-
Notifications
You must be signed in to change notification settings - Fork 464
/
Copy pathint_overflow_test.js
201 lines (195 loc) · 6.75 KB
/
int_overflow_test.js
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
'use strict';
var Mt = require("./mt.js");
var Block = require("../../lib/js/block.js");
var Int32 = require("../../lib/js/int32.js");
var Caml_int32 = require("../../lib/js/caml_int32.js");
var Caml_string = require("../../lib/js/caml_string.js");
function hash_variant(s) {
var accu = 0;
for(var i = 0 ,i_finish = s.length - 1 | 0; i <= i_finish; ++i){
accu = Caml_int32.imul(223, accu) + Caml_string.get(s, i) & 2147483647;
}
if (accu > 1073741823) {
return accu - -2147483648 | 0;
} else {
return accu;
}
}
function hash_variant2(s) {
var accu = 0;
for(var i = 0 ,i_finish = s.length - 1 | 0; i <= i_finish; ++i){
accu = Caml_int32.imul(223, accu) + Caml_string.get(s, i) | 0;
}
accu = accu & 2147483647;
if (accu > 1073741823) {
return accu - -2147483648 | 0;
} else {
return accu;
}
}
function fib(n) {
if (n !== 0 && n !== 1) {
return fib(n - 1 | 0) + fib(n - 2 | 0) | 0;
} else {
return 1;
}
}
Mt.from_pair_suites("int_overflow_test.ml", /* :: */[
/* tuple */[
"plus_overflow",
(function () {
return /* Eq */Block.__(0, [
/* true */1,
+((Int32.max_int + 1 | 0) === Int32.min_int)
]);
})
],
/* :: */[
/* tuple */[
"minus_overflow",
(function () {
return /* Eq */Block.__(0, [
/* true */1,
+((Int32.min_int - Int32.one | 0) === Int32.max_int)
]);
})
],
/* :: */[
/* tuple */[
"flow_again",
(function () {
return /* Eq */Block.__(0, [
2147483646,
(Int32.max_int + Int32.max_int | 0) + Int32.min_int | 0
]);
})
],
/* :: */[
/* tuple */[
"flow_again",
(function () {
return /* Eq */Block.__(0, [
-2,
Int32.max_int + Int32.max_int | 0
]);
})
],
/* :: */[
/* tuple */[
"hash_test",
(function () {
return /* Eq */Block.__(0, [
hash_variant("xxyyzzuuxxzzyy00112233"),
544087776
]);
})
],
/* :: */[
/* tuple */[
"hash_test2",
(function () {
return /* Eq */Block.__(0, [
hash_variant("xxyyzxzzyy"),
-449896130
]);
})
],
/* :: */[
/* tuple */[
"File \"int_overflow_test.ml\", line 37, characters 2-9",
(function () {
return /* Eq */Block.__(0, [
hash_variant2("xxyyzzuuxxzzyy00112233"),
544087776
]);
})
],
/* :: */[
/* tuple */[
"File \"int_overflow_test.ml\", line 38, characters 2-9",
(function () {
return /* Eq */Block.__(0, [
hash_variant2("xxyyzxzzyy"),
-449896130
]);
})
],
/* :: */[
/* tuple */[
"int_literal_flow",
(function () {
return /* Eq */Block.__(0, [
-1,
-1
]);
})
],
/* :: */[
/* tuple */[
"int_literal_flow2",
(function () {
return /* Eq */Block.__(0, [
-1,
-1
]);
})
],
/* :: */[
/* tuple */[
"int_literal_flow3",
(function () {
return /* Eq */Block.__(0, [
-1,
-1
]);
})
],
/* :: */[
/* tuple */[
"int32_mul",
(function () {
return /* Eq */Block.__(0, [
-33554431,
-33554431
]);
})
],
/* :: */[
/* tuple */[
"File \"int_overflow_test.ml\", line 44, characters 3-10",
(function () {
return /* Eq */Block.__(0, [
Number("3") | 0,
3
]);
})
],
/* :: */[
/* tuple */[
"File \"int_overflow_test.ml\", line 46, characters 3-10",
(function () {
return /* Eq */Block.__(0, [
Number("3.2") | 0,
3
]);
})
],
/* [] */0
]
]
]
]
]
]
]
]
]
]
]
]
]
]);
exports.hash_variant = hash_variant;
exports.hash_variant2 = hash_variant2;
exports.fib = fib;
/* Not a pure module */