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 <string>
19 #include <vector>
20 #include <fcntl.h>
21 #include <unistd.h>
22 #include <gtest/gtest.h>
23 #include <sys/stat.h>
24 #include <sys/types.h>
25 #include "securec.h"
26
27 using namespace testing::ext;
28 using namespace std;
29
30 class FtruncateApiTest : public testing::Test {
31 public:
32 static void SetUpTestCase();
33 static void TearDownTestCase();
34 void SetUp();
35 void TearDown();
36 private:
37 };
SetUp()38 void FtruncateApiTest::SetUp()
39 {
40 }
TearDown()41 void FtruncateApiTest::TearDown()
42 {
43 }
SetUpTestCase()44 void FtruncateApiTest::SetUpTestCase()
45 {
46 }
TearDownTestCase()47 void FtruncateApiTest::TearDownTestCase()
48 {
49 }
50
51 static const char* TEST_FILE = "/data/local/tmp/test.txt";
52
53 /*
54 * @tc.number : SUB_KERNEL_SYSCALL_FTRUNCATE_0100
55 * @tc.name : FtruncateModifyFileSizeSuccess_0001
56 * @tc.desc : modify file size to 50 success.
57 * @tc.size : MediumTest
58 * @tc.type : Function
59 * @tc.level : Level 1
60 */
HWTEST_F(FtruncateApiTest, FtruncateModifyFileSizeSuccess_0001, Function | MediumTest | Level1)61 HWTEST_F(FtruncateApiTest, FtruncateModifyFileSizeSuccess_0001, Function | MediumTest | Level1)
62 {
63 int ret;
64 int fd = -1;
65 off_t len = 50;
66 struct stat stat;
67
68 fd = open(TEST_FILE, O_WRONLY | O_CREAT, 0644);
69 EXPECT_TRUE(fd > 0);
70
71 ret = ftruncate(fd, len);
72 EXPECT_EQ(ret, 0);
73 ret = fstat(fd, &stat);
74 EXPECT_EQ(ret, 0);
75
76 // Check whether the file size is len
77 EXPECT_EQ(stat.st_size, len);
78
79 close(fd);
80 }
81
82 /*
83 * @tc.number : SUB_KERNEL_SYSCALL_FTRUNCATE_0200
84 * @tc.name : FtruncateUseInvalidFdFailed_0002
85 * @tc.desc : ftruncate modify illegal fd size failed, errno EBADF.
86 * @tc.size : MediumTest
87 * @tc.type : Function
88 * @tc.level : Level 2
89 */
HWTEST_F(FtruncateApiTest, FtruncateUseInvalidFdFailed_0002, Function | MediumTest | Level2)90 HWTEST_F(FtruncateApiTest, FtruncateUseInvalidFdFailed_0002, Function | MediumTest | Level2)
91 {
92 int ret;
93 off_t len = 20;
94 errno = 0;
95 ret = ftruncate(-1, len);
96 EXPECT_EQ(ret, -1);
97 EXPECT_EQ(errno, EBADF);
98 }