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.arguments. 29 30 function A() {} 31 function B() {} 32 33 function fee(x, y) { 34 if (x == 1) return fee["arg" + "uments"]; 35 if (x == 2) return gee["arg" + "uments"]; 36 return 42; 37 } 38 39 function gee(x) { return this.f(2 - x, "f"); } 40 41 function foo(x, y) { 42 if (x == 0) return foo["arg" + "uments"]; 43 if (x == 1) return goo["arg" + "uments"]; 44 return 42; 45 } 46 47 function goo(x) { return this.f(x, "f"); } 48 49 A.prototype.f = fee; 50 A.prototype.g = gee; 51 52 B.prototype.f = foo; 53 B.prototype.g = goo; 54 55 var o = new A(); 56 57 function hej(x) { 58 if (x == 0) return o.g(x, "h"); 59 if (x == 1) return o.g(x, "h"); 60 return o.g(x, "z"); 61 } 62 63 function stress() { 64 for (var i=0; i<5000000; i++) o.g(i, "g"); 65 for (var j=0; j<5000000; j++) hej(j); 66 } 67 68 stress(); 69 70 assertArrayEquals([0, "g"], o.g(0, "g")); 71 assertArrayEquals([1, "f"], o.g(1, "g")); 72 assertArrayEquals([0, "h"], hej(0)); 73 assertArrayEquals([1, "f"], hej(1)); 74 75 o = new B(); 76 77 stress(); 78 79 assertArrayEquals([0, "f"], o.g(0, "g")); 80 assertArrayEquals([1, "g"], o.g(1, "g")); 81 assertArrayEquals([0, "f"], hej(0)); 82 assertArrayEquals([1, "h"], hej(1)); 83
