,0 +1,80 @@ +/* Test the pwrite function. + Copyright (C) 2009, 2010 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> + +#include <unistd.h> + +#include "signature.h" +SIGNATURE_CHECK (pwrite, ssize_t, (int, const void *, size_t, off_t)); + +#include <sys/types.h> +#include <fcntl.h> +#include <errno.h> + +#include "macros.h" + +#define N (sizeof buf - 1) + +int +main (void) +{ + char const *file = "out"; + int fd; + char buf[] = "0123456789"; + off_t pos = 2; + size_t i; + off_t init_pos; + + ASSERT (file); + + fd = open (file, O_CREAT | O_WRONLY, 0600); + ASSERT (0 <= fd); + ASSERT (write (fd, buf, N) == N); + ASSERT (close (fd) == 0); + + fd = open (file, O_WRONLY, 0600); + ASSERT (0 <= fd); + + init_pos = lseek (fd, pos, SEEK_SET); + ASSERT (init_pos == pos); + + for (i = 0; i < N; i+=2) + { + const char byte = 'W'; + ASSERT (pwrite (fd, &byte, 1, i) == 1); + ASSERT (lseek (fd, 0, SEEK_CUR) == init_pos); + } + + { + /* Invalid offset must evoke failure with EINVAL. */ + const char byte = 'b'; + ASSERT (pwrite (fd, &byte, 1, (off_t) -1) == -1); + ASSERT (errno == EINVAL); + } + + ASSERT (close (fd) == 0); + + { + char read_buf[N]; + fd = open (file, O_RDONLY); + ASSERT (0 <= fd); + ASSERT (read (fd, buf, N) == N); + ASSERT (close (fd) == 0); + ASSERT (strcmp ("W1W3W5W7W9",buf) == 0); + } + return 0; +} diff --git a/tests/test-pwrite.sh b/tests/test-pwrite.sh new file mode 100644 index 0000000000..94f0f382ab --- /dev/null +++ b/tests/test-pwrite.sh @@ -0,0 +1,7 @@ +#!/bin/sh +. "${srcdir=.}/init.sh"; path_prepend_ . + +fail=0 +test-pwrite || fail=1 + +Exit $fail |