[NaCl SDK] nacl_io: Add new fakes

native_client_sdk/src/tests/nacl_io_test/fake_var_manager.h

+// Copyright (c) 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef TESTS_NACL_IO_TEST_FAKE_VAR_MANAGER_H_
+#define TESTS_NACL_IO_TEST_FAKE_VAR_MANAGER_H_
+
+#include <map>
+#include <ppapi/c/pp_var.h>
+#include <string>
+#include <vector>
+
+#include "sdk_util/macros.h"
+
+struct FakeVarData {
+  uint64_t id;
+  uint64_t type;
+  int32_t ref_count;
+  std::string string_value;
+  std::vector<PP_Var> array_value;
+  struct {
+    void* ptr;
+    uint32_t length;
+  } buffer_value;
+};
+
+class FakeVarManager {
+ public:
+  FakeVarManager();
+  ~FakeVarManager();
+
+  void AddRef(PP_Var var);
+  void Release(PP_Var var);
+  FakeVarData* CreateVarData();
+  FakeVarData* GetVarData(PP_Var var);
+  std::string Describe(const FakeVarData& resource);
+
+  bool debug;
+ private:
+  void DestroyVarData(FakeVarData* var);
+
+  typedef uint64_t Id;
+  typedef std::map<Id, FakeVarData> VarMap;
+
+  Id next_id_;
+  VarMap var_map_;
+
+  DISALLOW_COPY_AND_ASSIGN(FakeVarManager);
+};
+
+#endif  // TESTS_NACL_IO_TEST_FAKE_VAR_MANAGER_H_