JezK
Edit File: regress-1178598.js
// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Regression test cases for issue 1178598. // Make sure const-initialization doesn't conflict // with heap-allocated locals for catch variables. var value = (function(){ try { } catch(e) { // Force the 'e' variable to be heap-allocated // by capturing it in a function closure. (function() { e; }); } // Make sure the two definitions of 'e' do // not conflict in any way. eval("const e=1"); return e; })(); assertEquals(1, value); // Make sure that catch variables can be accessed using eval. var value = (function() { var result; try { throw 42; } catch (e) { result = eval("e"); } return result; })(); assertEquals(42, value); // Make sure that heap-allocated locals for catch variables aren't // visible outside the catch scope and that they are visible from // within. var value = (function() { var result; try { throw 87; } catch(e) { // Force the 'e' variable to be heap-allocated // by capturing it in a function closure. (function() { e; }); result = eval("e"); } // Expect accessing 'e' to yield an exception because // it is not defined in the current scope. try { eval("e"); assertTrue(false); // should throw exception } catch(exception) { assertTrue(exception instanceof ReferenceError); return result; } })(); assertEquals(87, value);