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 // Test that exceptions are not thrown when setting properties on object 29 // that have only a getter in a prototype object, except when we are in strict 30 // mode where exceptsions should be thrown. 31 32 var o = {}; 33 var p = {}; 34 p.__defineGetter__('x', function(){}); 35 p.__defineGetter__(0, function(){}); 36 o.__proto__ = p; 37 38 assertDoesNotThrow("o.x = 42"); 39 assertDoesNotThrow("o[0] = 42"); 40 41 assertThrows(function() { 'use strict'; o.x = 42; }); 42 assertThrows(function() { 'use strict'; o[0] = 42; }); 43 44 function f() { 45 with(o) { 46 x = 42; 47 } 48 } 49 50 assertDoesNotThrow(f); 51 52 __proto__ = p; 53 function g() { 54 eval('1'); 55 x = 42; 56 } 57 58 function g_strict() { 59 'use strict'; 60 eval('1'); 61 x = 42; 62 } 63 64 assertDoesNotThrow(g); 65 assertThrows(g_strict); 66 67 __proto__ = p; 68 function g2() { 69 this[0] = 42; 70 } 71 72 function g2_strict() { 73 'use strict'; 74 this[0] = 42; 75 } 76 77 assertDoesNotThrow(g2); 78 assertThrows(g2_strict); 79