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Diffstat (limited to 'test/syscalls/linux/readahead.cc')
-rw-r--r-- | test/syscalls/linux/readahead.cc | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/test/syscalls/linux/readahead.cc b/test/syscalls/linux/readahead.cc deleted file mode 100644 index 04104c912..000000000 --- a/test/syscalls/linux/readahead.cc +++ /dev/null @@ -1,102 +0,0 @@ -// Copyright 2019 The gVisor Authors. -// -// 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 <errno.h> -#include <fcntl.h> - -#include "gtest/gtest.h" -#include "test/util/file_descriptor.h" -#include "test/util/socket_util.h" -#include "test/util/temp_path.h" -#include "test/util/test_util.h" - -namespace gvisor { -namespace testing { - -namespace { - -TEST(ReadaheadTest, InvalidFD) { - EXPECT_THAT(readahead(-1, 1, 1), SyscallFailsWithErrno(EBADF)); -} - -TEST(ReadaheadTest, UnsupportedFile) { - FileDescriptor sock = - ASSERT_NO_ERRNO_AND_VALUE(Socket(AF_UNIX, SOCK_STREAM, 0)); - ASSERT_THAT(readahead(sock.get(), 1, 1), SyscallFailsWithErrno(EINVAL)); -} - -TEST(ReadaheadTest, InvalidOffset) { - // This test is not valid for some Linux Kernels. - SKIP_IF(!IsRunningOnGvisor()); - const TempPath in_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile()); - const FileDescriptor fd = - ASSERT_NO_ERRNO_AND_VALUE(Open(in_file.path(), O_RDWR)); - EXPECT_THAT(readahead(fd.get(), -1, 1), SyscallFailsWithErrno(EINVAL)); -} - -TEST(ReadaheadTest, ValidOffset) { - constexpr char kData[] = "123"; - const TempPath in_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith( - GetAbsoluteTestTmpdir(), kData, TempPath::kDefaultFileMode)); - const FileDescriptor fd = - ASSERT_NO_ERRNO_AND_VALUE(Open(in_file.path(), O_RDWR)); - - // N.B. The implementation of readahead is filesystem-specific, and a file - // backed by ram may return EINVAL because there is nothing to be read. - EXPECT_THAT(readahead(fd.get(), 1, 1), AnyOf(SyscallSucceedsWithValue(0), - SyscallFailsWithErrno(EINVAL))); -} - -TEST(ReadaheadTest, PastEnd) { - constexpr char kData[] = "123"; - const TempPath in_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith( - GetAbsoluteTestTmpdir(), kData, TempPath::kDefaultFileMode)); - const FileDescriptor fd = - ASSERT_NO_ERRNO_AND_VALUE(Open(in_file.path(), O_RDWR)); - // See above. - EXPECT_THAT(readahead(fd.get(), 2, 2), AnyOf(SyscallSucceedsWithValue(0), - SyscallFailsWithErrno(EINVAL))); -} - -TEST(ReadaheadTest, CrossesEnd) { - constexpr char kData[] = "123"; - const TempPath in_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith( - GetAbsoluteTestTmpdir(), kData, TempPath::kDefaultFileMode)); - const FileDescriptor fd = - ASSERT_NO_ERRNO_AND_VALUE(Open(in_file.path(), O_RDWR)); - // See above. - EXPECT_THAT(readahead(fd.get(), 4, 2), AnyOf(SyscallSucceedsWithValue(0), - SyscallFailsWithErrno(EINVAL))); -} - -TEST(ReadaheadTest, WriteOnly) { - const TempPath in_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile()); - const FileDescriptor fd = - ASSERT_NO_ERRNO_AND_VALUE(Open(in_file.path(), O_WRONLY)); - EXPECT_THAT(readahead(fd.get(), 0, 1), SyscallFailsWithErrno(EBADF)); -} - -TEST(ReadaheadTest, InvalidSize) { - // This test is not valid on some Linux kernels. - SKIP_IF(!IsRunningOnGvisor()); - const TempPath in_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile()); - const FileDescriptor fd = - ASSERT_NO_ERRNO_AND_VALUE(Open(in_file.path(), O_RDWR)); - EXPECT_THAT(readahead(fd.get(), 0, -1), SyscallFailsWithErrno(EINVAL)); -} - -} // namespace - -} // namespace testing -} // namespace gvisor |