regress-funarguments.js revision c7cc028aaeedbbfa11c11d0b7b243b3d9e837ed9 
1// Copyright 2012 the V8 project authors. All rights reserved.
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3// modification, are permitted provided that the following conditions are
4// met:
5//
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27
28// Flags: --allow-natives-syntax
29
30// Test function.arguments.
31
32function A() {}
33function B() {}
34
35function fee(x, y) {
36  if (x == 1) return fee["arg" + "uments"];
37  if (x == 2) return gee["arg" + "uments"];
38  return 42;
39}
40
41function gee(x) { return this.f(2 - x, "f"); }
42
43function foo(x, y) {
44  if (x == 0) return foo["arg" + "uments"];
45  if (x == 1) return goo["arg" + "uments"];
46  return 42;
47}
48
49function goo(x) { return this.f(x, "f"); }
50
51A.prototype.f = fee;
52A.prototype.g = gee;
53
54B.prototype.f = foo;
55B.prototype.g = goo;
56
57var o = new A();
58
59function hej(x) {
60  if (x == 0) return o.g(x, "h");
61  if (x == 1) return o.g(x, "h");
62  return o.g(x, "z");
63}
64
65function opt() {
66  for (var k=0; k<2; k++) {
67    for (var i=0; i<5; i++) o.g(i, "g");
68    for (var j=0; j<5; j++) hej(j);
69  }
70  %OptimizeFunctionOnNextCall(o.g);
71  %OptimizeFunctionOnNextCall(hej);
72}
73
74opt();
75assertArrayEquals([0, "g"], o.g(0, "g"));
76assertArrayEquals([1, "f"], o.g(1, "g"));
77assertArrayEquals([0, "h"], hej(0));
78assertArrayEquals([1, "f"], hej(1));
79
80o = new B();
81
82opt();
83assertArrayEquals([0, "f"], o.g(0, "g"));
84assertArrayEquals([1, "g"], o.g(1, "g"));
85assertArrayEquals([0, "f"], hej(0));
86assertArrayEquals([1, "h"], hej(1));
87