1 /*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18
19 #include <sys/statvfs.h>
20
21 #include <sys/types.h>
22 #include <sys/stat.h>
23 #include <fcntl.h>
24
25 #include <string>
26
Check(StatVfsT & sb)27 template <typename StatVfsT> void Check(StatVfsT& sb) {
28 EXPECT_EQ(4096U, sb.f_bsize);
29 EXPECT_EQ(0U, sb.f_bfree);
30 EXPECT_EQ(0U, sb.f_ffree);
31 EXPECT_EQ(0U, sb.f_fsid);
32 EXPECT_EQ(255U, sb.f_namemax);
33
34 // The kernel sets a private bit to indicate that f_flags is valid.
35 // This flag is not supposed to be exposed to libc clients.
36 static const uint32_t ST_VALID = 0x0020;
37 EXPECT_TRUE((sb.f_flag & ST_VALID) == 0) << sb.f_flag;
38 }
39
TEST(sys_statvfs,statvfs)40 TEST(sys_statvfs, statvfs) {
41 struct statvfs sb;
42 ASSERT_EQ(0, statvfs("/proc", &sb));
43 Check(sb);
44 }
45
TEST(sys_statvfs,statvfs64)46 TEST(sys_statvfs, statvfs64) {
47 struct statvfs64 sb;
48 ASSERT_EQ(0, statvfs64("/proc", &sb));
49 Check(sb);
50 }
51
TEST(sys_statvfs,fstatvfs)52 TEST(sys_statvfs, fstatvfs) {
53 struct statvfs sb;
54 int fd = open("/proc", O_RDONLY);
55 ASSERT_EQ(0, fstatvfs(fd, &sb));
56 close(fd);
57 Check(sb);
58 }
59
TEST(sys_statvfs,fstatvfs64)60 TEST(sys_statvfs, fstatvfs64) {
61 struct statvfs64 sb;
62 int fd = open("/proc", O_RDONLY);
63 ASSERT_EQ(0, fstatvfs64(fd, &sb));
64 close(fd);
65 Check(sb);
66 }
67