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 var o = [ function f0() { throw new Error(); }, 29 function f1() { o[0](); }, 30 function f2() { o[1](); }, 31 function f3() { o[2](); } ]; 32 33 Error.prepareStackTrace = function(error, frames) { 34 Error.prepareStackTrace = undefined; // Prevent recursion. 35 try { 36 assertEquals(5, frames.length); 37 // Don't check the last frame since that's the top-level code. 38 for (var i = 0; i < frames.length - 1; i++) { 39 assertEquals(o[i], frames[i].getFunction()); 40 assertEquals(o, frames[i].getThis()); 41 // Private fields are no longer accessible. 42 assertEquals(undefined, frames[i].receiver); 43 assertEquals(undefined, frames[i].fun); 44 assertEquals(undefined, frames[i].pos); 45 } 46 return "success"; 47 } catch (e) { 48 return "fail"; 49 } 50 } 51 52 try { 53 o[3](); 54 } catch (e) { 55 assertEquals("success", e.stack); 56 }; 57 58 59 var o = [ function f0() { throw new Error(); }, 60 function f1() { o[0](); }, 61 function f2() { "use strict"; o[1](); }, 62 function f3() { o[2](); } ]; 63 64 Error.prepareStackTrace = function(error, frames) { 65 Error.prepareStackTrace = undefined; // Prevent recursion. 66 try { 67 assertEquals(5, frames.length); 68 for (var i = 0; i < 2; i++) { 69 // The first two frames are still sloppy mode. 70 assertEquals(o[i], frames[i].getFunction()); 71 assertEquals(o, frames[i].getThis()); 72 } 73 for (var i = 2; i < frames.length; i++) { 74 // The rest are poisoned by the first strict mode function. 75 assertEquals(undefined, frames[i].getFunction()); 76 assertEquals(undefined, frames[i].getThis()); 77 } 78 for (var i = 0; i < frames.length - 1; i++) { 79 // Function name remains accessible. 80 assertEquals("f"+i, frames[i].getFunctionName()); 81 } 82 return "success"; 83 } catch (e) { 84 return e; 85 } 86 } 87 88 try { 89 o[3](); 90 } catch (e) { 91 assertEquals("success", e.stack); 92 }; 93 94 95 var o = [ function f0() { "use strict"; throw new Error(); }, 96 function f1() { o[0](); }, 97 function f2() { o[1](); }, 98 function f3() { o[2](); } ]; 99 100 Error.prepareStackTrace = function(error, frames) { 101 Error.prepareStackTrace = undefined; // Prevent recursion. 102 try { 103 assertEquals(5, frames.length); 104 for (var i = 0; i < frames.length; i++) { 105 // The rest are poisoned by the first strict mode function. 106 assertEquals(undefined, frames[i].getFunction()); 107 assertEquals(undefined, frames[i].getThis()); 108 if (i < frames.length - 1) { // Function name remains accessible. 109 assertEquals("f"+i, frames[i].getFunctionName()); 110 } 111 } 112 return "success"; 113 } catch (e) { 114 return e; 115 } 116 } 117 118 try { 119 o[3](); 120 } catch (e) { 121 assertEquals("success", e.stack); 122 }; 123
