Update monet.

mojo/common/callback_binding_unittest.cc

+// Copyright 2013 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.
+
+#include "base/bind.h"
+#include "mojo/public/cpp/bindings/callback.h"
+#include "mojo/public/cpp/bindings/map.h"
+#include "mojo/public/cpp/bindings/string.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+struct RunnableNoArgs {
+  RunnableNoArgs(int* calls) : calls(calls) {}
+  void Run() const { (*calls)++; }
+
+  int* calls;
+};
+
+TEST(CallbackBindingTest, BaseBindToMojoCallbackNoParams) {
+  mojo::Callback<void()> cb;
+  int calls = 0;
+  RunnableNoArgs r(&calls);
+  cb = r;
+  cb.Run();
+  EXPECT_EQ(1, calls);
+
+  cb = base::Bind(&RunnableNoArgs::Run, base::Unretained(&r));
+  cb.Run();
+  EXPECT_EQ(2, calls);
+}
+
+struct RunnableOnePrimitiveArg {
+  explicit RunnableOnePrimitiveArg(int* calls) : calls(calls) {}
+  void Run(int a) const { (*calls)++; }
+
+  int* calls;
+};
+
+TEST(CallbackBindingTest, BaseBindToMojoCallbackPrimitiveParam) {
+  mojo::Callback<void(int)> mojo_callback;
+  int calls = 0;
+  RunnableOnePrimitiveArg r(&calls);
+  mojo_callback = r;
+  mojo_callback.Run(0);
+  EXPECT_EQ(1, calls);
+
+  base::Callback<void(int)> base_callback =
+      base::Bind(&RunnableOnePrimitiveArg::Run, base::Unretained(&r));
+  mojo_callback = base_callback;
+  mojo_callback.Run(0);
+  EXPECT_EQ(2, calls);
+}
+
+struct RunnableOneMojoStringParam {
+  explicit RunnableOneMojoStringParam(int* calls) : calls(calls) {}
+  void Run(const mojo::String& s) const { (*calls)++; }
+
+  int* calls;
+};
+
+TEST(CallbackBindingTest, BaseBindToMojoCallbackMojoStringParam) {
+  // The mojo type is a callback on mojo::String, but it'll expect to invoke
+  // callbacks with a parameter of type 'const Mojo::String&'.
+  mojo::Callback<void(mojo::String)> mojo_callback;
+  int calls = 0;
+  RunnableOneMojoStringParam r(&calls);
+  mojo_callback = r;
+  mojo_callback.Run(0);
+  EXPECT_EQ(1, calls);
+
+  base::Callback<void(const mojo::String&)> base_callback =
+      base::Bind(&RunnableOneMojoStringParam::Run, base::Unretained(&r));
+  mojo_callback = base_callback;
+  mojo_callback.Run(0);
+  EXPECT_EQ(2, calls);
+}
+
+using ExampleMoveOnlyType = mojo::Map<int, int>;
+
+struct RunnableOneMoveOnlyParam {
+  explicit RunnableOneMoveOnlyParam(int* calls) : calls(calls) {}
+
+  void Run(ExampleMoveOnlyType m) const { (*calls)++; }
+  int* calls;
+};
+
+TEST(CallbackBindingTest, BaseBindToMoveOnlyParam) {
+  mojo::Callback<void(ExampleMoveOnlyType)> mojo_callback;
+  int calls = 0;
+  RunnableOneMoveOnlyParam r(&calls);
+  mojo_callback = r;
+  ExampleMoveOnlyType m;
+  mojo_callback.Run(m.Clone());
+  EXPECT_EQ(1, calls);
+
+  base::Callback<void(ExampleMoveOnlyType)> base_callback =
+      base::Bind(&RunnableOneMoveOnlyParam::Run, base::Unretained(&r));
+  mojo_callback = base_callback;
+  mojo_callback.Run(m.Clone());
+  EXPECT_EQ(2, calls);
+}
+
+}  // namespace