1 // Copyright 2008 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 function load(o) { 29 return o.x; 30 }; 31 32 function store(o) { 33 o.y = 42; 34 }; 35 36 function call(o) { 37 return o.f(); 38 }; 39 40 // Create a slow-case object (with hashed properties). 41 var o = { x: 42, f: function() { }, z: 100 }; 42 delete o.z; 43 44 // Initialize IC stubs. 45 load(o); 46 store(o); 47 call(o); 48 49 50 // Create a new slow-case object (with hashed properties) and add 51 // setter and getter properties to the object. 52 var o = { z: 100 }; 53 delete o.z; 54 o.__defineGetter__("x", function() { return 100; }); 55 o.__defineSetter__("y", function(value) { this.y_mirror = value; }); 56 o.__defineGetter__("f", function() { return function() { return 300; }}); 57 58 // Perform the load checks. 59 assertEquals(100, o.x, "normal load"); 60 assertEquals(100, load(o), "ic load"); 61 62 // Perform the store checks. 63 o.y = 200; 64 assertEquals(200, o.y_mirror, "normal store"); 65 store(o); 66 assertEquals(42, o.y_mirror, "ic store"); 67 68 // Perform the call checks. 69 assertEquals(300, o.f(), "normal call"); 70 assertEquals(300, call(o), "ic call"); 71
