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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
function f(o) {
return Object.keys(o)
}
po = {
failure: 'hello'
}
o = {about: 5,
ballisitic: 6,
cakebread: 8,
dalespeople: 9,
evilproof: 20,
fairgoing: 30,
gargoylish: 2,
harmonici: 1,
jinniwink: 12,
kaleidoscopical: 2,
labellum: 1,
macadamization: 4,
neutrino: 1,
observership: 0,
quadratomandibular: 9,
rachicentesis: 1,
saltcat: 0,
trousseau: 1,
view: 10,
wheelbox: 2,
xerography: 1,
yez: 3,
}
Object.setPrototypeOf(o, po);
// Initialize for-in cache for o.
for (var prop in o) {
print(prop)
}
function test(o) {
for (var i = 0; i<10; i++) {
res = f(o);
assertEq(false, res.includes("failure") );
// assertEq(true, res.includes("1") );
}
}
// Verify things.
test(o)
po[2] = "hi";
test(o);
po[3] = "bye";
for (var prop in o) {
assertEq(prop == "gnome", false);
}
test(o);
o2 = {about: 5,
ballisitic: 6,
cakebread: 8,
dalespeople: 9,
evilproof: 20,
fairgoing: 30,
gargoylish: 2,
harmonici: 1,
jinniwink: 12,
kaleidoscopical: 2,
labellum: 1,
macadamization: 4,
neutrino: 1,
observership: 0,
quadratomandibular: 9,
rachicentesis: 1,
saltcat: 0,
trousseau: 1,
view: 10,
wheelbox: 2,
xerography: 1,
yez: 3,
"1": 10,
}
// Initialize for-in cache for o.
for (var prop in o2) {
if (prop == "abra") print(prop);
}
// Verify things.
test(o2)
for (var i = 0; i < 20; i++) {
assertEq(Object.keys(o2).includes("1"), true);
}
let o3 = {about: 5,
ballisitic: 6,
cakebread: 8,
dalespeople: 9,
evilproof: 20,
fairgoing: 30,
gargoylish: 2,
harmonici: 1,
jinniwink: 12,
kaleidoscopical: 2,
labellum: 1,
macadamization: 4,
neutrino: 1,
observership: 0,
quadratomandibular: 9,
rachicentesis: 1,
saltcat: 0,
trousseau: 1,
view: 10,
wheelbox: 2,
xerography: 1,
yez: 3,
}
// Initialize for-in cache for o.
for (var prop in o2) {
if (prop == "abra") print(prop);
}
// Verify things.
test(o3)
for (var i = 0; i < 20; i++) {
assertEq(Object.keys(o3).includes("yez"), true);
}
|