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
|
// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --experimental-wasm-bigint
load("test/mjsunit/wasm/wasm-module-builder.js");
(function TestWasmI64ToJSBigInt() {
var builder = new WasmModuleBuilder();
builder
.addFunction("fn", kSig_l_v) // () -> i64
.addBody([
kExprI64Const, 0x3,
])
.exportFunc();
var module = builder.instantiate();
assertEquals(typeof module.exports.fn(), "bigint");
assertEquals(module.exports.fn(), 3n);
})();
(function TestJSBigIntToWasmI64Global() {
var builder = new WasmModuleBuilder();
var a_global_index = builder
.addImportedGlobal("mod", "a", kWasmI64)
var b_global_index = builder
.addImportedGlobal("mod", "b", kWasmI64);
var c_global_index = builder
.addImportedGlobal("mod", "c", kWasmI64);
builder
.addExportOfKind('a', kExternalGlobal, a_global_index)
.addExportOfKind('b', kExternalGlobal, b_global_index)
.addExportOfKind('c', kExternalGlobal, c_global_index);
var module = builder.instantiate({
mod: {
a: 1n,
b: 2n ** 63n,
c: "123",
}
});
assertEquals(module.exports.a.value, 1n);
assertEquals(module.exports.b.value, - (2n ** 63n));
assertEquals(module.exports.c.value, 123n);
})();
(function TestJSBigIntToWasmI64MutableGlobal() {
var builder = new WasmModuleBuilder();
var a_global_index = builder
.addImportedGlobal("mod", "a", kWasmI64, /* mutable = */ true)
builder
.addExportOfKind('a', kExternalGlobal, a_global_index);
// as non object
var fn = () => builder.instantiate({
mod: {
a: 1n,
}
});
assertThrows(fn, WebAssembly.LinkError);
// as WebAssembly.Global object
var module = builder.instantiate({
mod: {
a: new WebAssembly.Global({ value: "i64", mutable: true }, 1n),
}
});
assertEquals(module.exports.a.value, 1n);
})();
(function TestJSBigIntToWasmI64Identity() {
var builder = new WasmModuleBuilder();
builder
.addFunction("f", kSig_l_l) // i64 -> i64
.addBody([
kExprGetLocal, 0x0,
])
.exportFunc();
var module = builder.instantiate();
var f = module.exports.f;
assertEquals(f(0n), 0n);
assertEquals(f(-0n), -0n);
assertEquals(f(123n), 123n);
assertEquals(f(-123n), -123n);
assertEquals(f("5"), 5n);
assertThrows(() => f(5), TypeError);
})();
(function TestI64Global() {
var argument = { "value": "i64", "mutable": true };
var global = new WebAssembly.Global(argument);
assertEquals(global.value, 0n); // initial value
global.value = 123n;
assertEquals(global.valueOf(), 123n);
global.value = 2n ** 63n;
assertEquals(global.valueOf(), - (2n ** 63n));
})();
(function TestI64GlobalValueOf() {
var argument = { "value": "i64" };
// as literal
var global = new WebAssembly.Global(argument, {
valueOf() {
return 123n;
}
});
assertEquals(global.value, 123n);
// as string
var global2 = new WebAssembly.Global(argument, {
valueOf() {
return "321";
}
});
assertEquals(global2.value, 321n);
})();
(function TestInvalidValtypeGlobalErrorMessage() {
var argument = { "value": "some string" };
assertThrows(() => new WebAssembly.Global(argument), TypeError);
try {
new WebAssembly.Global(argument);
} catch (e) {
assertContains("'value' must be", e.message);
assertContains("i64", e.message);
}
})();
(function TestGlobalI64ValueWrongType() {
var argument = { "value": "i64" };
assertThrows(() => new WebAssembly.Global(argument, 666), TypeError);
})();
(function TestGlobalI64SetWrongType() {
var argument = { "value": "i64", "mutable": true };
var global = new WebAssembly.Global(argument);
assertThrows(() => global.value = 1, TypeError);
})();
(function TestFuncParamF64PassingBigInt() {
var builder = new WasmModuleBuilder();
builder
.addFunction("f", kSig_v_d) // f64 -> ()
.addBody([])
.exportFunc();
var module = builder.instantiate();
assertThrows(() => module.exports.f(123n), TypeError);
})();
|
