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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_SYNC_FILE_SYSTEM_TEST_UTIL_H_
      6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_SYNC_FILE_SYSTEM_TEST_UTIL_H_
      7 
      8 #include <vector>
      9 
     10 #include "base/bind.h"
     11 #include "base/callback.h"
     12 #include "testing/gtest/include/gtest/gtest.h"
     13 
     14 namespace base {
     15 class RunLoop;
     16 }
     17 
     18 namespace storage {
     19 class FileSystemURL;
     20 }
     21 
     22 namespace sync_file_system {
     23 
     24 template <typename T>
     25 struct TypeTraits {
     26   typedef T ParamType;
     27 };
     28 
     29 template <>
     30 struct TypeTraits<storage::FileSystemURL> {
     31   typedef const storage::FileSystemURL& ParamType;
     32 };
     33 
     34 template <typename T>
     35 struct TypeTraits<std::vector<T> > {
     36   typedef const std::vector<T>& ParamType;
     37 };
     38 
     39 template <typename Arg1, typename Arg2, typename Param1, typename Param2>
     40 void ReceiveResult2(bool* done,
     41                     Arg1* arg1_out,
     42                     Arg2* arg2_out,
     43                     Param1 arg1,
     44                     Param2 arg2) {
     45   EXPECT_FALSE(*done);
     46   *done = true;
     47   *arg1_out = base::internal::CallbackForward(arg1);
     48   *arg2_out = base::internal::CallbackForward(arg2);
     49 }
     50 
     51 template <typename R>
     52 void AssignAndQuit(base::RunLoop* run_loop, R* result_out, R result);
     53 
     54 template <typename R> base::Callback<void(R)>
     55 AssignAndQuitCallback(base::RunLoop* run_loop, R* result);
     56 
     57 template <typename Arg>
     58 base::Callback<void(typename TypeTraits<Arg>::ParamType)>
     59 CreateResultReceiver(Arg* arg_out);
     60 
     61 template <typename Arg1, typename Arg2>
     62 base::Callback<void(typename TypeTraits<Arg1>::ParamType,
     63                     typename TypeTraits<Arg2>::ParamType)>
     64 CreateResultReceiver(Arg1* arg1_out,
     65                      Arg2* arg2_out) {
     66   typedef typename TypeTraits<Arg1>::ParamType Param1;
     67   typedef typename TypeTraits<Arg2>::ParamType Param2;
     68   return base::Bind(&ReceiveResult2<Arg1, Arg2, Param1, Param2>,
     69                     base::Owned(new bool(false)),
     70                     arg1_out, arg2_out);
     71 }
     72 
     73 }  // namespace sync_file_system
     74 
     75 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_SYNC_FILE_SYSTEM_TEST_UTIL_H_
     76