1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <gtest/gtest.h> 18 19 #include <sys/statvfs.h> 20 21 #include <sys/types.h> 22 #include <sys/stat.h> 23 #include <fcntl.h> 24 25 #include <string> 26 27 template <typename StatVfsT> void Check(StatVfsT& sb) { 28 EXPECT_EQ(4096U, sb.f_bsize); 29 EXPECT_EQ(0U, sb.f_bfree); 30 EXPECT_EQ(0U, sb.f_ffree); 31 EXPECT_EQ(0U, sb.f_fsid); 32 EXPECT_EQ(255U, sb.f_namemax); 33 34 // The kernel sets a private bit to indicate that f_flags is valid. 35 // This flag is not supposed to be exposed to libc clients. 36 static const uint32_t ST_VALID = 0x0020; 37 EXPECT_TRUE((sb.f_flag & ST_VALID) == 0) << sb.f_flag; 38 } 39 40 TEST(sys_statvfs, statvfs) { 41 struct statvfs sb; 42 ASSERT_EQ(0, statvfs("/proc", &sb)); 43 Check(sb); 44 } 45 46 TEST(sys_statvfs, statvfs64) { 47 struct statvfs64 sb; 48 ASSERT_EQ(0, statvfs64("/proc", &sb)); 49 Check(sb); 50 } 51 52 TEST(sys_statvfs, fstatvfs) { 53 struct statvfs sb; 54 int fd = open("/proc", O_RDONLY); 55 ASSERT_EQ(0, fstatvfs(fd, &sb)); 56 close(fd); 57 Check(sb); 58 } 59 60 TEST(sys_statvfs, fstatvfs64) { 61 struct statvfs64 sb; 62 int fd = open("/proc", O_RDONLY); 63 ASSERT_EQ(0, fstatvfs64(fd, &sb)); 64 close(fd); 65 Check(sb); 66 } 67
