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/macros/config.h" 11 #include "src/fcntl/open.h" 12 #include "src/sys/stat/mkdirat.h" 13 #include "src/sys/statvfs/fstatvfs.h" 14 #include "src/unistd/close.h" 15 #include "src/unistd/rmdir.h" 16 #include "test/UnitTest/ErrnoSetterMatcher.h" 17 #include "test/UnitTest/Test.h" 18 19 using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher; 20 21 TEST(LlvmLibcSysFStatvfsTest, FStatvfsBasic) { 22 struct statvfs buf; 23 24 int fd = LIBC_NAMESPACE::open("/", O_PATH); 25 ASSERT_ERRNO_SUCCESS(); 26 ASSERT_GT(fd, 0); 27 28 // The root of the file directory must always exist 29 ASSERT_THAT(LIBC_NAMESPACE::fstatvfs(fd, &buf), Succeeds()); 30 ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0)); 31 } 32 33 TEST(LlvmLibcSysFStatvfsTest, FStatvfsInvalidPath) { 34 struct statvfs buf; 35 36 constexpr const char *FILENAME = "fstatvfs.testdir"; 37 auto TEST_DIR = libc_make_test_file_path(FILENAME); 38 39 // Always delete the folder so that we start in a consistent state. 40 LIBC_NAMESPACE::rmdir(TEST_DIR); 41 LIBC_NAMESPACE::libc_errno = 0; // Reset errno 42 43 ASSERT_THAT(LIBC_NAMESPACE::mkdirat(AT_FDCWD, TEST_DIR, S_IRWXU), 44 Succeeds(0)); 45 46 int fd = LIBC_NAMESPACE::open(TEST_DIR, O_PATH); 47 ASSERT_ERRNO_SUCCESS(); 48 ASSERT_GT(fd, 0); 49 50 // create the file, assert it exists, then delete it and assert it doesn't 51 // exist anymore. 52 53 ASSERT_THAT(LIBC_NAMESPACE::fstatvfs(fd, &buf), Succeeds()); 54 ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0)); 55 56 ASSERT_THAT(LIBC_NAMESPACE::rmdir(TEST_DIR), Succeeds(0)); 57 58 ASSERT_THAT(LIBC_NAMESPACE::fstatvfs(fd, &buf), Fails(EBADF)); 59 } 60