test262/test/language/module-code/early-dup-export-dflt-id.js
Mike Pennisi 81d00def42 Force "early error" tests to fail if evaluated
This pattern makes expectations more explicit by making test files more
literal.
2017-06-28 11:24:36 -04:00

20 lines
512 B
JavaScript

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-module-semantics-static-semantics-early-errors
es6id: 15.2.1.1
description: >
It is a Syntax Error if the ExportedNames of ModuleItemList contains any
duplicate entries.
flags: [module]
negative:
phase: early
type: SyntaxError
---*/
throw "Test262: This statement should not be evaluated.";
var x, y;
export default x;
export { y as default };