// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 23.3.1.1 esid: sec-weakmap-iterable description: > Throws a TypeError if NewTarget is undefined. info: | 23.3.1.1 WeakMap ( [ iterable ] ) 1. If NewTarget is undefined, throw a TypeError exception. ---*/ assert.throws(TypeError, function() { WeakMap(); }); assert.throws(TypeError, function() { WeakMap([]); });