63 lines · cpp
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-exception6//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 exist32 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 errno45 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't54 // 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