1/**
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *   http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <errno.h>
17#include <unistd.h>
18#include "functionalext.h"
19
20/*
21 * @tc.name      : chroot_0100
22 * @tc.desc      : Verify that the file root directory can be changed (parameters are valid)
23 * @tc.level     : Level 0
24 */
25void chroot_0100(void)
26{
27    int result = chroot("/data");
28    EXPECT_EQ("chroot_0100", result, 0);
29}
30
31/*
32 * @tc.name      : chroot_0200
33 * @tc.desc      : Verify that the file root directory cannot be changed (The file does not exist)
34 * @tc.level     : Level 2
35 */
36void chroot_0200(void)
37{
38    errno = 0;
39    int result = chroot("/sub");
40    EXPECT_EQ("chroot_0200", result, -1);
41    EXPECT_EQ("chroot_0200", errno, ENOENT);
42}
43
44int main(int argc, char *argv[])
45{
46    chroot_0100();
47    chroot_0200();
48    return t_status;
49}