1// Copyright 2013 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Test for-of syntax. 29 30"use strict"; 31 32function f() { for (x of y) { } } 33function f() { for (var x of y) { } } 34function f() { for (let x of y) { } } 35 36function StrictSyntaxError(s) { 37 try { 38 eval(s); 39 } catch (e) { 40 assertInstanceof(e, SyntaxError); 41 return; 42 } 43 throw "did not throw"; 44} 45 46StrictSyntaxError("function f() { for (x of) { } }"); 47StrictSyntaxError("function f() { for (x of y z) { } }"); 48StrictSyntaxError("function f() { for (x of y;) { } }"); 49 50StrictSyntaxError("function f() { for (var x of) { } }"); 51StrictSyntaxError("function f() { for (var x of y z) { } }"); 52StrictSyntaxError("function f() { for (var x of y;) { } }"); 53 54StrictSyntaxError("function f() { for (let x of) { } }"); 55StrictSyntaxError("function f() { for (let x of y z) { } }"); 56StrictSyntaxError("function f() { for (let x of y;) { } }"); 57 58StrictSyntaxError("function f() { for (of y) { } }"); 59StrictSyntaxError("function f() { for (of of) { } }"); 60StrictSyntaxError("function f() { for (var of y) { } }"); 61StrictSyntaxError("function f() { for (var of of) { } }"); 62StrictSyntaxError("function f() { for (let of y) { } }"); 63StrictSyntaxError("function f() { for (let of of) { } }"); 64 65StrictSyntaxError("function f() { for (x = 3 of y) { } }"); 66StrictSyntaxError("function f() { for (var x = 3 of y) { } }"); 67StrictSyntaxError("function f() { for (let x = 3 of y) { } }"); 68 69 70// Alack, this appears to be valid. 71function f() { for (of of y) { } } 72function f() { for (let of of y) { } } 73function f() { for (var of of y) { } } 74 75// This too, of course. 76function f() { for (of in y) { } } 77function f() { for (var of in y) { } } 78function f() { for (let of in y) { } } 79