openzeppelin-contracts/contracts/test-helpers/StoppableMock.sol

pragma solidity ^0.4.4;
import '../Stoppable.sol';

// mock class using Stoppable
contract StoppableMock is Stoppable {
  bool public drasticMeasureTaken;
  uint public count;

  function StoppableMock() {
    drasticMeasureTaken = false;
    count = 0;
  }

  function normalProcess() external stopInEmergency {
    count++;
  }

  function drasticMeasure() external onlyInEmergency {
    drasticMeasureTaken = true;
  }

}