src/test/msp_native/mock_serial.h

   1 #pragma once
   2
   3 #include <string>
   4 #include "msp.h"
   5
   6 // Mock the serial port using a string stream class
   7 // This will allow us to assert what gets sent on the serial port
   8 class StringStream : public Stream
   9 {
  10 public:
  11     StringStream(std::string &s) : buf(s), position(0) { }
  12
  13     // Stream methods
  14     int available() { return buf.length() - position; }
  15     int read() { return position < buf.length() ? buf[position++] : -1; }
  16     int peek() { return position < buf.length() ? buf[position] : -1; }
  17     void flush() { }
  18
  19     // Print methods
  20     size_t write(uint8_t c)
  21     {
  22         buf += (char)c; return 1;
  23     }
  24     size_t write(uint8_t *c, int l)
  25     {
  26         for (int i=0; i<l ; buf += *c, i++, c++);
  27         return l;
  28     }
  29
  30 private:
  31     std::string &buf;
  32     unsigned int length;
  33     unsigned int position;
  34 };