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 // Test that installing a getter on the global object instead of a 29 // normal property works. 30 31 x = 0; 32 33 function getX() { return x; } 34 35 for (var i = 0; i < 10; i++) { 36 assertEquals(i < 5 ? 0 : 42, getX()); 37 if (i == 4) __defineGetter__("x", function() { return 42; }); 38 } 39 40 41 // Test that installing a setter on the global object instead of a 42 // normal property works. 43 44 y = 0; 45 var setter_y; 46 47 function setY(value) { y = value; } 48 49 for (var i = 0; i < 10; i++) { 50 setY(i); 51 assertEquals(i < 5 ? i : 2 * i, y); 52 if (i == 4) { 53 __defineSetter__("y", function(value) { setter_y = 2 * value; }); 54 __defineGetter__("y", function() { return setter_y; }); 55 } 56 } 57 58 59 // Test that replacing a getter with a normal property works as 60 // expected. 61 62 __defineGetter__("z", function() { return 42; }); 63 64 function getZ() { return z; } 65 66 for (var i = 0; i < 10; i++) { 67 assertEquals(i < 5 ? 42 : 0, getZ()); 68 if (i == 4) { 69 delete z; 70 z = 0; 71 } 72 } 73
