circularbufferdiagnose.h

这是一个从音频信号里提取特征参量的程序

  cbuf2.prepend(f);
  if ((cbuf2.getNumElements() != 3) ||
      (cbuf2.getNumForward() != 1) ||
      (cbuf2.getNumBackward() != 1) ||
      (!cbuf2(1).almostEqual(0.2)) ||
      (!cbuf2(0).almostEqual(0.1)) ||
      (!cbuf2(-1).almostEqual(0.4))) {
    cbuf2.debug(L"cbuf2");
    return Error::handle(name(), L"diagnose", Error::TEST, __FILE__, __LINE__);
  }

  f = 0.3;
  cbuf2.append(f);
  if ((cbuf2.getNumElements() != 4) ||
      (cbuf2.getNumForward() != 2) ||
      (cbuf2.getNumBackward() != 1) ||
      (!cbuf2(2).almostEqual(0.3)) ||
      (!cbuf2(1).almostEqual(0.2)) ||
      (!cbuf2(0).almostEqual(0.1)) ||
      (!cbuf2(-1).almostEqual(0.4))) {
    cbuf2.debug(L"cbuf2");
    return Error::handle(name(), L"diagnose", Error::TEST, __FILE__, __LINE__);
  }

  f = 0.7;
  cbuf2.prepend(f);
  if ((cbuf2.getNumElements() != 5) ||
      (cbuf2.getNumForward() != 2) ||
      (cbuf2.getNumBackward() != 2) ||
      (!cbuf2(2).almostEqual(0.3)) ||
      (!cbuf2(1).almostEqual(0.2)) ||
      (!cbuf2(0).almostEqual(0.1)) ||
      (!cbuf2(-1).almostEqual(0.4)) ||
      (!cbuf2(-2).almostEqual(0.7))) {
    cbuf2.debug(L"cbuf2");
    return Error::handle(name(), L"diagnose", Error::TEST, __FILE__, __LINE__);
  }
  
  // reset indentation
  //
  if (level_a > Integral::NONE) {
    Console::decreaseIndention();
  }

  // --------------------------------------------------------------------
  //
  // 3. testing class-specific public methods
  //     get methods
  //
  // --------------------------------------------------------------------
  
  // set indentation
  //
  if (level_a > Integral::NONE) {
    Console::put(L"testing class-specific public methods: get methods...\n");
    Console::increaseIndention(); 
  }
  
  if (cbuf1.getNumElements() != 1) {
    return Error::handle(name(), L"append", Error::TEST, __FILE__, __LINE__);
  }
  
  // prepare data  
  //
  Vector<Float> floats(200);
  for (long i = 0; i < 200; i++) {
    floats(i) = (float)i;
  }
  
  // append single element at a time
  // [0 - 49] were appended
  //
  for (long i = 0; i < 50; i++) {
    cbuf.append(floats(i));
  }
  
  if (cbuf.getNumElements() != 50) {
    return Error::handle(name(), L"append", Error::TEST, __FILE__, __LINE__);
  }
  
  // append a vector of numbers at a time
  // [50 - 99] were appended
  //
  cbuf.append(floats, 50, 50);
  
  // test some basic operation
  //
  CircularBuffer<Float> cbuf3(100);
  
  // prepend single element at a time
  // [50 - 99] were prepended
  //
  for (long i = 0; i < 50; i++) {
    cbuf3.prepend(floats(i));
  }
  
  if (cbuf3.getNumElements() != 50) {
    return Error::handle(name(), L"prepend", Error::TEST, __FILE__, __LINE__);
  }
  
  // append a vector of numbers at a time
  // [0 - 49] were appended
  //
  cbuf3.prepend(floats, 49, 50);
  
  // reset indentation
  //
  if (level_a > Integral::NONE) {
    Console::decreaseIndention();
  }
  
  // --------------------------------------------------------------------
  //
  // 4. testing class-specific public methods
  //     class property methods
  //
  // --------------------------------------------------------------------

  // set indentation
  //
  if (level_a > Integral::NONE) {
    Console::put(L"testing class-specific public methods: class property methods...\n");
    Console::increaseIndention(); 
  }
  
  // the buffer should be full now
  //
  if (!cbuf.isFull()) {
    return Error::handle(name(), L"isFull", Error::TEST, __FILE__, __LINE__);
  }
  
  if (cbuf.getNumElements() != 100) {
    return Error::handle(name(), L"append", Error::TEST, __FILE__, __LINE__);
  }
  
  for (long i = 0; i < 100; i++) {
    if (cbuf(i) != (float)i) {
      return Error::handle(name(), L"append", Error::TEST, __FILE__, __LINE__);
    }
  }
  
  // move the curr and read index
  // release [0 - 49]
  //
  cbuf.setRead((long)50);                           
  cbuf.resetCurr();
  
  // the valid number of elements should be reduced now
  //
  if (cbuf.getNumElements() != 50) {
    return Error::handle(name(), L"setRead", Error::TEST, __FILE__, __LINE__);
  }

  // reset indentation
  //
  if (level_a > Integral::NONE) {
    Console::decreaseIndention();
  }
  
  // --------------------------------------------------------------------
  //
  // 5. testing class-specific public methods
  //     data manipulation methods
  //
  // --------------------------------------------------------------------

  // set indentation
  //
  if (level_a > Integral::NONE) {
    Console::put(L"testing class-specific public methods: data manipulation methods...\n");
    Console::increaseIndention(); 
  }

