Migrates battery_status from content/renderer/ to WebKit/platform/

third_party/WebKit/Source/platform/battery/battery_dispatcher_proxy_unittest.cc

+// Copyright 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 "platform/battery/battery_dispatcher_proxy.h"
+
+#include "platform/battery/battery_status.h"
+#include "platform/testing/MessageLoopForMojo.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "wtf/Noncopyable.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
+
+namespace blink {
+
+class MockBatteryStatusListener : public BatteryDispatcherProxy::Listener {
+  WTF_MAKE_NONCOPYABLE(MockBatteryStatusListener);
+ public:
+  MockBatteryStatusListener() : did_change_battery_status_(false) {}
+
+  // BatteryDispatcherProxy::Listener method.
+  void OnUpdateBatteryStatus(const BatteryStatus& status) override {
+    status_ = status;
+    did_change_battery_status_ = true;
+  }
+
+  const BatteryStatus& status() const { return status_; }
+  bool did_change_battery_status() const { return did_change_battery_status_; }
+
+ private:
+  bool did_change_battery_status_;
+  BatteryStatus status_;
+};
+
+class BatteryDispatcherProxyTest : public testing::Test {
+ public:
+  void UpdateBatteryStatus(const device::BatteryStatus& status) {
+    device::BatteryStatusPtr status_ptr(device::BatteryStatus::New());
+    *status_ptr = status;
+    dispatcher_->OnDidChange(std::move(status_ptr));
+  }
+
+  const MockBatteryStatusListener& listener() const { return listener_; }
+
+ protected:
+  void SetUp() override {
+    dispatcher_ = adoptPtr(new BatteryDispatcherProxy(&listener_));
+  }
+
+ private:
+  base::MessageLoop message_loop_;
+  MockBatteryStatusListener listener_;
+  OwnPtr<BatteryDispatcherProxy> dispatcher_;
+};
+
+TEST_F(BatteryDispatcherProxyTest, UpdateListener) {
+  // TODO(darin): This test isn't super interesting. It just exercises
+  // conversion b/w device::BatteryStatus and blink::BatteryStatus.
+
+  device::BatteryStatus status;
+  status.charging = true;
+  status.charging_time = 100;
+  status.discharging_time = 200;
+  status.level = 0.5;
+
+  UpdateBatteryStatus(status);
+
+  const BatteryStatus& received_status = listener().status();
+  EXPECT_TRUE(listener().did_change_battery_status());
+  EXPECT_EQ(status.charging, received_status.charging());
+  EXPECT_EQ(status.charging_time, received_status.charging_time());
+  EXPECT_EQ(status.discharging_time, received_status.discharging_time());
+  EXPECT_EQ(status.level, received_status.level());
+}
+
+}  // namespace blink