// Copyright (C) 2014 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 14.5 description: > class arguments access ---*/ var constructCounts = { base: 0, subclass: 0, subclass2: 0 }; class Base { constructor() { constructCounts.base++; assert.sameValue(arguments.length, 2, "The value of `arguments.length` is `2`"); assert.sameValue(arguments[0], 1, "The value of `arguments[0]` is `1`"); assert.sameValue(arguments[1], 2, "The value of `arguments[1]` is `2`"); } } var b = new Base(1, 2); class Subclass extends Base { constructor() { constructCounts.subclass++; assert.sameValue(arguments.length, 2, "The value of `arguments.length` is `2`"); assert.sameValue(arguments[0], 3, "The value of `arguments[0]` is `3`"); assert.sameValue(arguments[1], 4, "The value of `arguments[1]` is `4`"); super(1, 2); } } var s = new Subclass(3, 4); assert.sameValue(Subclass.length, 0, "The value of `Subclass.length` is `0`, because there are 0 formal parameters"); class Subclass2 extends Base { constructor(x, y) { constructCounts.subclass2++; assert.sameValue(arguments.length, 2, "The value of `arguments.length` is `2`"); assert.sameValue(arguments[0], 3, "The value of `arguments[0]` is `3`"); assert.sameValue(arguments[1], 4, "The value of `arguments[1]` is `4`"); super(1, 2); } } var s2 = new Subclass2(3, 4); assert.sameValue(Subclass2.length, 2, "The value of `Subclass2.length` is `2`, because there are 2 formal parameters"); assert.sameValue(constructCounts.base, 3, "The value of `constructCounts.base` is `3`"); assert.sameValue(constructCounts.subclass, 1, "The value of `constructCounts.subclass` is `1`"); assert.sameValue(constructCounts.subclass2, 1, "The value of `constructCounts.subclass2` is `1`"); reportCompare(0, 0);