1a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Copyright 2008 the V8 project authors. All rights reserved. 2a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Redistribution and use in source and binary forms, with or without 3a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// modification, are permitted provided that the following conditions are 4a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// met: 5a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 6a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions of source code must retain the above copyright 7a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// notice, this list of conditions and the following disclaimer. 8a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions in binary form must reproduce the above 9a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// copyright notice, this list of conditions and the following 10a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// disclaimer in the documentation and/or other materials provided 11a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// with the distribution. 12a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Neither the name of Google Inc. nor the names of its 13a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// contributors may be used to endorse or promote products derived 14a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// from this software without specific prior written permission. 15a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 16a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 28a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Regression test cases for issue 1178598. 29a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 30a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Make sure const-initialization doesn't conflict 31a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// with heap-allocated locals for catch variables. 32a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar value = (function(){ 33a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block try { } catch(e) { 34a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Force the 'e' variable to be heap-allocated 35a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // by capturing it in a function closure. 36a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block (function() { e; }); 37a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 38a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Make sure the two definitions of 'e' do 39a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // not conflict in any way. 40a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block eval("const e=1"); 41a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return e; 42a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block})(); 43a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 44a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(1, value); 45a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 46a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 47a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 48a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Make sure that catch variables can be accessed using eval. 49a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar value = (function() { 50a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var result; 51a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block try { 52a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block throw 42; 53a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } catch (e) { 54a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block result = eval("e"); 55a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 56a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return result; 57a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block})(); 58a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 59a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(42, value); 60a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 61a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 62a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 63a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Make sure that heap-allocated locals for catch variables aren't 64a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// visible outside the catch scope and that they are visible from 65a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// within. 66a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar value = (function() { 67a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var result; 68a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block try { 69a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block throw 87; 70a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } catch(e) { 71a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Force the 'e' variable to be heap-allocated 72a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // by capturing it in a function closure. 73a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block (function() { e; }); 74a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block result = eval("e"); 75a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 76a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 77a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Expect accessing 'e' to yield an exception because 78a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // it is not defined in the current scope. 79a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block try { 80a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block eval("e"); 81a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(false); // should throw exception 82a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } catch(exception) { 83a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(exception instanceof ReferenceError); 84a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return result; 85a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 86a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block})(); 87a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 88a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(87, value); 89a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 90a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 91