v8/test/mjsunit/regress/wasm/regress-8059.js
Michael Starzinger 62b894b675 [wasm] Fix {IsWebAssemblyCompiledModule} predicate.
This makes sure the aforementioned predicate is independent of the
current context (aka. Realm) and only uses the instance type of the
given object to determine whether it is a WebAssembly module object.

R=titzer@chromium.org
TEST=mjsunit/regress/wasm/regress-8059
BUG=v8:8059

Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: Icc8e400f8412483f2a3883ca65c58b7ef938ef23
Reviewed-on: https://chromium-review.googlesource.com/1180886
Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55205}
2018-08-20 09:17:08 +00:00

43 lines
1.1 KiB
JavaScript

// 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: --no-wasm-disable-structured-cloning
load("test/mjsunit/wasm/wasm-constants.js");
load("test/mjsunit/wasm/wasm-module-builder.js");
(function TestPostModule() {
let builder = new WasmModuleBuilder();
builder.addFunction("add", kSig_i_ii)
.addBody([kExprGetLocal, 0, kExprGetLocal, 1, kExprI32Add])
.exportFunc();
let module = builder.toModule();
let workerScript = `
onmessage = function(module) {
try {
let instance = new WebAssembly.Instance(module);
let result = instance.exports.add(40, 2);
postMessage(result);
} catch(e) {
postMessage('ERROR: ' + e);
}
}
`;
let realm = Realm.create();
Realm.shared = { m:module, s:workerScript };
let realmScript = `
let worker = new Worker(Realm.shared.s);
worker.postMessage(Realm.shared.m);
let message = worker.getMessage();
worker.terminate();
message;
`;
let message = Realm.eval(realm, realmScript);
assertEquals(42, message);
})();