// Copyright (C) 2015 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-weakmap.prototype.delete description: > Throws TypeError if `this` doesn't have a [[WeakMapData]] internal slot. info: | WeakMap.prototype.delete ( value ) ... 3. If M does not have a [[WeakMapData]] internal slot, throw a TypeError exception. ... ---*/ assert.throws(TypeError, function() { WeakMap.prototype.delete.call([], {}); }); assert.throws(TypeError, function() { var map = new WeakMap(); map.delete.call([], {}); }); reportCompare(0, 0);