1// Copyright 2010 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// Tests loading of aguments across eval calls. 29 30// Test loading across an eval call that does not shadow variables. 31function testNoShadowing(x, h) { 32 function f() { 33 eval('1'); 34 assertEquals(1, x); 35 assertEquals(2, h()); 36 function g() { 37 assertEquals(1, x); 38 assertEquals(2, h()); 39 } 40 g(); 41 } 42 f(); 43} 44 45testNoShadowing(1, function() { return 2; }); 46 47// Test loading across eval calls that do not shadow variables. 48function testNoShadowing2(x, h) { 49 eval('1'); 50 function f() { 51 eval('1'); 52 assertEquals(1, x); 53 assertEquals(2, h()); 54 function g() { 55 assertEquals(1, x); 56 assertEquals(2, h()); 57 } 58 g(); 59 } 60 f(); 61} 62 63testNoShadowing2(1, function() { return 2; }); 64 65// Test loading across an eval call that shadows variables. 66function testShadowing(x, h) { 67 function f() { 68 assertEquals(1, x); 69 assertEquals(2, h()); 70 eval('var x = 3; var h = function() { return 4; };'); 71 assertEquals(3, x); 72 assertEquals(4, h()); 73 function g() { 74 assertEquals(3, x); 75 assertEquals(4, h()); 76 } 77 g(); 78 } 79 f(); 80 assertEquals(1, x); 81 assertEquals(2, h()); 82} 83 84testShadowing(1, function() { return 2; }); 85 86 87