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 <fcntl.h>
17#include <sys/stat.h>
18#include "functionalext.h"
19
20#define TEST_LEN 10
21
22/**
23 * @tc.name      : posix_fallocate_0100
24 * @tc.desc      : Allocate a specified amount of storage space for a file
25 * @tc.level     : Level 0
26 */
27void posix_fallocate_0100(void)
28{
29    struct stat sb;
30    FILE *fp = tmpfile();
31    if (!fp) {
32        EXPECT_PTRNE("posix_fallocate_0100", fp, NULL);
33        return;
34    }
35
36    int fd = fileno(fp);
37    EXPECT_TRUE("posix_fallocate_0100", fd != -1);
38    if (fd == -1) {
39        fclose(fp);
40        return;
41    }
42    int ret = posix_fallocate(fd, 0, TEST_LEN);
43    EXPECT_EQ("posix_fallocate_0100", ret, 0);
44    ret = fstat(fd, &sb);
45    EXPECT_EQ("posix_fallocate_0100", ret, 0);
46    EXPECT_EQ("posix_fallocate_0100", sb.st_size, TEST_LEN);
47    ret = fclose(fp);
48    EXPECT_EQ("posix_fallocate_0100", ret, 0);
49}
50
51/**
52 * @tc.name      : posix_fallocate_0200
53 * @tc.desc      : Allocate -1 byte of storage for the file
54 * @tc.level     : Level 2
55 */
56void posix_fallocate_0200(void)
57{
58    FILE *fp = tmpfile();
59    if (!fp) {
60        EXPECT_PTRNE("posix_fallocate_0200", fp, NULL);
61        return;
62    }
63
64    int fd = fileno(fp);
65    EXPECT_TRUE("posix_fallocate_0200", fd != -1);
66    if (fd == -1) {
67        fclose(fp);
68        return;
69    }
70    int ret = posix_fallocate(fd, 0, -1);
71    EXPECT_EQ("posix_fallocate_0200", ret, EINVAL);
72    ret = fclose(fp);
73    EXPECT_EQ("posix_fallocate_0200", ret, 0);
74}
75
76/**
77 * @tc.name      : posix_fallocate_0300
78 * @tc.desc      : At file offset -1 byte, allocate 10 bytes of storage for the file
79 * @tc.level     : Level 2
80 */
81void posix_fallocate_0300(void)
82{
83    FILE *fp = tmpfile();
84    if (!fp) {
85        EXPECT_PTRNE("posix_fallocate_0300", fp, NULL);
86        return;
87    }
88
89    int fd = fileno(fp);
90    EXPECT_TRUE("posix_fallocate_0300", fd != -1);
91    if (fd == -1) {
92        fclose(fp);
93        return;
94    }
95    int ret = posix_fallocate(fd, -1, TEST_LEN);
96    EXPECT_EQ("posix_fallocate_0300", ret, EINVAL);
97    ret = fclose(fp);
98    EXPECT_EQ("posix_fallocate_0300", ret, 0);
99}
100
101/**
102 * @tc.name      : posix_fallocate_0400
103 * @tc.desc      : Bad file handle provided, allocating 10 bytes of storage for file
104 * @tc.level     : Level 2
105 */
106void posix_fallocate_0400(void)
107{
108    int ret = posix_fallocate(-1, 0, TEST_LEN);
109    EXPECT_EQ("posix_fallocate_0400", ret, EBADF);
110}
111
112int main(void)
113{
114    posix_fallocate_0100();
115    posix_fallocate_0200();
116    posix_fallocate_0300();
117    posix_fallocate_0400();
118    return t_status;
119}