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27
28// Test dictionary store ICs.
29
30// Function that stores property 'x' on an object.
31function store(obj) { obj.x = 42; }
32
33// Create object and force it to dictionary mode by deleting property.
34var o = { x: 32, y: 33 };
35delete o.y;
36
37// Make the store ic in the 'store' function go into dictionary store
38// case.
39for (var i = 0; i < 3; i++) {
40  store(o);
41}
42assertEquals(42, o.x);
43
44// Test that READ_ONLY property attribute is respected. Make 'x'
45// READ_ONLY.
46Object.defineProperty(o, 'x', { value: 32, writable: false });
47
48// Attempt to store using the store ic in the 'store' function.
49store(o);
50
51// Check that the store did not change the value.
52assertEquals(32, o.x);
53
54// Check that bail-out code works.
55// Smi.
56store(1);
57// Fast case object.
58o = new Object();
59store(o);
60assertEquals(42, o.x);
61// Slow case object without x property.
62delete o.x;
63store(o);
64assertEquals(42, o.x);
65
66