value_ptr_test.cc File Reference

#include "boost/test/unit_test.hpp"
#include <ostream>
#include <string>
#include "cetlib/value_ptr.h"

Go to the source code of this file.

Classes
struct	Base
struct	Derived

Namespaces
	cet

Macros
#define	BOOST_TEST_MODULE   (value_ptr test)

Functions
std::ostream &	cet::boost_test_print_type (std::ostream &os, value_ptr< int > const p)
	BOOST_AUTO_TEST_CASE (nullptr_test)
	BOOST_AUTO_TEST_CASE (basic_test)
	BOOST_AUTO_TEST_CASE (compile_failure_test)
	BOOST_AUTO_TEST_CASE (polymorphism_test)

Macro Definition Documentation

#define BOOST_TEST_MODULE   (value_ptr test)

Definition at line 7 of file value_ptr_test.cc.

Function Documentation

BOOST_AUTO_TEST_CASE

(

nullptr_test

)

Definition at line 45 of file value_ptr_test.cc.

{
  value_ptr<int> p;
  BOOST_TEST(!p);
  BOOST_TEST(p == nullptr);
  BOOST_TEST(nullptr == p);
}

BOOST_AUTO_TEST_CASE

(

basic_test

)

Definition at line 53 of file value_ptr_test.cc.

{
  value_ptr<int> p(new int(16));
  BOOST_TEST(static_cast<bool>(p));
  BOOST_TEST(*p == 16);

  int* p_addr = p.get();
  value_ptr<int> q(p);
  BOOST_TEST(*p == *q);
  BOOST_TEST(p != q);
  BOOST_TEST(p_addr != q.get());

  p.reset(new int(0));
  BOOST_TEST(*p == 0);
  BOOST_TEST(p_addr != p.get());
}

BOOST_AUTO_TEST_CASE

(

compile_failure_test

)

Definition at line 70 of file value_ptr_test.cc.

{
#if 0
  value_ptr<double> p( new int(16) ); // unrelated types
  value_ptr<Base> b( new Derived );   // polymorphic, but no clone()
  value_ptr<Derived> d( new Base );   // no conversion in this direction
#endif
}

BOOST_AUTO_TEST_CASE

(

polymorphism_test

)

Definition at line 79 of file value_ptr_test.cc.

{
  value_ptr<Base, default_copy<Base>> b(new Base);
  BOOST_TEST(bool(b));
  BOOST_TEST(b->who() == std::string("Base"));

  value_ptr<Base, default_copy<Base> // request slicing
            >
    d(new Derived);
  BOOST_TEST(bool(d));
  BOOST_TEST(d->who() == std::string("Derived"));
}