ostream_handle_test.cc File Reference

#include "boost/test/unit_test.hpp"
#include "cetlib/ostream_handle.h"
#include <fstream>
#include <string>

Go to the source code of this file.

Macros
#define	BOOST_TEST_MODULE   (ostream_handle test)

Functions
	BOOST_AUTO_TEST_CASE (observer)
	BOOST_AUTO_TEST_CASE (owner)
	BOOST_AUTO_TEST_CASE (observerThenOwner)
	BOOST_AUTO_TEST_CASE (ownerThenObserver)

Macro Definition Documentation

#define BOOST_TEST_MODULE   (ostream_handle test)

Definition at line 1 of file ostream_handle_test.cc.

Function Documentation

BOOST_AUTO_TEST_CASE

(

observer

)

Definition at line 26 of file ostream_handle_test.cc.

{
  std::ostringstream oss;
  ostream_handle obs{oss};
  obs << "a";
  BOOST_TEST(oss.str() == "a"s);
}

BOOST_AUTO_TEST_CASE

(

owner

)

Definition at line 34 of file ostream_handle_test.cc.

{
  std::string const fileName{"owner.txt"};
  {
    ostream_handle own{fileName};
    BOOST_TEST(static_cast<bool>(own));
    own << "a";
  }
  BOOST_TEST(file_contents(fileName) == "a"s);
}

BOOST_AUTO_TEST_CASE

(

observerThenOwner

)

Definition at line 45 of file ostream_handle_test.cc.

{
  std::string const fileName{"observerThenOwner.txt"};
  {
    std::ostringstream oss;
    ostream_handle os{oss};
    os << "a";
    ostream_handle own{fileName};
    own << "b";
    os = std::move(own);
    os << "c";
  }
  BOOST_TEST(file_contents(fileName) == "bc"s);
}

BOOST_AUTO_TEST_CASE

(

ownerThenObserver

)

Definition at line 60 of file ostream_handle_test.cc.

{
  std::string const fileName{"ownerThenObserver.txt"};
  {
    ostream_handle os{fileName};
    os << "a";
    std::ostringstream oss;
    ostream_handle obs{oss};
    obs << "b";
    os = std::move(obs);
    os << "c";
    BOOST_TEST(oss.str() == "bc"s);
  }
  BOOST_TEST(file_contents(fileName) == "a"s);
}