1 files changed, 0 insertions, 151 deletions
diff --git a/test/syscalls/linux/msync.cc b/test/syscalls/linux/msync.cc
deleted file mode 100644
index 2b2b6aef9..000000000
--- a/test/syscalls/linux/msync.cc
+++ /dev/null
@@ -1,151 +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 <sys/mman.h>
-#include <unistd.h>
-
-#include <functional>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "test/util/file_descriptor.h"
-#include "test/util/memory_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 {
-
-// Parameters for msync tests. Use a std::tuple so we can use
-// ::testing::Combine.
-using MsyncTestParam =
-    std::tuple<int,                                    // msync flags
-               std::function<PosixErrorOr<Mapping>()>  // returns mapping to
-                                                       // msync
-               >;
-
-class MsyncParameterizedTest : public ::testing::TestWithParam<MsyncTestParam> {
- protected:
-  int msync_flags() const { return std::get<0>(GetParam()); }
-
-  PosixErrorOr<Mapping> GetMapping() const { return std::get<1>(GetParam())(); }
-};
-
-// All valid msync(2) flag combinations, not including MS_INVALIDATE. ("Linux
-// permits a call to msync() that specifies neither [MS_SYNC or MS_ASYNC], with
-// semantics that are (currently) equivalent to specifying MS_ASYNC." -
-// msync(2))
-constexpr std::initializer_list<int> kMsyncFlags = {MS_SYNC, MS_ASYNC, 0};
-
-// Returns functions that return mappings that should be successfully
-// msync()able.
-std::vector<std::function<PosixErrorOr<Mapping>()>> SyncableMappings() {
-  std::vector<std::function<PosixErrorOr<Mapping>()>> funcs;
-  for (bool const writable : {false, true}) {
-    for (int const mflags : {MAP_PRIVATE, MAP_SHARED}) {
-      int const prot = PROT_READ | (writable ? PROT_WRITE : 0);
-      int const oflags = O_CREAT | (writable ? O_RDWR : O_RDONLY);
-      funcs.push_back([=] { return MmapAnon(kPageSize, prot, mflags); });
-      funcs.push_back([=]() -> PosixErrorOr<Mapping> {
-        std::string const path = NewTempAbsPath();
-        ASSIGN_OR_RETURN_ERRNO(auto fd, Open(path, oflags, 0644));
-        // Don't unlink the file since that breaks save/restore. Just let the
-        // test infrastructure clean up all of our temporary files when we're
-        // done.
-        return Mmap(nullptr, kPageSize, prot, mflags, fd.get(), 0);
-      });
-    }
-  }
-  return funcs;
-}
-
-PosixErrorOr<Mapping> NoMappings() {
-  return PosixError(EINVAL, "unexpected attempt to create a mapping");
-}
-
-// "Fixture" for msync tests that hold for all valid flags, but do not create
-// mappings.
-using MsyncNoMappingTest = MsyncParameterizedTest;
-
-TEST_P(MsyncNoMappingTest, UnmappedAddressWithZeroLengthSucceeds) {
-  EXPECT_THAT(msync(nullptr, 0, msync_flags()), SyscallSucceeds());
-}
-
-TEST_P(MsyncNoMappingTest, UnmappedAddressWithNonzeroLengthFails) {
-  EXPECT_THAT(msync(nullptr, kPageSize, msync_flags()),
-              SyscallFailsWithErrno(ENOMEM));
-}
-
-INSTANTIATE_TEST_SUITE_P(All, MsyncNoMappingTest,
-                         ::testing::Combine(::testing::ValuesIn(kMsyncFlags),
-                                            ::testing::Values(NoMappings)));
-
-// "Fixture" for msync tests that are not parameterized by msync flags, but do
-// create mappings.
-using MsyncNoFlagsTest = MsyncParameterizedTest;
-
-TEST_P(MsyncNoFlagsTest, BothSyncAndAsyncFails) {
-  auto m = ASSERT_NO_ERRNO_AND_VALUE(GetMapping());
-  EXPECT_THAT(msync(m.ptr(), m.len(), MS_SYNC | MS_ASYNC),
-              SyscallFailsWithErrno(EINVAL));
-}
-
-INSTANTIATE_TEST_SUITE_P(
-    All, MsyncNoFlagsTest,
-    ::testing::Combine(::testing::Values(0),  // ignored
-                       ::testing::ValuesIn(SyncableMappings())));
-
-// "Fixture" for msync tests parameterized by both msync flags and sources of
-// mappings.
-using MsyncFullParamTest = MsyncParameterizedTest;
-
-TEST_P(MsyncFullParamTest, NormallySucceeds) {
-  auto m = ASSERT_NO_ERRNO_AND_VALUE(GetMapping());
-  EXPECT_THAT(msync(m.ptr(), m.len(), msync_flags()), SyscallSucceeds());
-}
-
-TEST_P(MsyncFullParamTest, UnalignedLengthSucceeds) {
-  auto m = ASSERT_NO_ERRNO_AND_VALUE(GetMapping());
-  EXPECT_THAT(msync(m.ptr(), m.len() - 1, msync_flags()), SyscallSucceeds());
-}
-
-TEST_P(MsyncFullParamTest, UnalignedAddressFails) {
-  auto m = ASSERT_NO_ERRNO_AND_VALUE(GetMapping());
-  EXPECT_THAT(
-      msync(reinterpret_cast<void*>(m.addr() + 1), m.len() - 1, msync_flags()),
-      SyscallFailsWithErrno(EINVAL));
-}
-
-TEST_P(MsyncFullParamTest, InvalidateUnlockedSucceeds) {
-  auto m = ASSERT_NO_ERRNO_AND_VALUE(GetMapping());
-  EXPECT_THAT(msync(m.ptr(), m.len(), msync_flags() | MS_INVALIDATE),
-              SyscallSucceeds());
-}
-
-// The test for MS_INVALIDATE on mlocked pages is in mlock.cc since it requires
-// probing for mlock support.
-
-INSTANTIATE_TEST_SUITE_P(
-    All, MsyncFullParamTest,
-    ::testing::Combine(::testing::ValuesIn(kMsyncFlags),
-                       ::testing::ValuesIn(SyncableMappings())));
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor