Map-iterator-pairs-1.js

Enable keyboard shortcuts

// mapiter.next() returns an actual array.

load(libdir + "iteration.js");

var key = {};

var map = new Map([[key, 'value']]);

var entry = map[Symbol.iterator]().next().value;

assertEq(Array.isArray(entry), true);

assertEq(Object.getPrototypeOf(entry), Array.prototype);

assertEq(Object.isExtensible(entry), true);

assertEq(entry.length, 2);

var names = Object.getOwnPropertyNames(entry).sort();

assertEq(names.length, 3);

assertEq(names.join(","), "0,1,length");

assertEq(entry[0], key);

assertEq(entry[1], 'value');