ChaiScript/unittests/object_lifetime_test.cpp

#include <chaiscript/utility/utility.hpp>
#include <chaiscript/chaiscript_stdlib.hpp>

class Test
{
  public:
    Test()
    {
      ++count();
    }

    Test(const Test &)
    {
      ++count();
    }

    ~Test()
    {
      --count();
    }

    static int& count()
    {
      static int c = 0;
      return c;
    }
};

int main()
{
  chaiscript::ModulePtr m = chaiscript::ModulePtr(new chaiscript::Module());

  chaiscript::utility::add_class<Test>(*m,
      "Test",
      { chaiscript::constructor<Test ()>(),
        chaiscript::constructor<Test (const Test &)>() },
      { {chaiscript::fun(&Test::count), "count"} }
      );

  chaiscript::ChaiScript chai(chaiscript::Std_Lib::library());
  chai.add(m);
  chai.add(chaiscript::fun(&Test::count), "count");

  int count = chai.eval<int>("count()");

  int count2 = chai.eval<int>("auto i = 0; { auto t = Test(); } return i;");

  int count3 = chai.eval<int>("auto i = 0; { auto t = Test(); i = count(); } return i;");

  int count4 = chai.eval<int>("auto i = 0; { auto t = Test(); { auto t2 = Test(); i = count(); } } return i;");
 
  int count5 = chai.eval<int>("auto i = 0; { auto t = Test(); { auto t2 = Test(); } i = count(); } return i;");

  int count6 = chai.eval<int>("auto i = 0; { auto t = Test(); { auto t2 = Test(); }  } i = count(); return i;");

  if (count == 0
      && count2 == 0
      && count3 == 1
      && count4 == 2
      && count5 == 1
      && count6 == 0)
  {
    return EXIT_SUCCESS;
  } else {
    return EXIT_FAILURE;
  }
}