  // add more data into the CircularBuffer
  // [100 - 149] overwrote the [0 - 49]
  //
  cbuf.append(floats, 50, 100);

  // get the number
  //
  for (long i = 0; i < 100; i++) {
    if (cbuf(i) != (float)(50 + i)) {
      return Error::handle(name(), L"append", Error::TEST, __FILE__, __LINE__);
    }
  }
  
  // prepare data  
  //
  Vector<Float> vfloats(200);
  for (long i = 0; i < 200; i++) {
    vfloats(i) = (float)i;
  }

  CircularBuffer<Float> cbuf7;
  CircularBuffer<Float> cbuf8;  
  
  // append single element at a time
  // buffer contains [0 - 199]
  //
  for (long i = 0; i < 200; i++) {
    cbuf7.append(vfloats(i));
  }

  // append the vector
  // buffer contains [0 - 199]
  //
  cbuf8.append(vfloats);

  if (!cbuf7.eq(cbuf8)) {
    return Error::handle(name(), L"append", Error::TEST, __FILE__, __LINE__);
  }

  // append a portion of the vector
  //
  cbuf7.append(vfloats, 50, 50);
  cbuf8.append(vfloats, 50, 50);   

  if (!cbuf7.eq(cbuf8)) {
    return Error::handle(name(), L"append", Error::TEST, __FILE__, __LINE__);
  }

  CircularBuffer<Float> cbuf5;
  CircularBuffer<Float> cbuf6;  
  
  // prepend single element at a time
  // buffer contains [199 - 0]
  //
  for (long i = 0; i < 200; i++) {
    cbuf5.prepend(vfloats(i));
  }

  // prepend the vector
  // buffer contains [199 - 0]
  //
  cbuf6.prepend(vfloats);

  if (!cbuf5.eq(cbuf6)) {
    return Error::handle(name(), L"prepend", Error::TEST, __FILE__, __LINE__);
  }

  // prepend a portion of the vector
  //
  cbuf5.prepend(vfloats, 50, 50);
  cbuf6.prepend(vfloats, 50, 50);   

  if (!cbuf5.eq(cbuf6)) {
    return Error::handle(name(), L"prepend", Error::TEST, __FILE__, __LINE__);
  }  
  
  // reset indentation
  //
  if (level_a > Integral::NONE) {
    Console::decreaseIndention();
  }
  
  // --------------------------------------------------------------------
  //
  // 6. testing class-specific public methods
  //     operator overload methods
  //
  // --------------------------------------------------------------------

  // set indentation
  //
  if (level_a > Integral::NONE) {
    Console::put(L"testing class-specific public methods: positioning methods...\n");
    Console::increaseIndention(); 
  }
  
  // move the curr_d
  //
  cbuf.seekCurr((long)50);

  if (cbuf.getNumForward() != 49 ) {
    return Error::handle(name(), L"getNumForward", Error::TEST, __FILE__,
			 __LINE__);
  }
  if (cbuf.getNumBackward() != 50 ) {
    return Error::handle(name(), L"getNumBackward", Error::TEST, __FILE__,
			 __LINE__);
  }
  
  // get a vector of elements
  //
  Vector<Float> tmp_vec;

  // get [100 - 119]
  //
  cbuf.getElement(tmp_vec, 20, 0);
  
  for (long i = 0; i < 20; i++) {
    if (tmp_vec(i) != (float)(100 + i)) {
      if (level_a >= Integral::ALL) {
	tmp_vec.debug(L"tmp_vec");
      }
      return Error::handle(name(), L"getElement", Error::TEST, __FILE__,
			   __LINE__);
    }
  }
  
  // print out the debug information
  // only the last 10 numbers [140 - 149] are still valid
  //
  cbuf.setRead((long)90);               
  cbuf.setDebug(Integral::NONE);
  if (level_a >= Integral::ALL) {
    cbuf.debug(L"cbuf");
  }

  // test seekCurr and get the element with negative offset
  //
  cbuf.seekCurr(9);
  
  if (cbuf(0) != (float)149 || cbuf(-2) != (float)147) {
    return Error::handle(name(), L"seekCurr", Error::TEST, __FILE__, __LINE__);
  }
  
  cbuf.seekCurr(-5);
  
  if (cbuf(0) != (float)144 || cbuf(-4) != (float)140 ||
      cbuf(4) != (float)148) {
    return Error::handle(name(), L"seekCurr", Error::TEST, __FILE__, __LINE__);
  }
  
  // test a smaller buffer
  //
  CircularBuffer<Long> buf;
  cbuf.setCapacity(20);
  
  for (long i = 0; i < 100; i++) {
    
    if (i > 20) {
      buf.setRead(1);
    }
    
    Long l = (long)i;
    buf.append(l);
    if (i > 1) {
      buf.seekCurr(1);
    }
  }

  // test clear
  //
  buf.clear();
  if (buf.getNumElements() != 0) {
    return Error::handle(name(), L"clear", Error::TEST, __FILE__, __LINE__);
  }

  // reset indentation
  //
  if (level_a > Integral::NONE) {
    Console::decreaseIndention();
  }
  
  //---------------------------------------------------------------------
  //
  // 3. print completion message
  //
  //---------------------------------------------------------------------

  // reset indentation
  //
  if (level_a > Integral::NONE) {
    Console::decreaseIndention();
  }
  
  if (level_a > Integral::NONE) {
    SysString output(L"diagnostics passed for class ");
    output.concat(name());
    output.concat(L"\n");
    Console::put(output);
  }
  
  // exit gracefully
  //
  return true;
}

// end of include file
//
#endif