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
|
// Copyright 2017 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-threads
load("test/mjsunit/wasm/wasm-module-builder.js");
function assertMemoryIsValid(memory, shared) {
assertSame(WebAssembly.Memory.prototype, memory.__proto__);
assertSame(WebAssembly.Memory, memory.constructor);
assertTrue(memory instanceof Object);
assertTrue(memory instanceof WebAssembly.Memory);
if (shared) {
assertTrue(memory.buffer instanceof SharedArrayBuffer);
// Assert that the buffer is frozen when memory is shared.
assertTrue(Object.isFrozen(memory.buffer));
}
}
(function TestConstructorWithShared() {
print("TestConstructorWithShared");
let memory = new WebAssembly.Memory({
initial: 0, maximum: 10, shared: true});
assertMemoryIsValid(memory, true);
})();
(function TestConstructorWithUndefinedShared() {
print("TestConstructorWithUndefinedShared");
// Maximum = undefined, shared = undefined.
let memory = new WebAssembly.Memory({
initial: 0, maximum: undefined, shared: undefined});
assertMemoryIsValid(memory);
})();
(function TestConstructorWithNumericShared() {
print("TestConstructorWithNumericShared");
// For numeric values, shared = true.
let memory = new WebAssembly.Memory({
initial: 0, maximum: 10, shared: 2098665});
assertMemoryIsValid(memory, true);
})();
(function TestConstructorWithEmptyStringShared() {
print("TestConstructorWithEmptyStringShared");
// Maximum = undefined, shared = false.
let memory = new WebAssembly.Memory({
initial: 0, maximum: undefined, shared: ""});
assertMemoryIsValid(memory);
})();
(function TestConstructorWithUndefinedMaxShared() {
print("TestConstructorWithUndefinedMaxShared");
// New memory with Maximum = undefined, shared = true => TypeError.
assertThrows(() => new WebAssembly.Memory({initial: 0, shared: true}),
TypeError);
})();
(function TestCompileWithUndefinedShared() {
print("TestCompileWithUndefinedShared");
let memory = new WebAssembly.Memory({
initial: 0, maximum: 10, shared: true});
let builder = new WasmModuleBuilder();
builder.addImportedMemory("m", "imported_mem", 0, undefined, "shared");
assertThrows(() => new WebAssembly.Module(builder.toBuffer()),
WebAssembly.CompileError);
})();
(function TestCompileAtomicOpUndefinedShared() {
print("TestCompileAtomicOpUndefinedShared");
let memory = new WebAssembly.Memory({
initial: 0, maximum: 10, shared: true});
let builder = new WasmModuleBuilder();
builder.addFunction("main", kSig_i_ii)
.addBody([
kExprGetLocal, 0,
kExprGetLocal, 1,
kAtomicPrefix,
kExprI32AtomicAdd]);
builder.addImportedMemory("m", "imported_mem");
assertThrows(() => new WebAssembly.Module(builder.toBuffer()),
WebAssembly.CompileError);
})();
(function TestInstantiateWithUndefinedShared() {
print("TestInstantiateWithUndefinedShared");
let memory = new WebAssembly.Memory({
initial: 0, maximum: 10, shared: true});
let builder = new WasmModuleBuilder();
builder.addImportedMemory("m", "imported_mem");
let module = new WebAssembly.Module(builder.toBuffer());
assertThrows(() => new WebAssembly.Instance(module,
{m: {imported_mem: memory}}), WebAssembly.LinkError);
})();
(function TestInstantiateWithImportNotSharedDefined() {
print("TestInstantiateWithImportNotSharedDefined");
let memory = new WebAssembly.Memory({
initial: 0, maximum: 10, shared: false});
let builder = new WasmModuleBuilder();
builder.addImportedMemory("m", "imported_mem", 0, 10, "shared");
let module = new WebAssembly.Module(builder.toBuffer());
assertThrows(() => new WebAssembly.Instance(module,
{m: {imported_mem: memory}}), WebAssembly.LinkError);
})();
(function TestInstantiateWithSharedDefined() {
print("TestInstantiateWithSharedDefined");
let builder = new WasmModuleBuilder();
builder.addMemory(2, 10, true, "shared");
let module = new WebAssembly.Module(builder.toBuffer());
let instance = new WebAssembly.Instance(module);
assertMemoryIsValid(instance.exports.memory, true);
})();
(function TestAtomicOpWithSharedMemoryDefined() {
print("TestAtomicOpWithSharedMemoryDefined");
let builder = new WasmModuleBuilder();
builder.addMemory(2, 10, false, "shared");
builder.addFunction("main", kSig_i_ii)
.addBody([
kExprGetLocal, 0,
kExprGetLocal, 1,
kAtomicPrefix,
kExprI32AtomicAdd, 2, 0])
.exportFunc();
let module = new WebAssembly.Module(builder.toBuffer());
let instance = new WebAssembly.Instance(module);
assertEquals(0, instance.exports.main(0, 0x11111111));
assertEquals(0x11111111, instance.exports.main(0, 0x11111111));
})();
(function TestMemoryConstructorShouldNotCallHasProperty() {
print(arguments.callee.name);
// from test/wasm-js/data/test/js-api/memory/constructor.any.js
const proxy = new Proxy({}, {
has(o, x) {
throw new Error(`Should not call [[HasProperty]] with ${x}`);
},
get(o, x) {
return 0;
},
});
new WebAssembly.Memory(proxy);
})();
|
