test262/test/language/rest-parameters/with-new-target.js

// Copyright (C) 2014 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 14.1
description: >
    with new target
includes: [compareArray.js]
---*/
class Base {
  constructor(...a) {
    assert.sameValue(
      arguments.length,
      a.length,
      'The value of arguments.length is expected to equal the value of a.length'
    );
    this.base = a;
    var args = [];
    for (var i = 0; i < arguments.length; ++i) {
      args.push(arguments[i]);
    }
    assert.compareArray(args, a, 'The value of args is expected to equal the value of a');
  }
}
class Child extends Base {
  constructor(...b) {
    super(1, 2, 3);
    assert.sameValue(
      arguments.length,
      b.length,
      'The value of arguments.length is expected to equal the value of b.length'
    );
    this.child = b;
    var args = [];
    for (var i = 0; i < arguments.length; ++i) {
      args.push(arguments[i]);
    }
    assert.compareArray(args, b, 'The value of args is expected to equal the value of b');
  }
}

var c = new Child(1, 2, 3);

assert.sameValue(c.child.length, 3, 'The value of c.child.length is expected to be 3');
assert.sameValue(c.base.length, 3, 'The value of c.base.length is expected to be 3');

assert.compareArray(
  c.child, [1, 2, 3],
  'The value of c.child is expected to be [1, 2, 3]'
);
assert.compareArray(
  c.base, [1, 2, 3],
  'The value of c.base is expected to be [1, 2, 3]'
);