1/*
2 * Copyright (C) 2024 HiHope Open Source Organization.
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 <cstdio>
17#include <cstdlib>
18#include <cerrno>
19#include <fcntl.h>
20#include <string>
21#include <unistd.h>
22#include <vector>
23#include <gtest/gtest.h>
24#include <sys/stat.h>
25#include <sys/types.h>
26#include "securec.h"
27
28using namespace testing::ext;
29using namespace std;
30
31class FchdirApiTest : public testing::Test {
32public:
33    static void SetUpTestCase();
34    static void TearDownTestCase();
35    void SetUp();
36    void TearDown();
37private:
38};
39void FchdirApiTest::SetUp()
40{
41}
42void FchdirApiTest::TearDown()
43{
44}
45void FchdirApiTest::SetUpTestCase()
46{
47}
48void FchdirApiTest::TearDownTestCase()
49{
50}
51
52static const int PATH_MAX_LEN = 128;
53static const char *TEST_FILE = "/data/local/tmp/fchdir.txt";
54static const char *TEST_DIR = "/data/local/tmp/fchdirTest";
55static const mode_t MODE_0644 = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
56
57/*
58 * @tc.number : SUB_KERNEL_SYSCALL_FCHDIR_0100
59 * @tc.name   : FchdirChangeDirectorySuccess_0001
60 * @tc.desc   : fchdir change the current working directory and enter valid directory success.
61 * @tc.size   : MediumTest
62 * @tc.type   : Function
63 * @tc.level  : Level 1
64 */
65HWTEST_F(FchdirApiTest, FchdirChangeDirectorySuccess_0001, Function | MediumTest | Level1)
66{
67    int ret;
68    char path[PATH_MAX_LEN] = { 0 };
69    if (access(TEST_DIR, F_OK) != 0) {
70        ret = mkdir(TEST_DIR, 0755);
71        EXPECT_EQ(ret, 0);
72    }
73
74    int dirfd = open(TEST_DIR, O_RDONLY | O_DIRECTORY);
75    EXPECT_TRUE(dirfd > 0);
76    ret = fchdir(dirfd);
77    EXPECT_EQ(ret, 0);
78    char *dir = getcwd(path, sizeof(path));
79    EXPECT_NE(dir, nullptr);
80    EXPECT_STREQ(dir, TEST_DIR);
81
82    close(dirfd);
83    remove(TEST_DIR);
84}
85
86/*
87 * @tc.number : SUB_KERNEL_SYSCALL_FCHDIR_0200
88 * @tc.name   : FchdirChangeDirectoryFail_0002
89 * @tc.desc   : fchdir change the current working directory and enter invalid directory fail, errno EBADF.
90 * @tc.size   : MediumTest
91 * @tc.type   : Function
92 * @tc.level  : Level 2
93 */
94HWTEST_F(FchdirApiTest, FchdirChangeDirectoryFail_0002, Function | MediumTest | Level2)
95{
96    int ret;
97    int fd = -1;
98    errno = 0;
99    ret = fchdir(fd);
100    EXPECT_EQ(ret, -1);
101    EXPECT_EQ(errno, EBADF);
102}
103
104/*
105 * @tc.number : SUB_KERNEL_SYSCALL_FCHDIR_0300
106 * @tc.name   : FchdirChangeFileDescriptorFail_0003
107 * @tc.desc   : fchdir change into a file fail, errno ENOTDIR.
108 * @tc.size   : MediumTest
109 * @tc.type   : Function
110 * @tc.level  : Level 2
111 */
112HWTEST_F(FchdirApiTest, FchdirChangeFileDescriptorFail_0003, Function | MediumTest | Level2)
113{
114    int ret;
115    int fd = open(TEST_FILE, O_RDWR | O_CREAT, MODE_0644);
116    EXPECT_TRUE(fd > 0);
117
118    errno = 0;
119    ret = fchdir(fd);
120    EXPECT_EQ(ret, -1);
121    EXPECT_EQ(errno, ENOTDIR);
122
123    close(fd);
124    remove(TEST_FILE);
125}
126