113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
/****************************************************************************
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* apps/testing/testsuites/kernel/fs/cases/fs_dup2_test.c
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* Copyright (C) 2020 Xiaomi Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <syslog.h>
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#include <errno.h>
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#include <stdint.h>
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#include <stdarg.h>
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#include <stddef.h>
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#include <setjmp.h>
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#include <cmocka.h>
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#include "fstest.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define TESTFILE "testDup2File1"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: test_nuttx_fs_dup201
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****************************************************************************/
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void test_nuttx_fs_dup201(FAR void **state)
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{
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char buf[16] = {
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0
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};
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off_t currpos;
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struct fs_testsuites_state_s *test_state;
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test_state = (struct fs_testsuites_state_s *)*state;
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/* open file */
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int fd1 = open(TESTFILE, O_RDWR | O_CREAT, 0777);
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assert_true(fd1 > 0);
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test_state->fd1 = fd1;
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/* open file */
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int fd2 = open(TESTFILE, O_RDWR | O_CREAT, 0777);
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assert_true(fd2 > 0);
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test_state->fd2 = fd2;
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/* do dup2 */
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int ret = dup2(fd1, fd2);
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assert_int_not_equal(ret, -1);
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char *buf1 = "hello ";
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char *buf2 = "world!";
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/* do write */
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int ret2;
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ret2 = write(fd1, buf1, strlen(buf1));
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assert_int_in_range(ret2, 1, strlen(buf1));
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ret2 = write(fd2, buf2, strlen(buf2));
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assert_int_in_range(ret2, 1, strlen(buf2));
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/* refresh to storage */
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assert_int_equal(fsync(fd1), 0);
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/* reset file pos use fd2 */
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lseek(fd2, 0, SEEK_SET);
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/* check if file pos is shared */
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currpos = lseek(fd1, 0, SEEK_CUR);
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assert_int_equal(currpos, 0);
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/* read file */
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ret = read(fd1, buf, 12);
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assert_int_equal(ret, 12);
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/* check buf */
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ret = strncmp(buf, "hello world!", 12);
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assert_int_equal(ret, 0);
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}
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