1 // Copyright 2013 the V8 project authors. All rights reserved. 2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions 6 // are met: 7 // 1. Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // 2. Redistributions in binary form must reproduce the above copyright 10 // notice, this list of conditions and the following disclaimer in the 11 // documentation and/or other materials provided with the distribution. 12 // 13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 24 description( 25 "This test checks for a couple of specific ways that bugs in toString() round trips have changed the meanings of functions with var declarations inside for loops." 26 ); 27 28 function f1() { for (var j = 1 in []) {} } 29 var f2 = function () { for (var j = 1; j < 10; ++j) {} } 30 var f3 = function () { for (j = 1;j < 10; ++j) {} } 31 var f4 = function () { for (var j;;) {} } 32 33 var unevalf = function(x) { return '(' + x.toString() + ')'; } 34 35 shouldBe("unevalf(eval(unevalf(f1)))", "unevalf(f1)"); 36 shouldBe("unevalf(eval(unevalf(f2)))", "unevalf(f2)"); 37 shouldBe("unevalf(eval(unevalf(f3)))", "unevalf(f3)"); 38 shouldBe("unevalf(eval(unevalf(f4)))", "unevalf(f4)"); 39 shouldBe("unevalf(f2) != unevalf(f3)", "true"); 40
