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
27template <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
40TEST(sys_statvfs, statvfs) {
41  struct statvfs sb;
42  ASSERT_EQ(0, statvfs("/proc", &sb));
43  Check(sb);
44}
45
46TEST(sys_statvfs, statvfs64) {
47  struct statvfs64 sb;
48  ASSERT_EQ(0, statvfs64("/proc", &sb));
49  Check(sb);
50}
51
52TEST(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
60TEST(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