7cebf835f3
Mostly from extra test cases, but also: * Move the fgets size < 0 assertion into fgets. * Use ELF aliases for strtoq/strtouq rather than duplicating code. * Don't check uname() succeeded, since it can't fail. Test: treehugger Change-Id: I2e6b3b88b0a3eb16bd68be68b9bc9f40d8043291
95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include <sys/vfs.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string>
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template <typename StatFsT> void Check(StatFsT& sb) {
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EXPECT_EQ(4096, static_cast<int>(sb.f_bsize));
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EXPECT_EQ(0U, sb.f_bfree);
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EXPECT_EQ(0U, sb.f_ffree);
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EXPECT_EQ(0, sb.f_fsid.__val[0]);
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EXPECT_EQ(0, sb.f_fsid.__val[1]);
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EXPECT_EQ(255, static_cast<int>(sb.f_namelen));
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// The kernel sets a private bit to indicate that f_flags is valid.
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// This flag is not supposed to be exposed to libc clients.
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static const uint32_t ST_VALID = 0x0020;
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EXPECT_TRUE((sb.f_flags & ST_VALID) == 0) << sb.f_flags;
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}
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TEST(sys_vfs, statfs) {
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struct statfs sb;
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ASSERT_EQ(0, statfs("/proc", &sb));
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Check(sb);
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}
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TEST(sys_vfs, statfs_failure) {
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struct statfs sb;
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errno = 0;
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ASSERT_EQ(-1, statfs("/does-not-exist", &sb));
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ASSERT_EQ(ENOENT, errno);
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}
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TEST(sys_vfs, statfs64) {
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struct statfs64 sb;
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ASSERT_EQ(0, statfs64("/proc", &sb));
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Check(sb);
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}
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TEST(sys_vfs, statfs64_failure) {
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struct statfs64 sb;
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errno = 0;
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ASSERT_EQ(-1, statfs64("/does-not-exist", &sb));
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ASSERT_EQ(ENOENT, errno);
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}
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TEST(sys_vfs, fstatfs) {
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struct statfs sb;
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int fd = open("/proc", O_RDONLY);
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ASSERT_EQ(0, fstatfs(fd, &sb));
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close(fd);
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Check(sb);
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}
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TEST(sys_vfs, fstatfs_failure) {
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struct statfs sb;
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errno = 0;
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ASSERT_EQ(-1, fstatfs(-1, &sb));
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ASSERT_EQ(EBADF, errno);
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}
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TEST(sys_vfs, fstatfs64) {
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struct statfs64 sb;
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int fd = open("/proc", O_RDONLY);
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ASSERT_EQ(0, fstatfs64(fd, &sb));
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close(fd);
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Check(sb);
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}
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TEST(sys_vfs, fstatfs64_failure) {
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struct statfs sb;
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errno = 0;
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ASSERT_EQ(-1, fstatfs(-1, &sb));
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ASSERT_EQ(EBADF, errno);
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}
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