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 function.caller. 29function A() {} 30 31function fun(x) { 32 if (x == 0) return fun.caller; 33 if (x == 1) return gee.caller; 34 return 42; 35} 36function gee(x) { return this.f(x); } 37 38A.prototype.f = fun; 39A.prototype.g = gee; 40 41var o = new A(); 42 43for (var i=0; i<5000000; i++) { 44 o.g(i); 45} 46assertEquals(gee, o.g(0)); 47assertEquals(null, o.g(1)); 48 49// Test when called from another function. 50function hej(x) { 51 if (x == 0) return o.g(x); 52 if (x == 1) return o.g(x); 53 return o.g(x); 54} 55 56for (var j=0; j<5000000; j++) { 57 hej(j); 58} 59assertEquals(gee, hej(0)); 60assertEquals(hej, hej(1)); 61 62// Test when called from eval. 63function from_eval(x) { 64 if (x == 0) return eval("o.g(x);"); 65 if (x == 1) return eval("o.g(x);"); 66 return o.g(x); 67} 68 69for (var j=0; j<5000000; j++) { 70 from_eval(j); 71} 72assertEquals(gee, from_eval(0)); 73assertEquals(from_eval, from_eval(1)); 74