v8/test/mjsunit/wasm/compiled-module-management.js
titzer 599f8a8342 [wasm] Refactor import handling for 0xC.
Imports and exports in 0xC can be much more than functions, including
tables, memories, and globals. This CL refactors the underlying
organization of imports and exports to support these new import types.

BUG=

Review-Url: https://codereview.chromium.org/2390113003
Cr-Commit-Position: refs/heads/master@{#40033}
2016-10-06 12:30:50 +00:00

51 lines
1.6 KiB
JavaScript

// 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_v);
builder.addFunction("f", kSig_i_v)
.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);
})();