diff options
Diffstat (limited to 'gnulib-tests/test-open.h')
-rw-r--r-- | gnulib-tests/test-open.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/gnulib-tests/test-open.h b/gnulib-tests/test-open.h new file mode 100644 index 0000000..bb18471 --- /dev/null +++ b/gnulib-tests/test-open.h @@ -0,0 +1,89 @@ +/* -*- buffer-read-only: t -*- vi: set ro: */ +/* DO NOT EDIT! GENERATED AUTOMATICALLY! */ +/* Test of opening a file descriptor. + Copyright (C) 2007-2010 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/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ + +/* This file is designed to test both open(n,buf[,mode]) and + openat(AT_FDCWD,n,buf[,mode]). FUNC is the function to test. + Assumes that BASE and ASSERT are already defined, and that + appropriate headers are already included. If PRINT, warn before + skipping symlink tests with status 77. */ + +static int +test_open (int (*func) (char const *, int, ...), bool print) +{ + int fd; + /* Remove anything from prior partial run. */ + unlink (BASE "file"); + + /* Cannot create directory. */ + errno = 0; + ASSERT (func ("nonexist.ent/", O_CREAT | O_RDONLY, 0600) == -1); + ASSERT (errno == ENOTDIR || errno == EISDIR || errno == ENOENT + || errno == EINVAL); + + /* Create a regular file. */ + fd = func (BASE "file", O_CREAT | O_RDONLY, 0600); + ASSERT (0 <= fd); + ASSERT (close (fd) == 0); + + /* Trailing slash handling. */ + errno = 0; + ASSERT (func (BASE "file/", O_RDONLY) == -1); + ASSERT (errno == ENOTDIR || errno == EISDIR || errno == EINVAL); + + /* Directories cannot be opened for writing. */ + errno = 0; + ASSERT (func (".", O_WRONLY) == -1); + ASSERT (errno == EISDIR || errno == EACCES); + + /* /dev/null must exist, and be writable. */ + fd = func ("/dev/null", O_RDONLY); + ASSERT (0 <= fd); + { + char c; + ASSERT (read (fd, &c, 1) == 0); + } + ASSERT (close (fd) == 0); + fd = func ("/dev/null", O_WRONLY); + ASSERT (0 <= fd); + ASSERT (write (fd, "c", 1) == 1); + ASSERT (close (fd) == 0); + + /* Symlink handling, where supported. */ + if (symlink (BASE "file", BASE "link") != 0) + { + ASSERT (unlink (BASE "file") == 0); + if (print) + fputs ("skipping test: symlinks not supported on this file system\n", + stderr); + return 77; + } + errno = 0; + ASSERT (func (BASE "link/", O_RDONLY) == -1); + ASSERT (errno == ENOTDIR); + fd = func (BASE "link", O_RDONLY); + ASSERT (0 <= fd); + ASSERT (close (fd) == 0); + + /* Cleanup. */ + ASSERT (unlink (BASE "file") == 0); + ASSERT (unlink (BASE "link") == 0); + + return 0; +} |