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List: ltp-list
Subject: [LTP] [PATCH] tee/tee02.c: add EINVAL error value test
From: Xing Gu <gux.fnst () cn ! fujitsu ! com>
Date: 2014-05-30 7:37:04
Message-ID: 1401435424-10803-1-git-send-email-gux.fnst () cn ! fujitsu ! com
[Download RAW message or body]
Signed-off-by: Xing Gu <gux.fnst@cn.fujitsu.com>
---
configure.ac | 1 +
m4/ltp-tee.m4 | 25 ++++++
runtest/syscalls | 1 +
testcases/kernel/syscalls/.gitignore | 1 +
testcases/kernel/syscalls/tee/tee.h | 33 ++++++++
testcases/kernel/syscalls/tee/tee02.c | 145 ++++++++++++++++++++++++++++++++++
6 files changed, 206 insertions(+)
create mode 100644 m4/ltp-tee.m4
create mode 100644 testcases/kernel/syscalls/tee/tee.h
create mode 100644 testcases/kernel/syscalls/tee/tee02.c
diff --git a/configure.ac b/configure.ac
index 8698c47..3a7ec9c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -182,5 +182,6 @@ LTP_CHECK_FALLOCATE
LTP_CHECK_SYSCALL_FCNTL
LTP_CHECK_SYSCALL_PERF_EVENT_OPEN
LTP_CHECK_TIRPC
+LTP_CHECK_TEE
AC_OUTPUT
diff --git a/m4/ltp-tee.m4 b/m4/ltp-tee.m4
new file mode 100644
index 0000000..eb4a6b2
--- /dev/null
+++ b/m4/ltp-tee.m4
@@ -0,0 +1,25 @@
+dnl
+dnl Copyright (c) Linux Test Project, 2014
+dnl
+dnl This program is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 2 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+dnl the GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; if not, write to the Free Software Foundation,
+dnl Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+dnl
+
+dnl
+dnl LTP_CHECK_TEE
+dnl ----------------------------
+dnl
+AC_DEFUN([LTP_CHECK_TEE],[
+AC_CHECK_FUNCS(tee,,)
+])
diff --git a/runtest/syscalls b/runtest/syscalls
index 9207356..1eda929 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -1152,6 +1152,7 @@ splice01 splice01
splice02 seq 1 10000000 | splice02 splice02-temp
tee01 tee01
+tee02 tee02
ssetmask01 ssetmask01
diff --git a/testcases/kernel/syscalls/.gitignore b/testcases/kernel/syscalls/.gitignore
index 61c836c..6e1cb82 100644
--- a/testcases/kernel/syscalls/.gitignore
+++ b/testcases/kernel/syscalls/.gitignore
@@ -954,6 +954,7 @@
/syslog/syslog12
/syslog/syslogtst
/tee/tee01
+/tee/tee02
/time/time01
/time/time02
/timer_getoverrun/timer_getoverrun01
diff --git a/testcases/kernel/syscalls/tee/tee.h b/testcases/kernel/syscalls/tee/tee.h
new file mode 100644
index 0000000..0ba10a6
--- /dev/null
+++ b/testcases/kernel/syscalls/tee/tee.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) International Business Machines Corp., 2007
+ * Copyright (c) 2014 Fujitsu Ltd.
+ *
+ * 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 2 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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef TEE_H
+#define TEE_H
+
+#include "config.h"
+#include "linux_syscall_numbers.h"
+
+#if !defined(HAVE_TEE)
+ssize_t tee(int fd_in, int fd_out, size_t len, unsigned int flags)
+{
+ return ltp_syscall(__NR_tee, fd_in, fd_out, len, flags);
+}
+#endif
+
+#endif /* TEE_H */
diff --git a/testcases/kernel/syscalls/tee/tee02.c b/testcases/kernel/syscalls/tee/tee02.c
new file mode 100644
index 0000000..ba39662
--- /dev/null
+++ b/testcases/kernel/syscalls/tee/tee02.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 2014 Fujitsu Ltd.
