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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <sys/statvfs.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string>
template <typename StatVfsT> void Check(StatVfsT& sb) {
EXPECT_EQ(4096U, sb.f_bsize);
EXPECT_EQ(0U, sb.f_bfree);
EXPECT_EQ(0U, sb.f_ffree);
EXPECT_EQ(0U, sb.f_fsid);
EXPECT_EQ(255U, sb.f_namemax);
// The kernel sets a private bit to indicate that f_flags is valid.
// This flag is not supposed to be exposed to libc clients.
static const uint32_t ST_VALID = 0x0020;
EXPECT_TRUE((sb.f_flag & ST_VALID) == 0) << sb.f_flag;
}
TEST(sys_statvfs, statvfs) {
struct statvfs sb;
ASSERT_EQ(0, statvfs("/proc", &sb));
Check(sb);
}
TEST(sys_statvfs, statvfs64) {
struct statvfs64 sb;
ASSERT_EQ(0, statvfs64("/proc", &sb));
Check(sb);
}
TEST(sys_statvfs, fstatvfs) {
struct statvfs sb;
int fd = open("/proc", O_RDONLY);
ASSERT_EQ(0, fstatvfs(fd, &sb));
close(fd);
Check(sb);
}
TEST(sys_statvfs, fstatvfs64) {
struct statvfs64 sb;
int fd = open("/proc", O_RDONLY);
ASSERT_EQ(0, fstatvfs64(fd, &sb));
close(fd);
Check(sb);
}
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