| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 <string> |
| |
| #include <stout/gtest.hpp> |
| #include <stout/path.hpp> |
| |
| #include <stout/os/close.hpp> |
| #include <stout/os/read.hpp> |
| #include <stout/os/write.hpp> |
| |
| #include <stout/tests/utils.hpp> |
| |
| #include "linux/memfd.hpp" |
| |
| using std::string; |
| |
| namespace mesos { |
| namespace internal { |
| namespace tests { |
| |
| class MemfdTest : public TemporaryDirectoryTest {}; |
| |
| |
| TEST_F(MemfdTest, CloneSealedFile) |
| { |
| const string content = "hello world!"; |
| const string filePath = path::join(sandbox.get(), "file"); |
| ASSERT_SOME(os::write(filePath, content)); |
| |
| Try<int_fd> fd = memfd::cloneSealedFile(filePath); |
| ASSERT_SOME(fd); |
| |
| const string memFdFile = "/proc/self/fd/" + stringify(fd.get()); |
| |
| Try<string> actual = os::read(memFdFile); |
| EXPECT_SOME_EQ(content, actual); |
| |
| // Make sure we cannot write the cloned file. |
| EXPECT_ERROR(os::write(memFdFile, "xxx")); |
| |
| os::close(fd.get()); |
| } |
| |
| } // namespace tests { |
| } // namespace internal { |
| } // namespace mesos { |