1 // Copyright 2009 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 global loads from nested eval. 29 30 var x = 42; 31 32 // Load the global. 33 function test(source) { 34 eval('eval(' + source +')'); 35 } 36 test('assertEquals(42, x)'); 37 38 // Shadow variable with a with statement. 39 function testWith(source) { 40 with ({ x: 1 }) { 41 eval('eval(' + source +')'); 42 } 43 } 44 testWith('assertEquals(1, x)'); 45 46 // Shadow variable with an eval-introduced variable. 47 function testEval(source) { 48 eval('var x = 1'); 49 function f() { 50 eval('eval('+ source + ')'); 51 } 52 f(); 53 } 54 testEval('assertEquals(1, x)'); 55 56 // Eval that does not shadow. 57 function testEvalDontShadow(source) { 58 eval('1'); 59 eval('eval(' + source +')'); 60 } 61 testEvalDontShadow('assertEquals(42, x)'); 62