+ * Author: Xing Gu <gux.fnst@cn.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+/*
+ * Description:
+ * Verify that,
+ * 1) tee() returns -1 and sets errno to EINVAL if fd_in does
+ * not refer to a pipe.
+ * 2) tee() returns -1 and sets errno to EINVAL if fd_out does
+ * not refer to a pipe.
+ * 3) tee() returns -1 and sets errno to EINVAL if fd_in and
+ * fd_out refer to the same pipe.
+ */
+
+#define _GNU_SOURCE
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "test.h"
+#include "usctest.h"
+#include "safe_macros.h"
+#include "tee.h"
+
+#define TEST_FILE "testfile"
+
+#define STR "abcdefghigklmnopqrstuvwxyz"
+#define TEE_TEST_LEN 10
+
+static int fd;
+static int pipes[2];
+
+static struct test_case_t {
+ int *fdin;
+ int *fdout;
+ int exp_errno;
+} test_cases[] = {
+ { &fd, &pipes[1], EINVAL },
+ { &pipes[0], &fd, EINVAL },
+ { &pipes[0], &pipes[1], EINVAL },
+};
+
+static void setup(void);
+static void cleanup(void);
+static void tee_verify(const struct test_case_t *);
+
+char *TCID = "tee02";
+int TST_TOTAL = ARRAY_SIZE(test_cases);
+static int exp_enos[] = { EINVAL, 0 };
+
+int main(int ac, char **av)
+{
+ int i, lc;
+ const char *msg;
+
+ msg = parse_opts(ac, av, NULL, NULL);
+ if (msg != NULL)
+ tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
+
+ setup();
+
+ TEST_EXP_ENOS(exp_enos);
+
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+ tst_count = 0;
+
+ for (i = 0; i < TST_TOTAL; i++)
+ tee_verify(&test_cases[i]);
+ }
+
+ cleanup();
+ tst_exit();
+}
+
+void setup(void)
+{
+ if ((tst_kvercmp(2, 6, 17)) < 0) {
+ tst_brkm(TCONF, cleanup, "This test can only run on kernels "
+ "that are 2.6.17 or higher");
+ }
+
+ TEST_PAUSE;
+
+ tst_sig(FORK, DEF_HANDLER, cleanup);
+
+ tst_tmpdir();
+
+ fd = SAFE_OPEN(cleanup, TEST_FILE, O_RDWR | O_CREAT);
+
+ SAFE_PIPE(cleanup, pipes);
+ SAFE_WRITE(cleanup, 1, pipes[1], STR, sizeof(STR) - 1);
+}
+
+static void tee_verify(const struct test_case_t *tc)
+{
+ TEST(tee(*(tc->fdin), *(tc->fdout), TEE_TEST_LEN, 0));
+
+ if (TEST_RETURN != -1) {
+ tst_resm(TFAIL, "tee() returned %ld, "
+ "expected -1, errno:%d", TEST_RETURN,
+ tc->exp_errno);
+ return;
+ }
+
+ TEST_ERROR_LOG(TEST_ERRNO);
+
+ if (TEST_ERRNO == tc->exp_errno) {
+ tst_resm(TPASS | TTERRNO, "tee() failed as expected");
+ } else {
+ tst_resm(TFAIL | TTERRNO,
+ "tee() failed unexpectedly; expected: %d - %s",
+ tc->exp_errno, strerror(tc->exp_errno));
+ }
+}
+
+void cleanup(void)
+{
+ TEST_CLEANUP;
+
+ if (fd && close(fd) < 0)
+ tst_resm(TWARN | TERRNO, "close fd failed");
+
+ if (pipes[0] && close(pipes[0]) < 0)
+ tst_resm(TWARN | TERRNO, "close pipes[0] failed");
+
+ if (pipes[1] && close(pipes[1]) < 0)
+ tst_resm(TWARN | TERRNO, "close pipes[1] failed");
+
+ tst_rmdir();
+}
--
1.9.0
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