ostream_operator.cpp

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#include "datamodel/MutableExampleForCyclicDependency1.h"
#include "datamodel/MutableExampleForCyclicDependency2.h"
#include "datamodel/MutableExampleMC.h"
#include "datamodel/MutableExampleReferencingType.h"
 
#include <iostream>
 
// When using CTest for unit testing it is enough for this test to eventually
// segfault
int main(int, char**) {
  MutableExampleMC mcp1;
  MutableExampleMC mcp2;
 
  mcp1.adddaughters(mcp2);
  mcp2.addparents(mcp1);
 
  // This will lead to an infinite loop and a core dump eventually
  std::cout << mcp1 << std::endl;
 
  // Make sure everything still works if the relation is not of the same type
  MutableExampleForCyclicDependency1 cyc1;
  MutableExampleForCyclicDependency2 cyc2;
 
  cyc1.ref(cyc2);
  cyc2.ref(cyc1);
 
  std::cout << cyc1 << cyc2 << std::endl;
 
  // Non-cyclical references
  MutableExampleReferencingType ref1;
  MutableExampleReferencingType ref2;
  ExampleReferencingType ref3;
 
  ref1.addRefs(ref2);
  ref2.addRefs(ref3);
 
  std::cout << ref1 << std::endl;
 
  return 0;
}