v8/test/mjsunit/wasm/shared-memory-worker-gc.js
Ben L. Titzer 4a416dbbe1 [mjsunit] Add more tests for shared array buffers / memories
This CL adds more stress-tests for both shared array buffers and
WebAssembly memories. Because of an existing memory leak that will
be fixed in upcoming CLs, some new tests are disabled.

R=mstarzinger@chromium.org
BUG=v8:9380

Change-Id: I2662e3d0a764a032a0c267b2d99e3ccd1a4951d0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1697252
Commit-Queue: Ben Titzer <titzer@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62770}
2019-07-17 14:08:38 +00:00

35 lines
925 B
JavaScript

// Copyright 2019 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
const kNumMessages = 5000;
function AllocMemory(pages = 1, max = pages) {
return new WebAssembly.Memory({initial : pages, maximum : max, shared : true});
}
(function RunTest() {
let worker = new Worker(
`onmessage =
function(msg) {
if (msg.memory) postMessage({memory : msg.memory});
}`, {type : 'string'});
let time = performance.now();
for (let i = 0; i < kNumMessages; i++) {
let now = performance.now();
print(`iteration ${i}, Δ = ${(now - time).toFixed(3)} ms`);
time = now;
let memory = AllocMemory();
worker.postMessage({memory : memory});
let msg = worker.getMessage();
if (msg.memory) {
assertInstanceof(msg.memory, WebAssembly.Memory);
}
}
})();