1 files changed, 0 insertions, 217 deletions
diff --git a/test/syscalls/linux/truncate.cc b/test/syscalls/linux/truncate.cc
deleted file mode 100644
index e5cc5d97c..000000000
--- a/test/syscalls/linux/truncate.cc
+++ /dev/null
@@ -1,217 +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 <errno.h>
-#include <signal.h>
-#include <sys/resource.h>
-#include <sys/stat.h>
-#include <sys/vfs.h>
-#include <time.h>
-#include <unistd.h>
-#include <iostream>
-#include <string>
-
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include "absl/strings/string_view.h"
-#include "test/syscalls/linux/file_base.h"
-#include "test/util/capability_util.h"
-#include "test/util/cleanup.h"
-#include "test/util/file_descriptor.h"
-#include "test/util/temp_path.h"
-#include "test/util/test_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-class FixtureTruncateTest : public FileTest {
-  void SetUp() override { FileTest::SetUp(); }
-};
-
-TEST_F(FixtureTruncateTest, Truncate) {
-  // Get the current rlimit and restore after test run.
-  struct rlimit initial_lim;
-  ASSERT_THAT(getrlimit(RLIMIT_FSIZE, &initial_lim), SyscallSucceeds());
-  auto cleanup = Cleanup([&initial_lim] {
-    EXPECT_THAT(setrlimit(RLIMIT_FSIZE, &initial_lim), SyscallSucceeds());
-  });
-
-  // Check that it starts at size zero.
-  struct stat buf;
-  ASSERT_THAT(fstat(test_file_fd_.get(), &buf), SyscallSucceeds());
-  EXPECT_EQ(buf.st_size, 0);
-
-  // Stay at size zero.
-  EXPECT_THAT(truncate(test_file_name_.c_str(), 0), SyscallSucceeds());
-  ASSERT_THAT(fstat(test_file_fd_.get(), &buf), SyscallSucceeds());
-  EXPECT_EQ(buf.st_size, 0);
-
-  // Grow to ten bytes.
-  EXPECT_THAT(truncate(test_file_name_.c_str(), 10), SyscallSucceeds());
-  ASSERT_THAT(fstat(test_file_fd_.get(), &buf), SyscallSucceeds());
-  EXPECT_EQ(buf.st_size, 10);
-
-  // Can't be truncated to a negative number.
-  EXPECT_THAT(truncate(test_file_name_.c_str(), -1),
-              SyscallFailsWithErrno(EINVAL));
-
-  // Try growing past the file size limit.
-  sigset_t new_mask;
-  sigemptyset(&new_mask);
-  sigaddset(&new_mask, SIGXFSZ);
-  sigprocmask(SIG_BLOCK, &new_mask, nullptr);
-  struct timespec timelimit;
-  timelimit.tv_sec = 10;
-  timelimit.tv_nsec = 0;
-
-  struct rlimit setlim;
-  setlim.rlim_cur = 1024;
-  setlim.rlim_max = RLIM_INFINITY;
-  ASSERT_THAT(setrlimit(RLIMIT_FSIZE, &setlim), SyscallSucceeds());
-  EXPECT_THAT(truncate(test_file_name_.c_str(), 1025),
-              SyscallFailsWithErrno(EFBIG));
-  EXPECT_EQ(sigtimedwait(&new_mask, nullptr, &timelimit), SIGXFSZ);
-  ASSERT_THAT(sigprocmask(SIG_UNBLOCK, &new_mask, nullptr), SyscallSucceeds());
-
-  // Shrink back down to zero.
-  EXPECT_THAT(truncate(test_file_name_.c_str(), 0), SyscallSucceeds());
-  ASSERT_THAT(fstat(test_file_fd_.get(), &buf), SyscallSucceeds());
-  EXPECT_EQ(buf.st_size, 0);
-}
-
-TEST_F(FixtureTruncateTest, Ftruncate) {
-  // Get the current rlimit and restore after test run.
-  struct rlimit initial_lim;
-  ASSERT_THAT(getrlimit(RLIMIT_FSIZE, &initial_lim), SyscallSucceeds());
-  auto cleanup = Cleanup([&initial_lim] {
-    EXPECT_THAT(setrlimit(RLIMIT_FSIZE, &initial_lim), SyscallSucceeds());
-  });
-
-  // Check that it starts at size zero.
-  struct stat buf;
-  ASSERT_THAT(fstat(test_file_fd_.get(), &buf), SyscallSucceeds());
-  EXPECT_EQ(buf.st_size, 0);
-
-  // Stay at size zero.
-  EXPECT_THAT(ftruncate(test_file_fd_.get(), 0), SyscallSucceeds());
-  ASSERT_THAT(fstat(test_file_fd_.get(), &buf), SyscallSucceeds());
-  EXPECT_EQ(buf.st_size, 0);
-
-  // Grow to ten bytes.
-  EXPECT_THAT(ftruncate(test_file_fd_.get(), 10), SyscallSucceeds());
-  ASSERT_THAT(fstat(test_file_fd_.get(), &buf), SyscallSucceeds());
-  EXPECT_EQ(buf.st_size, 10);
-
-  // Can't be truncated to a negative number.
