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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:21:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:21:29 +0000
commit29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc (patch)
tree63ef546b10a81d461e5cf5ed9e98a68cd7dee1aa /src/grep/gnulib-tests/test-fopen.h
parentInitial commit. (diff)
downloadkbuild-29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc.tar.xz
kbuild-29cd838eab01ed7110f3ccb2e8c6a35c8a31dbcc.zip
Adding upstream version 1:0.1.9998svn3589+dfsg.upstream/1%0.1.9998svn3589+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/grep/gnulib-tests/test-fopen.h')
-rw-r--r--src/grep/gnulib-tests/test-fopen.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/grep/gnulib-tests/test-fopen.h b/src/grep/gnulib-tests/test-fopen.h
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--- /dev/null
+++ b/src/grep/gnulib-tests/test-fopen.h
@@ -0,0 +1,89 @@
+/* Test of opening a file stream.
+ Copyright (C) 2007-2021 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 <https://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+/* Include <config.h> and a form of <stdio.h> first. */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include "macros.h"
+
+/* Test fopen. Assumes BASE is defined. */
+
+static int
+test_fopen (void)
+{
+ FILE *f;
+ /* Remove anything from prior partial run. */
+ unlink (BASE "file");
+
+ /* Read requires existing file. */
+ errno = 0;
+ ASSERT (fopen (BASE "file", "r") == NULL);
+ ASSERT (errno == ENOENT);
+
+ /* Write can create a file. */
+ f = fopen (BASE "file", "w");
+ ASSERT (f);
+ ASSERT (fclose (f) == 0);
+
+ /* Trailing slash is invalid on non-directory. */
+ errno = 0;
+ ASSERT (fopen (BASE "file/", "r") == NULL);
+ ASSERT (errno == ENOTDIR || errno == EISDIR || errno == EINVAL);
+
+ errno = 0;
+ ASSERT (fopen (BASE "file/", "r+") == NULL);
+ ASSERT (errno == ENOTDIR || errno == EISDIR || errno == EINVAL);
+
+ /* Cannot create a directory. */
+ errno = 0;
+ ASSERT (fopen ("nonexist.ent/", "w") == NULL);
+ ASSERT (errno == ENOTDIR || errno == EISDIR || errno == ENOENT
+ || errno == EINVAL);
+
+ /* Directories cannot be opened for writing. */
+ errno = 0;
+ ASSERT (fopen (".", "w") == NULL);
+ ASSERT (errno == EISDIR || errno == EINVAL || errno == EACCES);
+
+ errno = 0;
+ ASSERT (fopen ("./", "w") == NULL);
+ ASSERT (errno == EISDIR || errno == EINVAL || errno == EACCES);
+
+ errno = 0;
+ ASSERT (fopen (".", "r+") == NULL);
+ ASSERT (errno == EISDIR || errno == EINVAL || errno == EACCES);
+
+ errno = 0;
+ ASSERT (fopen ("./", "r+") == NULL);
+ ASSERT (errno == EISDIR || errno == EINVAL || errno == EACCES);
+
+ /* /dev/null must exist, and be writable. */
+ f = fopen ("/dev/null", "r");
+ ASSERT (f);
+ ASSERT (fclose (f) == 0);
+ f = fopen ("/dev/null", "w");
+ ASSERT (f);
+ ASSERT (fclose (f) == 0);
+
+ /* Cleanup. */
+ ASSERT (unlink (BASE "file") == 0);
+
+ return 0;
+}