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
|
// Copyright 2016 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: --expose-wasm
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
var kV8MaxWasmMemoryPages = 32767; // ~ 2 GiB
var kSpecMaxWasmMemoryPages = 65536; // 4 GiB
(function testMemorySizeZero() {
print(arguments.callee.name);
var builder = new WasmModuleBuilder();
builder.addMemory(0, 0, false);
builder.addFunction("memory_size", kSig_i_v)
.addBody([kExprMemorySize, kMemoryZero])
.exportFunc();
var module = builder.instantiate();
assertEquals(0, module.exports.memory_size());
})();
(function testMemorySizeNonZero() {
print(arguments.callee.name);
var builder = new WasmModuleBuilder();
var size = 11;
builder.addMemory(size, size, false);
builder.addFunction("memory_size", kSig_i_v)
.addBody([kExprMemorySize, kMemoryZero])
.exportFunc();
var module = builder.instantiate();
assertEquals(size, module.exports.memory_size());
})();
(function testMemorySizeSpecMaxOk() {
print(arguments.callee.name);
var builder = new WasmModuleBuilder();
builder.addMemory(1, kSpecMaxWasmMemoryPages, true);
builder.addFunction("memory_size", kSig_i_v)
.addBody([kExprMemorySize, kMemoryZero])
.exportFunc();
var module = builder.instantiate();
assertEquals(1, module.exports.memory_size());
})();
(function testMemorySizeV8MaxPlus1Throws() {
print(arguments.callee.name);
var builder = new WasmModuleBuilder();
builder.addMemory(kV8MaxWasmMemoryPages + 1,
kV8MaxWasmMemoryPages + 1, false);
builder.addFunction("memory_size", kSig_i_v)
.addBody([kExprMemorySize, kMemoryZero])
.exportFunc();
assertThrows(() => builder.instantiate());
})();
(function testMemorySpecMaxOk() {
print(arguments.callee.name);
var builder = new WasmModuleBuilder();
builder.addMemory(1, kSpecMaxWasmMemoryPages, false);
builder.addFunction("memory_size", kSig_i_v)
.addBody([kExprMemorySize, kMemoryZero])
.exportFunc();
var module = builder.instantiate();
assertEquals(1, module.exports.memory_size());
})();
(function testMemoryInitialMaxPlus1Throws() {
print(arguments.callee.name);
assertThrows(() => new WebAssembly.Memory(
{initial: kV8WasmMaxMemoryPages + 1}));
})();
|
