michael@0: // Map.prototype.get and .has basically work
michael@0: var m = new Map;
michael@0: 
michael@0: function rope() {
michael@0:     var s = "s";
michael@0:     for (var i = 0; i < 16; i++)
michael@0:         s += s;
michael@0:     return s;
michael@0: }
michael@0: 
michael@0: var keys = [undefined, null, true, false,
michael@0:             0, 1, 65535, 65536, 2147483647, 2147483648, 4294967295, 4294967296,
michael@0:             -1, -65536, -2147483648,
michael@0:             0.5, Math.sqrt(81), Math.PI,
michael@0:             Number.MAX_VALUE, -Number.MAX_VALUE, Number.MIN_VALUE, -Number.MIN_VALUE,
michael@0:             NaN, Infinity, -Infinity,
michael@0:             "", "\0", "a", "ab", "abcdefg", rope(),
michael@0:             {}, [], /a*b/, Object.prototype, Object];
michael@0: 
michael@0: for (var i = 0; i < keys.length; i++) {
michael@0:     // without being set
michael@0:     var key = keys[i];
michael@0:     assertEq(m.has(key), false);
michael@0:     assertEq(m.get(key), undefined);
michael@0: 
michael@0:     // after being set
michael@0:     var v = {};
michael@0:     assertEq(m.set(key, v), undefined);
michael@0:     assertEq(m.has(key), true);
michael@0:     assertEq(m.get(key), v);
michael@0: 
michael@0:     // after being deleted
michael@0:     assertEq(m.delete(key), true);
michael@0:     assertEq(m.has(key), false);
michael@0:     assertEq(m.get(key), undefined);
michael@0: 
michael@0:     m.set(key, v);
michael@0: }
michael@0: 
michael@0: for (var i = 0; i < keys.length; i++)
michael@0:     assertEq(m.has(keys[i]), true);