test262/test/language/expressions/generators/params-trailing-comma-lengt...

22 lines
634 B
JavaScript

// Copyright (C) 2016 Jeff Morrison. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Check that trailing commas don't affect the .length property of generator
function expressions.
info: http://jeffmo.github.io/es-trailing-function-commas/
author: Jeff Morrison <lbljeffmo@gmail.com>
---*/
assert.sameValue(
(function*(a,) {}).length,
1,
"Generator expression with 1 arg + trailing comma reports incorrect .length!"
);
assert.sameValue(
(function*(a,b,) {}).length,
2,
"Generator expression with 2 args + trailing comma reports incorrect .length!"
);