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-rw-r--r--test/syscalls/linux/dev.cc180
1 files changed, 0 insertions, 180 deletions
diff --git a/test/syscalls/linux/dev.cc b/test/syscalls/linux/dev.cc
deleted file mode 100644
index 1d0d584cd..000000000
--- a/test/syscalls/linux/dev.cc
+++ /dev/null
@@ -1,180 +0,0 @@
-// Copyright 2018 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 <fcntl.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <vector>
-
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include "test/util/file_descriptor.h"
-#include "test/util/test_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-TEST(DevTest, LseekDevUrandom) {
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/urandom", O_RDONLY));
- EXPECT_THAT(lseek(fd.get(), -10, SEEK_CUR), SyscallSucceeds());
- EXPECT_THAT(lseek(fd.get(), -10, SEEK_SET), SyscallSucceeds());
- EXPECT_THAT(lseek(fd.get(), 0, SEEK_CUR), SyscallSucceeds());
-}
-
-TEST(DevTest, LseekDevNull) {
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/null", O_RDONLY));
- EXPECT_THAT(lseek(fd.get(), -10, SEEK_CUR), SyscallSucceeds());
- EXPECT_THAT(lseek(fd.get(), -10, SEEK_SET), SyscallSucceeds());
- EXPECT_THAT(lseek(fd.get(), 0, SEEK_CUR), SyscallSucceeds());
- EXPECT_THAT(lseek(fd.get(), 0, SEEK_END), SyscallSucceeds());
-}
-
-TEST(DevTest, LseekDevZero) {
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/zero", O_RDONLY));
- EXPECT_THAT(lseek(fd.get(), 0, SEEK_CUR), SyscallSucceeds());
- EXPECT_THAT(lseek(fd.get(), 0, SEEK_END), SyscallSucceeds());
-}
-
-TEST(DevTest, LseekDevFull) {
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/full", O_RDONLY));
- EXPECT_THAT(lseek(fd.get(), 123, SEEK_SET), SyscallSucceedsWithValue(0));
- EXPECT_THAT(lseek(fd.get(), 123, SEEK_CUR), SyscallSucceedsWithValue(0));
- EXPECT_THAT(lseek(fd.get(), 123, SEEK_END), SyscallSucceedsWithValue(0));
-}
-
-TEST(DevTest, LseekDevNullFreshFile) {
- // Seeks to /dev/null always return 0.
- const FileDescriptor fd1 =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/null", O_RDONLY));
- const FileDescriptor fd2 =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/null", O_RDONLY));
-
- EXPECT_THAT(lseek(fd1.get(), 0, SEEK_CUR), SyscallSucceedsWithValue(0));
- EXPECT_THAT(lseek(fd1.get(), 1000, SEEK_CUR), SyscallSucceedsWithValue(0));
- EXPECT_THAT(lseek(fd2.get(), 0, SEEK_CUR), SyscallSucceedsWithValue(0));
-
- const FileDescriptor fd3 =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/null", O_RDONLY));
- EXPECT_THAT(lseek(fd3.get(), 0, SEEK_CUR), SyscallSucceedsWithValue(0));
-}
-
-TEST(DevTest, OpenTruncate) {
- // Truncation is ignored on linux and gvisor for device files.
- ASSERT_NO_ERRNO_AND_VALUE(
- Open("/dev/null", O_CREAT | O_TRUNC | O_WRONLY, 0644));
- ASSERT_NO_ERRNO_AND_VALUE(
- Open("/dev/zero", O_CREAT | O_TRUNC | O_WRONLY, 0644));
- ASSERT_NO_ERRNO_AND_VALUE(
- Open("/dev/full", O_CREAT | O_TRUNC | O_WRONLY, 0644));
-}
-
-TEST(DevTest, Pread64DevNull) {
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/null", O_RDONLY));
- char buf[1];
- EXPECT_THAT(pread64(fd.get(), buf, 1, 0), SyscallSucceedsWithValue(0));
-}
-
-TEST(DevTest, Pread64DevZero) {
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/zero", O_RDONLY));
- char buf[1];
- EXPECT_THAT(pread64(fd.get(), buf, 1, 0), SyscallSucceedsWithValue(1));
-}
-
-TEST(DevTest, Pread64DevFull) {
- // /dev/full behaves like /dev/zero with respect to reads.
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/full", O_RDONLY));
- char buf[1];
- EXPECT_THAT(pread64(fd.get(), buf, 1, 0), SyscallSucceedsWithValue(1));
-}
-
-TEST(DevTest, ReadDevNull) {
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/null", O_RDONLY));
- std::vector<char> buf(1);
- EXPECT_THAT(ReadFd(fd.get(), buf.data(), 1), SyscallSucceeds());
-}
-
-// Do not allow random save as it could lead to partial reads.
-TEST(DevTest, ReadDevZero_NoRandomSave) {
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/zero", O_RDONLY));
-
- constexpr int kReadSize = 128 * 1024;
- std::vector<char> buf(kReadSize, 1);
- EXPECT_THAT(ReadFd(fd.get(), buf.data(), kReadSize),
- SyscallSucceedsWithValue(kReadSize));
- EXPECT_EQ(std::vector<char>(kReadSize, 0), buf);
-}
-
-TEST(DevTest, WriteDevNull) {
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/null", O_WRONLY));
- EXPECT_THAT(WriteFd(fd.get(), "a", 1), SyscallSucceedsWithValue(1));
-}
-
-TEST(DevTest, WriteDevZero) {
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/zero", O_WRONLY));
- EXPECT_THAT(WriteFd(fd.get(), "a", 1), SyscallSucceedsWithValue(1));
-}
-
-TEST(DevTest, WriteDevFull) {
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/full", O_WRONLY));
- EXPECT_THAT(WriteFd(fd.get(), "a", 1), SyscallFailsWithErrno(ENOSPC));
-}
-
-TEST(DevTest, TTYExists) {
- struct stat statbuf = {};
- ASSERT_THAT(stat("/dev/tty", &statbuf), SyscallSucceeds());
- // Check that it's a character device with rw-rw-rw- permissions.
- EXPECT_EQ(statbuf.st_mode, S_IFCHR | 0666);
-}
-
-TEST(DevTest, OpenDevFuse) {
- // Note(gvisor.dev/issue/3076) This won't work in the sentry until the new
- // device registration is complete.
- SKIP_IF(IsRunningWithVFS1() || IsRunningOnGvisor() || !IsFUSEEnabled());
-
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/fuse", O_RDONLY));
-}
-
-TEST(DevTest, ReadDevFuseWithoutMount) {
- // Note(gvisor.dev/issue/3076) This won't work in the sentry until the new
- // device registration is complete.
- SKIP_IF(IsRunningWithVFS1() || IsRunningOnGvisor());
-
- const FileDescriptor fd =
- ASSERT_NO_ERRNO_AND_VALUE(Open("/dev/fuse", O_RDONLY));
-
- std::vector<char> buf(1);
- EXPECT_THAT(ReadFd(fd.get(), buf.data(), sizeof(buf)),
- SyscallFailsWithErrno(EPERM));
-}
-
-} // namespace
-} // namespace testing
-
-} // namespace gvisor