// Copyright 2005, Google Inc.
 
// All rights reserved.
 
//
 
// Redistribution and use in source and binary forms, with or without
 
// modification, are permitted provided that the following conditions are
 
// met:
 
//
 
//     * Redistributions of source code must retain the above copyright
 
// notice, this list of conditions and the following disclaimer.
 
//     * Redistributions in binary form must reproduce the above
 
// copyright notice, this list of conditions and the following disclaimer
 
// in the documentation and/or other materials provided with the
 
// distribution.
 
//     * Neither the name of Google Inc. nor the names of its
 
// contributors may be used to endorse or promote products derived from
 
// this software without specific prior written permission.
 
//
 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
 
// A sample program demonstrating using Google C++ testing framework.
 
 
 
#include <stdio.h>
 
 
 
#include "sample4.h"
 
 
 
// Returns the current counter value, and increments it.
 
int Counter::Increment() {
 
  return counter_++;
 
}
 
 
 
// Returns the current counter value, and decrements it.
 
// counter can not be less than 0, return 0 in this case
 
int Counter::Decrement() {
 
  if (counter_ == 0) {
 
    return counter_;
 
  } else  {
 
    return counter_--;
 
  }
 
}
 
 
 
// Prints the current counter value to STDOUT.
 
void Counter::Print() const {
 
  printf("%d", counter_);
 
}