1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
if (typeof TypedObject === "undefined")
quit();
var T = TypedObject;
var ObjectStruct = new T.StructType({f: T.Object});
var StringStruct = new T.StructType({f: T.string});
var ValueStruct = new T.StructType({f: T.Any});
// Suppress ion compilation of the global script.
with({}){}
var o = new ObjectStruct();
var s = new StringStruct();
var v = new ValueStruct();
// Make sure that unboxed null pointers on the stack are marked correctly.
whatever = new Array();
function testGC(o, p) {
for (var i = 0; i < 5; i++) {
minorgc();
o.f = p;
whatever.push(new Array()); // minorgc needs garbage before it scans the stack.
}
}
testGC(o, {});
testGC(o, null);
// Test writing various things to an object field.
function writeObject(o, v, expected) {
o.f = v;
assertEq(typeof o.f, "object");
assertEq("" + o.f, expected);
}
for (var i = 0; i < 5; i++)
writeObject(o, {toString: function() { return "helo"} }, "helo");
for (var i = 0; i < 5; i++)
writeObject(o, null, "null");
for (var i = 0; i < 5; i++)
writeObject(o, "three", "three");
for (var i = 0; i < 5; i++)
writeObject(o, 4.5, "4.5");
for (var i = 0; i < 5; i++) {
try {
writeObject(o, undefined, "");
} catch (e) {
assertEq(e instanceof TypeError, true);
}
}
// Test writing various things to a string field.
function writeString(o, v, expected) {
o.f = v;
assertEq(typeof o.f, "string");
assertEq("" + o.f, expected);
}
for (var i = 0; i < 5; i++)
writeString(s, {toString: function() { return "helo"} }, "helo");
for (var i = 0; i < 5; i++)
writeString(s, null, "null");
for (var i = 0; i < 5; i++)
writeString(s, "three", "three");
for (var i = 0; i < 5; i++)
writeString(s, 4.5, "4.5");
for (var i = 0; i < 5; i++)
writeString(s, undefined, "undefined");
// Test writing various things to a value field.
function writeValue(o, v, expectedType, expected) {
o.f = v;
assertEq(typeof o.f, expectedType);
assertEq("" + o.f, expected);
}
for (var i = 0; i < 5; i++)
writeValue(v, {toString: function() { return "helo"} }, "object", "helo");
for (var i = 0; i < 5; i++)
writeValue(v, null, "object", "null");
for (var i = 0; i < 5; i++)
writeValue(v, "three", "string", "three");
for (var i = 0; i < 5; i++)
writeValue(v, 4.5, "number", "4.5");
for (var i = 0; i < 5; i++)
writeValue(v, undefined, "undefined", "undefined");
|