82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
// Copyright 2018 Google LLC
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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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#include <fcntl.h>
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#include <sys/statfs.h>
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#include <unistd.h>
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#include "gtest/gtest.h"
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#include "test/util/file_descriptor.h"
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#include "test/util/temp_path.h"
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#include "test/util/test_util.h"
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namespace gvisor {
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namespace testing {
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namespace {
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TEST(StatfsTest, CannotStatBadPath) {
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auto temp_file = NewTempAbsPathInDir("/tmp");
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struct statfs st;
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EXPECT_THAT(statfs(temp_file.c_str(), &st), SyscallFailsWithErrno(ENOENT));
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}
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TEST(StatfsTest, InternalTmpfs) {
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auto temp_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
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struct statfs st;
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EXPECT_THAT(statfs(temp_file.path().c_str(), &st), SyscallSucceeds());
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}
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TEST(StatfsTest, InternalDevShm) {
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struct statfs st;
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EXPECT_THAT(statfs("/dev/shm", &st), SyscallSucceeds());
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}
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TEST(StatfsTest, NameLen) {
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struct statfs st;
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EXPECT_THAT(statfs("/dev/shm", &st), SyscallSucceeds());
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EXPECT_EQ(st.f_namelen, NAME_MAX);
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}
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TEST(FstatfsTest, CannotStatBadFd) {
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struct statfs st;
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EXPECT_THAT(fstatfs(-1, &st), SyscallFailsWithErrno(EBADF));
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}
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TEST(FstatfsTest, InternalTmpfs) {
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auto temp_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
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const FileDescriptor fd =
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ASSERT_NO_ERRNO_AND_VALUE(Open(temp_file.path(), O_RDONLY));
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struct statfs st;
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EXPECT_THAT(fstatfs(fd.get(), &st), SyscallSucceeds());
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}
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TEST(FstatfsTest, InternalDevShm) {
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auto temp_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
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const FileDescriptor fd =
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ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/shm", O_RDONLY));
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struct statfs st;
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EXPECT_THAT(fstatfs(fd.get(), &st), SyscallSucceeds());
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}
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} // namespace
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} // namespace testing
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} // namespace gvisor
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