testParameters.cpp

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#include <iostream>
#include <string>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/Parameters.h"
 
#include "DGtalCatch.h"
 
using namespace std;
using namespace DGtal;
 
 
// Functions for testing class Parameters
 
SCENARIO( "Parameters decimal conversion tests", "[parameters]" )
{
  GIVEN( "A Parameters object" ) {
    Parameters params;
    WHEN( "initialized with strings" ) {
      params( "foo", "bar" )( "Laurel", "Hardy" );
      THEN( "it does store strings" ) {
        REQUIRE( params[ "foo"    ].as<string>() == "bar" );
        REQUIRE( params[ "Laurel" ].as<string>() == "Hardy" );
      }      
    }
    WHEN( "initialized with integers" ) {
      params( "prime", 7 )( "negative-int", -2 );
      THEN( "it does store ints" ) {
        REQUIRE( params[ "prime"        ].as<int>() == 7 );
        REQUIRE( params[ "negative-int" ].as<int>() == -2 );
      }      
    }
    WHEN( "initialized with doubles" ) {
      params( "pi", 3.14159 )( "planck", 6.62607004e-34 )( "g", 9.80665 );
      THEN( "it does store ints" ) {
        REQUIRE( params[ "pi"     ].as<double>() == Approx( 3.14159 ) );
        REQUIRE( params[ "planck" ].as<double>() == Approx( 6.62607004e-34 ) );
        REQUIRE( params[ "g"      ].as<double>() == Approx( 9.80665 ) );
      }      
    }
  }
}