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27
28// Flags: --allow-natives-syntax
29
30// Test loading a constant function on the prototype chain.
31
32var c = Object.create;
33var obj4 = c(null, { f4: { value: function() { return 4; }, writable: true }});
34var obj3 = c(obj4, { f3: { value: function() { return 3; }, writable: true }});
35var obj2 = c(obj3, { f2: { value: function() { return 2; }, writable: true }});
36var obj1 = c(obj2, { f1: { value: function() { return 1; }, writable: true }});
37var obj0 = c(obj1, { f0: { value: function() { return 0; }, writable: true }});
38
39function get4(obj) { return obj.f4; }
40
41assertEquals(4, get4(obj0)());
42assertEquals(4, get4(obj0)());
43%OptimizeFunctionOnNextCall(get4);
44assertEquals(4, get4(obj0)());
45obj4.f4 = function() { return 5; };
46assertEquals(5, get4(obj0)());
47
48function get3(obj) { return obj.f3; }
49
50assertEquals(3, get3(obj0)());
51assertEquals(3, get3(obj0)());
52%OptimizeFunctionOnNextCall(get3);
53assertEquals(3, get3(obj0)());
54obj2.f3 = function() { return 6; };
55assertEquals(6, get3(obj0)());
56