Add mouse input forwarding to gpu service

content/common/gpu/gpu_channel_manager_unittest.cc

+// 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.
+
+#include "base/test/test_simple_task_runner.h"
+#include "content/common/gpu/gpu_channel.h"
+#include "content/common/gpu/gpu_channel_manager.h"
+#include "content/common/gpu/gpu_messages.h"
+#include "content/common/message_router.h"
+#include "gpu/command_buffer/common/value_state.h"
+#include "gpu/command_buffer/service/gl_utils.h"
+#include "gpu/command_buffer/service/valuebuffer_manager.h"
+#include "ipc/ipc_sync_channel.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+using gpu::gles2::ValuebufferManager;
+using gpu::ValueState;
+
+namespace content {
+
+class GpuChannelManagerTest : public testing::Test {
+ public:
+  GpuChannelManagerTest() {}
+
+  void SetUp() override {
+    task_runner_ = scoped_refptr<base::SingleThreadTaskRunner>(
+        new base::TestSimpleTaskRunner());
+    channel_ = IPC::SyncChannel::Create(
+        &router_, task_runner_, NULL);
+    manager_.reset(
+        new GpuChannelManager(&router_,
+                              NULL,
+                              base::MessageLoopProxy::current().get(),
+                              NULL,
+                              channel_.get()));
+  }
+
+ protected:
+  scoped_ptr<GpuChannelManager> manager_;
+
+ private:
+  base::MessageLoop message_loop_;
+
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
+  scoped_ptr<IPC::SyncChannel> channel_;
+  MessageRouter router_;
+};
+
+TEST_F(GpuChannelManagerTest, SecureValueStateForwarding) {
+  const int kClientId1 = 111;
+  const int kClientId2 = 222;
+  ValueState kValueState1;
+  kValueState1.int_value[0] = 1111;
+  ValueState kValueState2;
+  kValueState2.int_value[0] = 3333;
+
+  // Initialize gpu channels
+  manager_->OnMessageReceived(
+      GpuMsg_EstablishChannel(kClientId1, false, false));
+  GpuChannel *channel1 = manager_->LookupChannel(kClientId1);
+  manager_->OnMessageReceived(
+      GpuMsg_EstablishChannel(kClientId2, false, false));
+  GpuChannel *channel2 = manager_->LookupChannel(kClientId2);
+  ASSERT_TRUE(channel1 != NULL);
+  ASSERT_TRUE(channel2 != NULL);
+  ASSERT_NE(channel1, channel2);
+
+  // Make sure value states are only accessible by proper channels
+  manager_->OnMessageReceived(GpuMsg_UpdateValueState(
+      kClientId1, GL_MOUSE_POSITION_CHROMIUM, kValueState1));
+  manager_->OnMessageReceived(GpuMsg_UpdateValueState(
+      kClientId2, GL_MOUSE_POSITION_CHROMIUM, kValueState2));
+
+  const ValueState* stubValueState1 =
+      channel1->valuebuffer_manager()->GetPendingState(
+      GL_MOUSE_POSITION_CHROMIUM);
+  const ValueState* stubValueState2 =
+      channel2->valuebuffer_manager()->GetPendingState(
+          GL_MOUSE_POSITION_CHROMIUM);
+  ASSERT_EQ(stubValueState1->int_value[0], kValueState1.int_value[0]);
+  ASSERT_EQ(stubValueState2->int_value[0], kValueState2.int_value[0]);
+  ASSERT_NE(stubValueState1->int_value[0], stubValueState2->int_value[0]);
+}
+
+}  // namespace content