1 //===-- Unittests for statvfs ---------------------------------------------===//
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/macros/config.h"
11 #include "src/errno/libc_errno.h"
12 #include "src/sys/stat/mkdirat.h"
13 #include "src/sys/statvfs/statvfs.h"
14 #include "src/unistd/rmdir.h"
15 #include "test/UnitTest/ErrnoSetterMatcher.h"
16 #include "test/UnitTest/Test.h"
17
18 using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;
19
TEST(LlvmLibcSysStatvfsTest,StatvfsBasic)20 TEST(LlvmLibcSysStatvfsTest, StatvfsBasic) {
21 struct statvfs buf;
22 // The root of the file directory must always exist
23 ASSERT_THAT(LIBC_NAMESPACE::statvfs("/", &buf), Succeeds());
24 }
25
TEST(LlvmLibcSysStatvfsTest,StatvfsInvalidPath)26 TEST(LlvmLibcSysStatvfsTest, StatvfsInvalidPath) {
27 struct statvfs buf;
28
29 ASSERT_THAT(LIBC_NAMESPACE::statvfs("", &buf), Fails(ENOENT));
30
31 // create the file, assert it exists, then delete it and assert it doesn't
32 // exist anymore.
33 constexpr const char *FILENAME = "statvfs.testdir";
34 auto TEST_DIR = libc_make_test_file_path(FILENAME);
35
36 // Always delete the folder so that we start in a consistent state.
37 LIBC_NAMESPACE::rmdir(TEST_DIR);
38 LIBC_NAMESPACE::libc_errno = 0; // Reset errno
39
40 ASSERT_THAT(LIBC_NAMESPACE::mkdirat(AT_FDCWD, TEST_DIR, S_IRWXU),
41 Succeeds(0));
42
43 ASSERT_THAT(LIBC_NAMESPACE::statvfs(TEST_DIR, &buf), Succeeds());
44
45 ASSERT_THAT(LIBC_NAMESPACE::rmdir(TEST_DIR), Succeeds(0));
46
47 ASSERT_THAT(LIBC_NAMESPACE::statvfs(TEST_DIR, &buf), Fails(ENOENT));
48 }
49