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 32 function f() { for (x of y) { } } 33 function f() { for (var x of y) { } } 34 function f() { for (let x of y) { } } 35 36 function StrictSyntaxError(s) { 37 try { 38 eval(s); 39 } catch (e) { 40 assertInstanceof(e, SyntaxError); 41 return; 42 } 43 throw "did not throw"; 44 } 45 46 StrictSyntaxError("function f() { for (x of) { } }"); 47 StrictSyntaxError("function f() { for (x of y z) { } }"); 48 StrictSyntaxError("function f() { for (x of y;) { } }"); 49 50 StrictSyntaxError("function f() { for (var x of) { } }"); 51 StrictSyntaxError("function f() { for (var x of y z) { } }"); 52 StrictSyntaxError("function f() { for (var x of y;) { } }"); 53 54 StrictSyntaxError("function f() { for (let x of) { } }"); 55 StrictSyntaxError("function f() { for (let x of y z) { } }"); 56 StrictSyntaxError("function f() { for (let x of y;) { } }"); 57 58 StrictSyntaxError("function f() { for (of y) { } }"); 59 StrictSyntaxError("function f() { for (of of) { } }"); 60 StrictSyntaxError("function f() { for (var of y) { } }"); 61 StrictSyntaxError("function f() { for (var of of) { } }"); 62 StrictSyntaxError("function f() { for (let of y) { } }"); 63 StrictSyntaxError("function f() { for (let of of) { } }"); 64 65 StrictSyntaxError("function f() { for (x = 3 of y) { } }"); 66 StrictSyntaxError("function f() { for (var x = 3 of y) { } }"); 67 StrictSyntaxError("function f() { for (let x = 3 of y) { } }"); 68 69 70 // Alack, this appears to be valid. 71 function f() { for (of of y) { } } 72 function f() { for (let of of y) { } } 73 function f() { for (var of of y) { } } 74 75 // This too, of course. 76 function f() { for (of in y) { } } 77 function f() { for (var of in y) { } } 78 function f() { for (let of in y) { } } 79
