1 // Copyright 2012 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 getters and setters pass unwrapped this values in strict mode 29 // and wrapped this values is non-strict mode. 30 31 function TestAccessorWrapping(primitive) { 32 var prototype = Object.getPrototypeOf(Object(primitive)) 33 // Check that strict mode passes unwrapped this value. 34 var strict_type = typeof primitive; 35 Object.defineProperty(prototype, "strict", { 36 get: function() { "use strict"; assertSame(strict_type, typeof this); }, 37 set: function() { "use strict"; assertSame(strict_type, typeof this); } 38 }); 39 primitive.strict = primitive.strict; 40 // Check that non-strict mode passes wrapped this value. 41 var sloppy_type = typeof Object(primitive); 42 Object.defineProperty(prototype, "sloppy", { 43 get: function() { assertSame(sloppy_type, typeof this); }, 44 set: function() { assertSame(sloppy_type, typeof this); } 45 }); 46 primitive.sloppy = primitive.sloppy; 47 } 48 49 TestAccessorWrapping(true); 50 TestAccessorWrapping(0); 51 TestAccessorWrapping({}); 52 TestAccessorWrapping(""); 53
