1// Copyright 2015 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// Flags: --strong-mode 6 7(function NoForInStatement() { 8 assertThrows("'use strong'; for (x in []) {}", SyntaxError); 9 assertThrows("'use strong'; for (let x in []) {}", SyntaxError); 10 assertThrows("'use strong'; for (const x in []) {}", SyntaxError); 11})(); 12 13(function ForOfStatement() { 14 assertTrue(eval("'use strong'; for (x of []) {} true")); 15 assertTrue(eval("'use strong'; for (let x of []) {} true")); 16 assertTrue(eval("'use strong'; for (const x of []) {} true")); 17})(); 18