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
  36   serial::ConnectionInfo* connection_info() { return &info_; }
  37   serial::DeviceControlSignals* device_control_signals() {
  38     return &device_control_signals_;
  39   }
  40   bool dtr() { return dtr_; }
  41   bool rts() { return rts_; }
  42   int flushes() { return flushes_; }
  43   // This callback will be called when this IoHandler processes its next write,
  44   // instead of the normal behavior of echoing the data to reads.
  45   void set_send_callback(const base::Closure& callback) {
  46     send_callback_ = callback;
  47   }
  48
  49  protected:
  50   ~TestSerialIoHandler() override;
  51
  52  private:
  53   bool opened_;
  54   serial::ConnectionInfo info_;
  55   serial::DeviceControlSignals device_control_signals_;
  56   bool dtr_;
  57   bool rts_;
  58   mutable int flushes_;
  59   std::string buffer_;
  60   base::Closure send_callback_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(TestSerialIoHandler);
  63 };
  64
  65 }  // namespace device
  66
  67 #endif  // DEVICE_SERIAL_TEST_SERIAL_IO_HANDLER_H_