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pubsub.test.s2 at [428464d569]
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File s2/require.d/pubsub.test.s2 artifact 159e15ffee part of check-in 428464d569


/* Short demo of the pubsub require.s2 module. */
requireS2(
    ['nocache!pubsub'],
    proc(p){
        assert 'object' === typename p.$map /* testing internals */;
        assert 'integer' === typename p.$id /* testing internals */;
        print(__FLC, 'pubsub:');
        p.eachProperty(proc(){argv.unshift('\t');print.apply(print,argv)});
        var counter = 0;
        const id = p.sub('hi', proc(){
            ++counter;
            print(__FLC,'hi handler 1',argv);
        });
        const id2 = p.sub('bye', proc(){
            ++counter;
            print(__FLC,'bye handler',argv);
        });

        const id3 = p.sub('hi', proc(){
            ++counter;
            print(__FLC,'hi handler 2',argv);
        });

        print(__FLC, 'subscription IDs =',id, id2, id3);
        print("Publishing events...");
        p.pub('hi',0, __FLC);
        assert 2 === counter;

        p.pub('nope',1, __FLC);
        assert 2 === counter;

        p.pub('bye', 2, __FLC);
        assert 3 === counter;

        p.pub('hi',3, __FLC);
        assert 5 === counter;
        assert p.unsub(id);
        assert !p.unsub(id) /* no such subscription any more (anymore?)~98~98longer */;
        p.pub('hi',4, __FLC);
        assert 6 === counter;
        p.pub('bye', 5, __FLC);
        assert 7 === counter;
        print(__FLC, 'done');

        // Creating new pubsub managers:
        var p2 = p.new();
        assert 0 === p2.$id;
        assert p2.$map;
        assert p2.$map !== p.map;
        assert p2 !== p;
        assert !(p2 inherits p);
        assert p2 inherits p.prototype;
        assert p2.sub === p.sub;

        assert false === p.unsub(1);
        print(__FLC, 'really done');
        return p;
    }
);