michael@0: // mapiter.next() returns an actual array.
michael@0: 
michael@0: load(libdir + "iteration.js");
michael@0: 
michael@0: var key = {};
michael@0: var map = Map([[key, 'value']]);
michael@0: var entry = map[std_iterator]().next().value;
michael@0: assertEq(Array.isArray(entry), true);
michael@0: assertEq(Object.getPrototypeOf(entry), Array.prototype);
michael@0: assertEq(Object.isExtensible(entry), true);
michael@0: 
michael@0: assertEq(entry.length, 2);
michael@0: var names = Object.getOwnPropertyNames(entry).sort();
michael@0: assertEq(names.length, 3);
michael@0: assertEq(names.join(","), "0,1,length");
michael@0: assertEq(entry[0], key);
michael@0: assertEq(entry[1], 'value');