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 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 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