1 files changed, 0 insertions, 229 deletions
diff --git a/test/syscalls/linux/dup.cc b/test/syscalls/linux/dup.cc
deleted file mode 100644
index 8f0974f45..000000000
--- a/test/syscalls/linux/dup.cc
+++ /dev/null
@@ -1,229 +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/resource.h>
-#include <unistd.h>
-
-#include "gtest/gtest.h"
-#include "absl/memory/memory.h"
-#include "test/util/eventfd_util.h"
-#include "test/util/file_descriptor.h"
-#include "test/util/fs_util.h"
-#include "test/util/posix_error.h"
-#include "test/util/temp_path.h"
-#include "test/util/test_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-PosixErrorOr<FileDescriptor> Dup2(const FileDescriptor& fd, int target_fd) {
-  int new_fd = dup2(fd.get(), target_fd);
-  if (new_fd < 0) {
-    return PosixError(errno, "Dup2");
-  }
-  return FileDescriptor(new_fd);
-}
-
-PosixErrorOr<FileDescriptor> Dup3(const FileDescriptor& fd, int target_fd,
-                                  int flags) {
-  int new_fd = dup3(fd.get(), target_fd, flags);
-  if (new_fd < 0) {
-    return PosixError(errno, "Dup2");
-  }
-  return FileDescriptor(new_fd);
-}
-
-TEST(DupTest, Dup) {
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_RDONLY));
-
-  // Dup the descriptor and make sure it's the same file.
-  FileDescriptor nfd = ASSERT_NO_ERRNO_AND_VALUE(fd.Dup());
-  ASSERT_NE(fd.get(), nfd.get());
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd));
-}
-
-TEST(DupTest, DupClearsCloExec) {
-  // Open an eventfd file descriptor with FD_CLOEXEC descriptor flag set.
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(NewEventFD(0, EFD_CLOEXEC));
-  EXPECT_THAT(fcntl(fd.get(), F_GETFD), SyscallSucceedsWithValue(FD_CLOEXEC));
-
-  // Duplicate the descriptor. Ensure that it doesn't have FD_CLOEXEC set.
-  FileDescriptor nfd = ASSERT_NO_ERRNO_AND_VALUE(fd.Dup());
-  ASSERT_NE(fd.get(), nfd.get());
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd));
-  EXPECT_THAT(fcntl(nfd.get(), F_GETFD), SyscallSucceedsWithValue(0));
-}
-
-TEST(DupTest, DupWithOpath) {
-  SKIP_IF(IsRunningWithVFS1());
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_PATH));
-  int flags;
-  ASSERT_THAT(flags = fcntl(fd.get(), F_GETFL), SyscallSucceeds());
-
-  // Dup the descriptor and make sure it's the same file.
-  FileDescriptor nfd = ASSERT_NO_ERRNO_AND_VALUE(fd.Dup());
-  ASSERT_NE(fd.get(), nfd.get());
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd));
-  EXPECT_THAT(fcntl(nfd.get(), F_GETFL), SyscallSucceedsWithValue(flags));
-}
-
-TEST(DupTest, Dup2) {
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_RDONLY));
-
-  // Regular dup once.
-  FileDescriptor nfd = ASSERT_NO_ERRNO_AND_VALUE(fd.Dup());
-
-  ASSERT_NE(fd.get(), nfd.get());
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd));
-
-  // Dup over the file above.
-  int target_fd = nfd.release();
-  FileDescriptor nfd2 = ASSERT_NO_ERRNO_AND_VALUE(Dup2(fd, target_fd));
-  EXPECT_EQ(target_fd, nfd2.get());
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd2));
-}
-
-TEST(DupTest, Rlimit) {
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_RDONLY));
-
-  struct rlimit rl = {};
-  EXPECT_THAT(getrlimit(RLIMIT_NOFILE, &rl), SyscallSucceeds());
-
-  ASSERT_THAT(setrlimit(RLIMIT_NOFILE, &rl), SyscallSucceeds());
-
-  constexpr int kFDLimit = 101;
-  // Create a file descriptor that will be above the limit.
-  FileDescriptor aboveLimitFD =
-      ASSERT_NO_ERRNO_AND_VALUE(Dup2(fd, kFDLimit * 2 - 1));
-
-  rl.rlim_cur = kFDLimit;
-  ASSERT_THAT(setrlimit(RLIMIT_NOFILE, &rl), SyscallSucceeds());
-  ASSERT_THAT(dup3(fd.get(), kFDLimit, 0), SyscallFails());
-
-  std::vector<std::unique_ptr<FileDescriptor>> fds;
-  int prev_fd = fd.get();
-  int used_fds = 0;
-  for (int i = 0; i < kFDLimit; ++i) {
-    int new_fd = dup(fd.get());
-    if (new_fd == -1) {
-      break;
-    }
-    auto f = absl::make_unique<FileDescriptor>(new_fd);
-    EXPECT_LT(new_fd, kFDLimit);
-    EXPECT_GT(new_fd, prev_fd);
-    // Check that all fds in (prev_fd, new_fd) are used.
