newtarget.js (807B)
1 // Copyright (C) 2015 the V8 project authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 /*--- 4 esid: sec-map-iterable 5 description: > 6 The new Map object's prototype is Map.prototype 7 info: | 8 Map ( [ iterable ] ) 9 10 When the Map function is called with optional argument the following steps 11 are taken: 12 13 ... 14 2. Let map be OrdinaryCreateFromConstructor(NewTarget, "%MapPrototype%", 15 «[[MapData]]» ). 16 ... 17 18 ---*/ 19 20 var m1 = new Map(); 21 22 assert.sameValue( 23 Object.getPrototypeOf(m1), 24 Map.prototype, 25 "`Object.getPrototypeOf(m1)` returns `Map.prototype`" 26 ); 27 28 var m2 = new Map([ 29 [1, 1], 30 [2, 2] 31 ]); 32 33 assert.sameValue( 34 Object.getPrototypeOf(m2), 35 Map.prototype, 36 "`Object.getPrototypeOf(m2)` returns `Map.prototype`" 37 ); 38 39 reportCompare(0, 0);