first commit

.venv/Lib/site-packages/pyarrow/include/arrow/io/test_common.h

@@ -0,0 +1,60 @@
+// 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.
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "arrow/testing/visibility.h"
+#include "arrow/type_fwd.h"
+
+namespace arrow {
+namespace io {
+
+class MemoryMappedFile;
+
+ARROW_TESTING_EXPORT
+void AssertFileContents(const std::string& path, const std::string& contents);
+
+ARROW_TESTING_EXPORT bool FileExists(const std::string& path);
+
+ARROW_TESTING_EXPORT Status PurgeLocalFileFromOsCache(const std::string& path);
+
+ARROW_TESTING_EXPORT bool FileIsClosed(int fd);
+
+ARROW_TESTING_EXPORT
+Status ZeroMemoryMap(MemoryMappedFile* file);
+
+class ARROW_TESTING_EXPORT MemoryMapFixture {
+ public:
+  void TearDown();
+
+  void CreateFile(const std::string& path, int64_t size);
+
+  Result<std::shared_ptr<MemoryMappedFile>> InitMemoryMap(int64_t size,
+                                                          const std::string& path);
+
+  void AppendFile(const std::string& path);
+
+ private:
+  std::vector<std::string> tmp_files_;
+};
+
+}  // namespace io
+}  // namespace arrow