|  | // Copyright 2016 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 BASE_TEST_NATIVE_LIBRARY_TEST_UTILS_H_ | 
|  | #define BASE_TEST_NATIVE_LIBRARY_TEST_UTILS_H_ | 
|  |  | 
|  | #include "build_config.h" | 
|  |  | 
|  | #if defined(OS_WIN) | 
|  | #define NATIVE_LIBRARY_TEST_ALWAYS_EXPORT __declspec(dllexport) | 
|  | #else | 
|  | #define NATIVE_LIBRARY_TEST_ALWAYS_EXPORT __attribute__((visibility("default"))) | 
|  | #endif | 
|  |  | 
|  | extern "C" { | 
|  |  | 
|  | extern NATIVE_LIBRARY_TEST_ALWAYS_EXPORT int g_native_library_exported_value; | 
|  |  | 
|  | // A function which increments an internal counter value and returns its value. | 
|  | // The first call returns 1, then 2, etc. | 
|  | NATIVE_LIBRARY_TEST_ALWAYS_EXPORT int NativeLibraryTestIncrement(); | 
|  |  | 
|  | }  // extern "C" | 
|  |  | 
|  | #endif  // BASE_TEST_NATIVE_LIBRARY_TEST_UTILS_H_ |