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("KDE JS Test"); 25 // Tests for raising --- and non-raising exceptions on access to reference to undefined things... 26 27 // Locals should throw on access if undefined.. 28 fnShouldThrow(function() { a = x; }, ReferenceError); 29 30 // Read-modify-write versions of assignment should throw as well 31 fnShouldThrow(function() { x += "foo"; }, ReferenceError); 32 33 // Other reference types should just return undefined... 34 a = new Object(); 35 fnShouldNotThrow(function() { b = a.x; }); 36 fnShouldNotThrow(function() { b = a['x']; }); 37 fnShouldNotThrow(function() { a['x'] += 'baz'; }); 38 shouldBe("a['x']", '"undefinedbaz"'); 39 fnShouldNotThrow(function() { b = a.y; }); 40 fnShouldNotThrow(function() { a.y += 'glarch'; }); 41 shouldBe("a['y']", '"undefinedglarch"'); 42 43 44 // Helpers! 45 function fnShouldThrow(f, exType) 46 { 47 var exception; 48 var _av; 49 try { 50 _av = f(); 51 } catch (e) { 52 exception = e; 53 } 54 55 if (exception) { 56 if (typeof exType == "undefined" || exception instanceof exType) 57 testPassed(f + " threw exception " + exception + "."); 58 else 59 testFailed(f + " should throw exception " + exType + ". Threw exception " + exception + "."); 60 } else if (typeof _av == "undefined") 61 testFailed(f + " should throw exception " + exType + ". Was undefined."); 62 else 63 testFailed(f + " should throw exception " + exType + ". Was " + _av + "."); 64 } 65 66 function fnShouldNotThrow(f) 67 { 68 try { 69 f(); 70 testPassed(f + " did not throw an exception"); 71 } catch (e) { 72 testFailed(f + " threw an exception " + e + " when no exception expected"); 73 } 74 } 75