v8/test/mjsunit/harmony/trailing-commas-length.js
Adam Klein 1c7e463962 [cleanup] Remove on-by-default --harmony-trailing-commas flag
This feature has been on by default without incident
since V8 5.8.

Bug: v8:5051
Change-Id: I1baf81922efd87e07448955147c50a5ba5a0aa42
Reviewed-on: https://chromium-review.googlesource.com/532214
Reviewed-by: Daniel Ehrenberg <littledan@chromium.org>
Commit-Queue: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45881}
2017-06-13 00:09:23 +00:00

30 lines
862 B
JavaScript

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
function f1(a,) {}
function f2(a,b,) {}
function f3(a,b,c,) {}
assertEquals(1, f1.length);
assertEquals(2, f2.length);
assertEquals(3, f3.length);
function* g1(a,) {}
function* g2(a,b,) {}
function* g3(a,b,c,) {}
assertEquals(1, g1.length);
assertEquals(2, g2.length);
assertEquals(3, g3.length);
assertEquals(1, (function(a,) {}).length);
assertEquals(2, (function(a,b,) {}).length);
assertEquals(3, (function(a,b,c,) {}).length);
assertEquals(1, (function*(a,) {}).length);
assertEquals(2, (function*(a,b,) {}).length);
assertEquals(3, (function*(a,b,c,) {}).length);
assertEquals(1, ((a,) => {}).length);
assertEquals(2, ((a,b,) => {}).length);
assertEquals(3, ((a,b,c,) => {}).length);