-  EXPECT_THAT(ftruncate(test_file_fd_.get(), -1),
-              SyscallFailsWithErrno(EINVAL));
-
-  // Try growing past the file size limit.
-  sigset_t new_mask;
-  sigemptyset(&new_mask);
-  sigaddset(&new_mask, SIGXFSZ);
-  sigprocmask(SIG_BLOCK, &new_mask, nullptr);
-  struct timespec timelimit;
-  timelimit.tv_sec = 10;
-  timelimit.tv_nsec = 0;
-
-  struct rlimit setlim;
-  setlim.rlim_cur = 1024;
-  setlim.rlim_max = RLIM_INFINITY;
-  ASSERT_THAT(setrlimit(RLIMIT_FSIZE, &setlim), SyscallSucceeds());
-  EXPECT_THAT(ftruncate(test_file_fd_.get(), 1025),
-              SyscallFailsWithErrno(EFBIG));
-  EXPECT_EQ(sigtimedwait(&new_mask, nullptr, &timelimit), SIGXFSZ);
-  ASSERT_THAT(sigprocmask(SIG_UNBLOCK, &new_mask, nullptr), SyscallSucceeds());
-
-  // Shrink back down to zero.
-  EXPECT_THAT(ftruncate(test_file_fd_.get(), 0), SyscallSucceeds());
-  ASSERT_THAT(fstat(test_file_fd_.get(), &buf), SyscallSucceeds());
-  EXPECT_EQ(buf.st_size, 0);
-}
-
-// Truncating a file down clears that portion of the file.
-TEST_F(FixtureTruncateTest, FtruncateShrinkGrow) {
-  std::vector<char> buf(10, 'a');
-  EXPECT_THAT(WriteFd(test_file_fd_.get(), buf.data(), buf.size()),
-              SyscallSucceedsWithValue(buf.size()));
-
-  // Shrink then regrow the file. This should clear the second half of the file.
-  EXPECT_THAT(ftruncate(test_file_fd_.get(), 5), SyscallSucceeds());
-  EXPECT_THAT(ftruncate(test_file_fd_.get(), 10), SyscallSucceeds());
-
-  EXPECT_THAT(lseek(test_file_fd_.get(), 0, SEEK_SET), SyscallSucceeds());
-
-  std::vector<char> buf2(10);
-  EXPECT_THAT(ReadFd(test_file_fd_.get(), buf2.data(), buf2.size()),
-              SyscallSucceedsWithValue(buf2.size()));
-
-  std::vector<char> expect = {'a',  'a',  'a',  'a',  'a',
-                              '\0', '\0', '\0', '\0', '\0'};
-  EXPECT_EQ(expect, buf2);
-}
-
-TEST(TruncateTest, TruncateDir) {
-  auto temp_dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  EXPECT_THAT(truncate(temp_dir.path().c_str(), 0),
-              SyscallFailsWithErrno(EISDIR));
-}
-
-TEST(TruncateTest, FtruncateDir) {
-  auto temp_dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
-  const FileDescriptor fd =
-      ASSERT_NO_ERRNO_AND_VALUE(Open(temp_dir.path(), O_DIRECTORY | O_RDONLY));
-  EXPECT_THAT(ftruncate(fd.get(), 0), SyscallFailsWithErrno(EINVAL));
-}
-
-TEST(TruncateTest, TruncateNonWriteable) {
-  // Make sure we don't have CAP_DAC_OVERRIDE, since that allows the user to
-  // always override write permissions.
-  ASSERT_NO_ERRNO(SetCapability(CAP_DAC_OVERRIDE, false));
-  auto temp_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
-      GetAbsoluteTestTmpdir(), absl::string_view(), 0555 /* mode */));
-  EXPECT_THAT(truncate(temp_file.path().c_str(), 0),
-              SyscallFailsWithErrno(EACCES));
-}
-
-TEST(TruncateTest, FtruncateNonWriteable) {
-  auto temp_file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
-      GetAbsoluteTestTmpdir(), absl::string_view(), 0555 /* mode */));
-  const FileDescriptor fd =
-      ASSERT_NO_ERRNO_AND_VALUE(Open(temp_file.path(), O_RDONLY));
-  EXPECT_THAT(ftruncate(fd.get(), 0), SyscallFailsWithErrno(EINVAL));
-}
-
-TEST(TruncateTest, TruncateNonExist) {
-  EXPECT_THAT(truncate("/foo/bar", 0), SyscallFailsWithErrno(ENOENT));
-}
-
-TEST(TruncateTest, FtruncateVirtualTmp_NoRandomSave) {
-  auto temp_file = NewTempAbsPathInDir("/dev/shm");
-  const DisableSave ds;  // Incompatible permissions.
-  const FileDescriptor fd =
-      ASSERT_NO_ERRNO_AND_VALUE(Open(temp_file, O_RDWR | O_CREAT | O_EXCL, 0));
-  EXPECT_THAT(ftruncate(fd.get(), 100), SyscallSucceeds());
-}
-
-// NOTE: There are additional truncate(2)/ftruncate(2) tests in mknod.cc
-// which are there to avoid running the tests on a number of different
-// filesystems which may not support mknod.
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor