ls-standard-library/test/lib/googletest-1.8.1/googletest/samples/sample4.cc

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// 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_);
}