Add SpeedControllerGroup (#362)

wpilibcIntegrationTests/src/FRCUserProgram/cpp/MockSpeedController.cpp

@@ -0,0 +1,28 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2017 FIRST. All Rights Reserved.                             */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "MockSpeedController.h"
+
+using namespace frc;
+
+void MockSpeedController::Set(double speed) {
+  m_speed = m_isInverted ? -speed : speed;
+}
+
+double MockSpeedController::Get() const { return m_speed; }
+
+void MockSpeedController::SetInverted(bool isInverted) {
+  m_isInverted = isInverted;
+}
+
+bool MockSpeedController::GetInverted() const { return m_isInverted; }
+
+void MockSpeedController::Disable() { m_speed = 0; }
+
+void MockSpeedController::StopMotor() { Disable(); }
+
+void MockSpeedController::PIDWrite(double output) { Set(output); }