doc-examples/exampleCatch.cpp

DGtal/Catch examples

See also

Unit test in DGtal using Catch

 
#include <iostream>
#include "ConfigExamples.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/base/Common.h"
 
#include <vector>
#include <list>
#include <set>
 
#include "DGtalCatch.h"
 
 
using namespace std;
using namespace DGtal;
 
 
TEST_CASE( "Point Vector Unit tests" )
{
 
  //Global variables and init for this test case
  typedef PointVector<4, DGtal::int32_t> Point;
  typedef PointVector<4, double> RealPoint;
 
  DGtal::int32_t t1[] = {1,2,3,4};
  DGtal::int32_t t2[]= {5,4,3,2};
  double t3[]= {1.0,-1.0,2.0,-2.0};
 
  Point p1( t1 );
  Point p1bis( t1 );
  Point p2( t2 );
  RealPoint p3(t3);
 
  SECTION("Comparisons")
    {
      REQUIRE( (p1 == p1bis) );
      REQUIRE( p1 < p2 );
    }
  
  SECTION("Min/Max of vector components")
    {
      REQUIRE( (p3.max() == 2.0) );
      REQUIRE( (p3.min() == -2.0) );
      REQUIRE( (*p3.maxElement() == 2.0) );
      REQUIRE( (*p3.minElement() == -2.0) );
    }
  SECTION("Arithmetical Operators")
    {
      REQUIRE( ((p1 + p2) == Point(6,6,6,6)) );
      REQUIRE( ((p1 - p2) == Point(-4,-2,0,2)) );
      REQUIRE( ((p1*2) == Point(2,4,6,8)) );
      REQUIRE( ((2*p1) == Point(2,4,6,8)) );
      REQUIRE( ((-p1) == Point(-1,-2,-3,-4)) );
      REQUIRE( (p1.inf(p2) == Point(1,2,3,2)) );
      REQUIRE( (p1.sup(p2) == Point(5,4,3,4)) );
      REQUIRE( (p1.dot(p2) == 30) );
    }
 
}
 
 
TEMPLATE_TEST_CASE("STL Container test", "Description",
                     std::list<int>, std::vector<int>, std::set<int>)
{
  TestType defaultConstructed;
 
  SECTION("Size of the default constructed container")
    {
      REQUIRE( ( defaultConstructed.size() == 0 ) ); 
    }
 
  //Adding a value
  defaultConstructed.insert( defaultConstructed.begin(),  5 );
  
  SECTION("Size after one insert")
    {
      REQUIRE( ( defaultConstructed.size() == 1 ) ); 
    }
}