test_namedfactory.cxx File Reference

#include "WireCellUtil/NamedFactory.h"
#include "WireCellUtil/Testing.h"
#include "WireCellUtil/Logging.h"
#include "WireCellUtil/Exceptions.h"

Go to the source code of this file.

Classes
class	ISomeComponent
class	SomeConcrete

Functions
int	main (int argc, char *argv[])

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 41 of file test_namedfactory.cxx.

{
    Testing::log(argv[0]);
    // for this test we cheat since the factory isn't in a shared library.
    make_SomeConcrete_factory();

    auto ins = WireCell::Factory::lookup<ISomeComponent>("SomeConcrete");
    AssertMsg(ins, "Failed to lookup 'SomeConcrete' with interface 'ISomeComponent'");
    info("Got SomeConcrete @ {:p}", (void*)ins.get());
    info("Got bogus @ {:p}", (void*)std::shared_ptr<ISomeComponent>().get());
    ins->chirp();

    bool caught = false;
    try {
        auto should_fail = WireCell::Factory::lookup<ISomeComponent>("NothingNamedThis");
    }
    catch (WireCell::FactoryException& e) {
        warn(errstr(e));
        info("^^^ Successfully failed to lookup a nonexistent component");
        caught=true;
    }
    AssertMsg(caught, "Failed to throw");
    info("Should not hear anything from this failed find_tn");
    std::shared_ptr<ISomeComponent> ptr
        = WireCell::Factory::find_maybe_tn<ISomeComponent>("SomeConcrete:doesnotexist");
    AssertMsg(ptr==nullptr, "Got non null for nonexistent named component");
    info("Success.  Next, 'find' should be successful");
    std::shared_ptr<ISomeComponent> ptr2
        = WireCell::Factory::find_maybe_tn<ISomeComponent>("SomeConcrete");
    debug("Got ptr2 @ {:p}", (void*)ptr2.get());
    AssertMsg(ptr2 != nullptr, "Got null for existing component");
//    AssertMsg(false, "Got null for existing component");
}