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
|
// 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.
// TODO (mtrofin): re-enable ignition (v8:5345)
// Flags: --no-ignition --no-ignition-staging
// Flags: --expose-wasm --expose-gc --allow-natives-syntax
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
(function CompiledModuleInstancesAreGCed() {
var builder = new WasmModuleBuilder();
builder.addMemory(1,1, true);
builder.addImport("getValue", kSig_i);
builder.addFunction("f", kSig_i)
.addBody([
kExprCallFunction, 0
]).exportFunc();
var module = new WebAssembly.Module(builder.toBuffer());
%ValidateWasmModuleState(module);
%ValidateWasmInstancesChain(module, 0);
var i1 = new WebAssembly.Instance(module, {getValue: () => 1});
%ValidateWasmInstancesChain(module, 1);
var i2 = new WebAssembly.Instance(module, {getValue: () => 2});
%ValidateWasmInstancesChain(module, 2);
var i3 = new WebAssembly.Instance(module, {getValue: () => 3});
%ValidateWasmInstancesChain(module, 3);
assertEquals(1, i1.exports.f());
i1 = null;
gc();
%ValidateWasmInstancesChain(module, 2);
assertEquals(3, i3.exports.f());
i3 = null;
gc();
%ValidateWasmInstancesChain(module, 1);
assertEquals(2, i2.exports.f());
i2 = null;
gc();
%ValidateWasmModuleState(module);
var i4 = new WebAssembly.Instance(module, {getValue: () => 4});
assertEquals(4, i4.exports.f());
module = null;
gc();
%ValidateWasmOrphanedInstance(i4);
})();
|
