michael@0: // Iterators of different collection types have different prototypes.
michael@0: 
michael@0: load(libdir + "iteration.js");
michael@0: 
michael@0: var aproto = Object.getPrototypeOf(Array()[std_iterator]());
michael@0: var mproto = Object.getPrototypeOf(Map()[std_iterator]());
michael@0: var sproto = Object.getPrototypeOf(Set()[std_iterator]());
michael@0: assertEq(aproto !== mproto, true);
michael@0: assertEq(aproto !== sproto, true);
michael@0: assertEq(mproto !== sproto, true);
michael@0: assertEq(aproto.next !== mproto.next, true);
michael@0: assertEq(aproto.next !== sproto.next, true);
michael@0: assertEq(mproto.next !== sproto.next, true);