1//===-- Unittests for fstatvfs --------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "hdr/fcntl_macros.h"
10#include "src/__support/libc_errno.h"
11#include "src/__support/macros/config.h"
12#include "src/fcntl/open.h"
13#include "src/sys/stat/mkdirat.h"
14#include "src/sys/statvfs/fstatvfs.h"
15#include "src/unistd/close.h"
16#include "src/unistd/rmdir.h"
17#include "test/UnitTest/ErrnoCheckingTest.h"
18#include "test/UnitTest/ErrnoSetterMatcher.h"
19#include "test/UnitTest/Test.h"
20
21using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;
22using LlvmLibcSysFStatvfsTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
23
24TEST_F(LlvmLibcSysFStatvfsTest, FStatvfsBasic) {
25 struct statvfs buf;
26
27 int fd = LIBC_NAMESPACE::open("/", O_PATH);
28 ASSERT_ERRNO_SUCCESS();
29 ASSERT_GT(fd, 0);
30
31 // The root of the file directory must always exist
32 ASSERT_THAT(LIBC_NAMESPACE::fstatvfs(fd, &buf), Succeeds());
33 ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
34}
35
36TEST_F(LlvmLibcSysFStatvfsTest, FStatvfsInvalidPath) {
37 struct statvfs buf;
38
39 constexpr const char *FILENAME = "fstatvfs.testdir";
40 auto TEST_DIR = libc_make_test_file_path(FILENAME);
41
42 // Always delete the folder so that we start in a consistent state.
43 LIBC_NAMESPACE::rmdir(TEST_DIR);
44 libc_errno = 0; // Reset errno
45
46 ASSERT_THAT(LIBC_NAMESPACE::mkdirat(AT_FDCWD, TEST_DIR, S_IRWXU),
47 Succeeds(0));
48
49 int fd = LIBC_NAMESPACE::open(TEST_DIR, O_PATH);
50 ASSERT_ERRNO_SUCCESS();
51 ASSERT_GT(fd, 0);
52
53 // create the file, assert it exists, then delete it and assert it doesn't
54 // exist anymore.
55
56 ASSERT_THAT(LIBC_NAMESPACE::fstatvfs(fd, &buf), Succeeds());
57 ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
58
59 ASSERT_THAT(LIBC_NAMESPACE::rmdir(TEST_DIR), Succeeds(0));
60
61 ASSERT_THAT(LIBC_NAMESPACE::fstatvfs(fd, &buf), Fails(EBADF));
62}
63

source code of libc/test/src/sys/statvfs/linux/fstatvfs_test.cpp