test_singleton.cxx File Reference

#include "WireCellUtil/Singleton.h"
#include "WireCellUtil/Testing.h"
#include "WireCellUtil/Logging.h"

Go to the source code of this file.

Classes
class	Foo
	Foo. More...

Typedefs
typedef WireCell::Singleton< Foo >	OnlyFoo

Functions
int	main ()

Typedef Documentation

typedef WireCell::Singleton<Foo> OnlyFoo

Definition at line 14 of file test_singleton.cxx.

Function Documentation

int main

(

void

)

Definition at line 16 of file test_singleton.cxx.

{
    info("First time:");
    Foo* foo1 = &OnlyFoo::Instance();
    Foo* foo2 = &OnlyFoo::Instance();

    Assert(foo1 == foo2);

    OnlyFoo::Instance().chirp();
    info("Second time:");
    OnlyFoo::Instance().chirp();

    Foo* foo3 = &WireCell::Singleton<Foo>::Instance();
    Assert(foo3 == foo1);

}