-    for (int j = prev_fd + 1; j < new_fd; ++j) {
-      if (fcntl(j, F_GETFD) != -1) used_fds++;
-    }
-    prev_fd = new_fd;
-    fds.push_back(std::move(f));
-  }
-  EXPECT_EQ(fds.size() + used_fds, kFDLimit - fd.get() - 1);
-}
-
-TEST(DupTest, Dup2SameFD) {
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_RDONLY));
-
-  // Should succeed.
-  ASSERT_THAT(dup2(fd.get(), fd.get()), SyscallSucceedsWithValue(fd.get()));
-}
-
-TEST(DupTest, Dup2WithOpath) {
-  SKIP_IF(IsRunningWithVFS1());
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_PATH));
-  int flags;
-  ASSERT_THAT(flags = fcntl(fd.get(), F_GETFL), SyscallSucceeds());
-
-  // Regular dup once.
-  FileDescriptor nfd = ASSERT_NO_ERRNO_AND_VALUE(fd.Dup());
-
-  ASSERT_NE(fd.get(), nfd.get());
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd));
-  EXPECT_THAT(fcntl(nfd.get(), F_GETFL), SyscallSucceedsWithValue(flags));
-
-  // Dup over the file above.
-  int target_fd = nfd.release();
-  FileDescriptor nfd2 = ASSERT_NO_ERRNO_AND_VALUE(Dup2(fd, target_fd));
-  EXPECT_EQ(target_fd, nfd2.get());
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd2));
-  EXPECT_THAT(fcntl(nfd2.get(), F_GETFL), SyscallSucceedsWithValue(flags));
-}
-
-TEST(DupTest, Dup3) {
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_RDONLY));
-
-  // Regular dup once.
-  FileDescriptor nfd = ASSERT_NO_ERRNO_AND_VALUE(fd.Dup());
-  ASSERT_NE(fd.get(), nfd.get());
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd));
-
-  // Dup over the file above, check that it has no CLOEXEC.
-  nfd = ASSERT_NO_ERRNO_AND_VALUE(Dup3(fd, nfd.release(), 0));
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd));
-  EXPECT_THAT(fcntl(nfd.get(), F_GETFD), SyscallSucceedsWithValue(0));
-
-  // Dup over the file again, check that it does not CLOEXEC.
-  nfd = ASSERT_NO_ERRNO_AND_VALUE(Dup3(fd, nfd.release(), O_CLOEXEC));
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd));
-  EXPECT_THAT(fcntl(nfd.get(), F_GETFD), SyscallSucceedsWithValue(FD_CLOEXEC));
-}
-
-TEST(DupTest, Dup3FailsSameFD) {
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_RDONLY));
-
-  // Only dup3 fails if the new and old fd are the same.
-  ASSERT_THAT(dup3(fd.get(), fd.get(), 0), SyscallFailsWithErrno(EINVAL));
-}
-
-TEST(DupTest, Dup3WithOpath) {
-  SKIP_IF(IsRunningWithVFS1());
-  auto f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_PATH));
-  EXPECT_THAT(fcntl(fd.get(), F_GETFD), SyscallSucceedsWithValue(0));
-  int flags;
-  ASSERT_THAT(flags = fcntl(fd.get(), F_GETFL), SyscallSucceeds());
-
-  // Regular dup once.
-  FileDescriptor nfd = ASSERT_NO_ERRNO_AND_VALUE(fd.Dup());
-  ASSERT_NE(fd.get(), nfd.get());
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd));
-
-  // Dup over the file above, check that it has no CLOEXEC.
-  nfd = ASSERT_NO_ERRNO_AND_VALUE(Dup3(fd, nfd.release(), 0));
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd));
-  EXPECT_THAT(fcntl(nfd.get(), F_GETFD), SyscallSucceedsWithValue(0));
-  EXPECT_THAT(fcntl(nfd.get(), F_GETFL), SyscallSucceedsWithValue(flags));
-
-  // Dup over the file again, check that it does not CLOEXEC.
-  nfd = ASSERT_NO_ERRNO_AND_VALUE(Dup3(fd, nfd.release(), O_CLOEXEC));
-  ASSERT_NO_ERRNO(CheckSameFile(fd, nfd));
-  EXPECT_THAT(fcntl(nfd.get(), F_GETFD), SyscallSucceedsWithValue(FD_CLOEXEC));
-  EXPECT_THAT(fcntl(nfd.get(), F_GETFL), SyscallSucceedsWithValue(flags));
-}
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor