device/serial/test_serial_io_handler.h

   1 // Copyright 2014 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 DEVICE_SERIAL_TEST_SERIAL_IO_HANDLER_H_
   6 #define DEVICE_SERIAL_TEST_SERIAL_IO_HANDLER_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "device/serial/serial.mojom.h"
  12 #include "device/serial/serial_io_handler.h"
  13
  14 namespace device {
  15
  16 class TestSerialIoHandler : public SerialIoHandler {
  17  public:
  18   TestSerialIoHandler();
  19
  20   static scoped_refptr<SerialIoHandler> Create();
  21
  22   // SerialIoHandler overrides.
  23   void Open(const std::string& port,
  24             const serial::ConnectionOptions& options,
  25             const OpenCompleteCallback& callback) override;
  26   void ReadImpl() override;
  27   void CancelReadImpl() override;
  28   void WriteImpl() override;
  29   void CancelWriteImpl() override;
  30   bool ConfigurePortImpl() override;
  31   serial::DeviceControlSignalsPtr GetControlSignals() const override;
  32   serial::ConnectionInfoPtr GetPortInfo() const override;
  33   bool Flush() const override;
  34   bool SetControlSignals(const serial::HostControlSignals& signals) override;
  35   bool SetBreak() override;
  36   bool ClearBreak() override;
  37
  38   serial::ConnectionInfo* connection_info() { return &info_; }
  39   serial::DeviceControlSignals* device_control_signals() {
  40     return &device_control_signals_;
  41   }
  42   bool dtr() { return dtr_; }
  43   bool rts() { return rts_; }
  44   int flushes() { return flushes_; }
  45   // This callback will be called when this IoHandler processes its next write,
  46   // instead of the normal behavior of echoing the data to reads.
  47   void set_send_callback(const base::Closure& callback) {
  48     send_callback_ = callback;
  49   }
  50
  51  protected:
  52   ~TestSerialIoHandler() override;
  53
  54  private:
  55   bool opened_;
  56   serial::ConnectionInfo info_;
  57   serial::DeviceControlSignals device_control_signals_;
  58   bool dtr_;
  59   bool rts_;
  60   mutable int flushes_;
  61   std::string buffer_;
  62   base::Closure send_callback_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(TestSerialIoHandler);
  65 };
  66
  67 }  // namespace device
  68
  69 #endif  // DEVICE_SERIAL_TEST_SERIAL_IO_HANDLER_H_