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
28 using namespace testing::ext;
29 using namespace std;
30
31 class FchdirApiTest : public testing::Test {
32 public:
33 static void SetUpTestCase();
34 static void TearDownTestCase();
35 void SetUp();
36 void TearDown();
37 private:
38 };
SetUp()39 void FchdirApiTest::SetUp()
40 {
41 }
TearDown()42 void FchdirApiTest::TearDown()
43 {
44 }
SetUpTestCase()45 void FchdirApiTest::SetUpTestCase()
46 {
47 }
TearDownTestCase()48 void FchdirApiTest::TearDownTestCase()
49 {
50 }
51
52 static const int PATH_MAX_LEN = 128;
53 static const char *TEST_FILE = "/data/local/tmp/fchdir.txt";
54 static const char *TEST_DIR = "/data/local/tmp/fchdirTest";
55 static 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 */
HWTEST_F(FchdirApiTest, FchdirChangeDirectorySuccess_0001, Function | MediumTest | Level1)65 HWTEST_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 */
HWTEST_F(FchdirApiTest, FchdirChangeDirectoryFail_0002, Function | MediumTest | Level2)94 HWTEST_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 */
HWTEST_F(FchdirApiTest, FchdirChangeFileDescriptorFail_0003, Function | MediumTest | Level2)112 HWTEST_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