#ifndef __JCOMPAREHISTOGRAMS__JTESTRUNS_1D__
#define __JCOMPAREHISTOGRAMS__JTESTRUNS_1D__

#include <istream>
#include <ostream>
#include "JCompareHistograms/JTest_t.hh"
#include "JCompareHistograms/JTestRuns_t.hh"


/**
 *  \author rgruiz
 */
namespace JCOMPAREHISTOGRAMS {

  /**
   * Implementation of the Runs test for 1D histograms.\n
   * This class is derived from the abstract class JTest_t(). For a general description of the implementation of this and other tests derived from JTest_t(), see its documentation.\n
   * This test uses the input parameter threshold() to evaluate whether the test is passed or failed.\n 
   * The evaluation is done by comparing the threshold value with the result of the JRunsTest() test. 
   */
  class JTestRuns_1D: 
    public JTest_t, 
    public JTestRuns_t
  { 
  public:  
  
    JTestRuns_1D() :
      JTest_t("Runs_1D", "#sigma"),
      JTestRuns_t()
    {}

    /**
     * Read test parameters from input.
     *
     * \param  in            input stream
     * \return               input stream
     */
    std::istream& read(std::istream& in) override{ 
      return in >> threshold;
    };
    
    /**
     * Tests the statistical compatibility of two ROOT TObjects
     * 
     * \param o1 First object
     * \param o2 Second object
     */
    void test(TObject* o1, TObject* o2) override{    

      using namespace std;
    
      if (!(dynamic_cast<TH2*>(o1) == NULL) || !(dynamic_cast<TH2*>(o2) == NULL)) {
	ERROR("For 2D histograms call JTestRuns_2D: " << o1->GetName() << endl);
    
      } else if (!(dynamic_cast<TH1*>(o1) == NULL) && !(dynamic_cast<TH1*>(o2) == NULL)) {
      
	TH1D* h1 =  dynamic_cast<TH1D*>(o1);
	TH1D* h2 =  dynamic_cast<TH1D*>(o2);
  
	if(h1 -> GetNbinsX() != h2 -> GetNbinsX())
	  ERROR("Histograms with different bining. The objects: " << h1 -> GetName() << " can not be compared." << endl);

	JTestResult r = JRunsTest(h1, h2, threshold, testName, resultType);
     
	results.push_back(r);
      }
    };
    
  private:
    double threshold;                       //!< threshold value to decide if test is passed.
  };
}
  
#endif