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 <cerrno>
17 #include <cstdio>
18 #include <cstdlib>
19 #include <string>
20 #include <vector>
21 #include <fcntl.h>
22 #include <unistd.h>
23 #include <arpa/inet.h>
24 #include <gtest/gtest.h>
25 #include <netinet/in.h>
26 #include <sys/stat.h>
27 #include <sys/socket.h>
28 #include <sys/types.h>
29
30 using namespace testing::ext;
31
32 class HatsWriteTest : public testing::Test {
33 public:
34 static void SetUpTestCase();
35 static void TearDownTestCase();
36 void SetUp();
37 void TearDown();
38 private:
39 };
SetUp()40 void HatsWriteTest::SetUp()
41 {
42 }
TearDown()43 void HatsWriteTest::TearDown()
44 {
45 }
SetUpTestCase()46 void HatsWriteTest::SetUpTestCase()
47 {
48 }
TearDownTestCase()49 void HatsWriteTest::TearDownTestCase()
50 {
51 }
52
53 static const char *WRITE_TEST_FILE = "/data/local/tmp/tryWrite.txt";
54 static const char *TEST_DATA = "Hello write!";
55 static const int TEST_DATA_LEN = strlen(TEST_DATA);
56
57 /*
58 * @tc.number : SUB_KERNEL_SYSCALL_WRITE_0100
59 * @tc.name : WriteDataToFileSuccess_0001
60 * @tc.desc : write data to file success.
61 * @tc.size : MediumTest
62 * @tc.type : Function
63 * @tc.level : Level 1
64 */
65 HWTEST_F(HatsWriteTest, WriteDataToFileSuccess_0001, Function | MediumTest | Level1)
66 {
67 int ret;
68 int fd;
69 char *buf = nullptr;
70 buf = new char[TEST_DATA_LEN + 1];
71
72 fd = open(WRITE_TEST_FILE, O_WRONLY | O_CREAT | O_TRUNC, 0644);
73 EXPECT_TRUE(fd >= 3);
74
75 ret = write(fd, TEST_DATA, TEST_DATA_LEN);
76 EXPECT_TRUE(ret == TEST_DATA_LEN);
77 close(fd);
78
79 fd = open(WRITE_TEST_FILE, O_RDONLY);
80 EXPECT_TRUE(fd >= 3);
81 ret = read(fd, buf, TEST_DATA_LEN);
82 close(fd);
83 buf[TEST_DATA_LEN] = '\0';
84 ret = strcmp(buf, TEST_DATA);
85 EXPECT_TRUE(ret == 0);
86
87 remove(WRITE_TEST_FILE);
88 }
89
90 /*
91 * @tc.number : SUB_KERNEL_SYSCALL_WRITE_0200
92 * @tc.name : WriteInvalidFdFail_0002
93 * @tc.desc : write to invalid fd fail.
94 * @tc.size : MediumTest
95 * @tc.type : Function
96 * @tc.level : Level 2
97 */
98 HWTEST_F(HatsWriteTest, WriteInvalidFdFail_0002, Function | MediumTest | Level2)
99 {
100 int ret;
101 int fd;
102 int pipefd[2];
103
104 fd = -1;
105 errno = 0;
106 ret = write(fd, TEST_DATA, TEST_DATA_LEN);
107 EXPECT_TRUE(ret == -1);
108 EXPECT_EQ(errno, EBADF);
109
110 ret = pipe(pipefd);
111 EXPECT_TRUE(ret == 0);
112 errno = 0;
113 ret = write(pipefd[0], TEST_DATA, TEST_DATA_LEN);
114 EXPECT_TRUE(ret == -1);
115 EXPECT_EQ(errno, EBADF);
116 close(pipefd[0]);
117 close(pipefd[1]);
118 }
119
120 /*
121 * @tc.number : SUB_KERNEL_SYSCALL_WRITE_0300
122 * @tc.name : WriteFdIsNotOpenForWriteFail_0003
123 * @tc.desc : write fd is not open for write fail.
124 * @tc.size : MediumTest
125 * @tc.type : Function
126 * @tc.level : Level 2
127 */
128 HWTEST_F(HatsWriteTest, WriteFdIsNotOpenForWriteFail_0003, Function | MediumTest | Level2)
129 {
130 int ret;
131 int fd;
132
133 fd = open(WRITE_TEST_FILE, O_RDONLY | O_CREAT | O_TRUNC, 0644);
134 EXPECT_TRUE(fd >= 3);
135
136 errno = 0;
137 ret = write(fd, TEST_DATA, TEST_DATA_LEN);
138 EXPECT_TRUE(ret == -1);
139 EXPECT_EQ(errno, EBADF);
140 close(fd);
141
142 fd = open(WRITE_TEST_FILE, O_APPEND | O_CREAT | O_TRUNC, 0644);
143 EXPECT_TRUE(fd >= 3);
144
145 errno = 0;
146 ret = write(fd, TEST_DATA, TEST_DATA_LEN);
147 EXPECT_TRUE(ret == -1);
148 EXPECT_EQ(errno, EBADF);
149 close(fd);
150 remove(WRITE_TEST_FILE);
151 }
152
153 /*
154 * @tc.number : SUB_KERNEL_SYSCALL_WRITE_0400
155 * @tc.name : WriteEmptyDataToFileSuccess_0004
156 * @tc.desc : write empty data to file success.
157 * @tc.size : MediumTest
158 * @tc.type : Function
159 * @tc.level : Level 1
160 */
161 HWTEST_F(HatsWriteTest, WriteEmptyDataToFileSuccess_0004, Function | MediumTest | Level1)
162 {
163 int ret;
164 int fd;
165
166 fd = open(WRITE_TEST_FILE, O_WRONLY | O_CREAT | O_TRUNC, 0644);
167 EXPECT_TRUE(fd >= 3);
168
169 ret = write(fd, "", 0);
170 EXPECT_TRUE(ret == 0);
171 close(fd);
172 remove(WRITE_TEST_FILE);
173 }
174
175 /*
176 * @tc.number : SUB_KERNEL_SYSCALL_WRITE_0500
177 * @tc.name : WriteDataToPipeSuccess_0005
178 * @tc.desc : Write data to pipe success.
179 * @tc.size : MediumTest
180 * @tc.type : Function
181 * @tc.level : Level 1
182 */
183 HWTEST_F(HatsWriteTest, WriteDataToPipeSuccess_0005, Function | MediumTest | Level1)
184 {
185 int pipefd[2];
186 int ret;
187 char *buf = nullptr;
188 buf = new char[TEST_DATA_LEN + 1];
189
190 ret = pipe(pipefd);
191 EXPECT_TRUE(ret == 0);
192 ret = write(pipefd[1], TEST_DATA, TEST_DATA_LEN);
193 EXPECT_TRUE(ret == TEST_DATA_LEN);
194
195 ret = read(pipefd[0], buf, TEST_DATA_LEN);
196 EXPECT_TRUE(ret == TEST_DATA_LEN);
197 buf[TEST_DATA_LEN] = '\0';
198 ret = strcmp(buf, TEST_DATA);
199 EXPECT_TRUE(ret == 0);
200
201 close(pipefd[0]);
202 close(pipefd[1]);
203 }
204