Strict mode Passingnon-Strict mode Passing
Features:
- Symbol
// 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-map.prototype.clear description: > Throws a TypeError if `this` is not an Object. info: | Map.prototype.clear ( ) 1. Let M be the this value. 2. If Type(M) is not Object, throw a TypeError exception. ... features: [Symbol] ---*/ assert.throws(TypeError, function() { Map.prototype.clear.call(1); }); assert.throws(TypeError, function() { Map.prototype.clear.call(true); }); assert.throws(TypeError, function() { Map.prototype.clear.call(''); }); assert.throws(TypeError, function() { Map.prototype.clear.call(null); }); assert.throws(TypeError, function() { Map.prototype.clear.call(undefined); }); assert.throws(TypeError, function() { Map.prototype.clear.call(Symbol()); });