v8/test/mjsunit/wasm/shared-arraybuffer-worker-simple-gc.js

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// 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: --expose-gc
const kNumIterations = 10;
function NewWorker() {
function workerCode() {
onmessage = (msg) => {
if (msg.memory) postMessage("ack");
if (msg.quit) postMessage("bye");
gc();
}
}
return new Worker(workerCode, {type: 'function'});
}
function PingWorker(worker, memory) {
worker.postMessage({memory: memory});
assertEquals("ack", worker.getMessage());
worker.postMessage({quit: true});
assertEquals("bye", worker.getMessage());
}
function AllocMemory() {
return new SharedArrayBuffer(1024);
}
function RunSingleWorkerSingleMemoryTest() {
print(arguments.callee.name);
let worker = NewWorker();
let first = AllocMemory();
for (let i = 0; i < kNumIterations; i++) {
print(`iteration ${i}`);
PingWorker(worker, first);
gc();
}
worker.terminate();
}
function RunSingleWorkerTwoMemoryTest() {
print(arguments.callee.name);
let worker = NewWorker();
let first = AllocMemory(), second = AllocMemory();
for (let i = 0; i < kNumIterations; i++) {
print(`iteration ${i}`);
PingWorker(worker, first);
PingWorker(worker, second);
gc();
}
worker.terminate();
}
function RunSingleWorkerMultipleMemoryTest() {
print(arguments.callee.name);
let worker = NewWorker();
let first = AllocMemory();
for (let i = 0; i < kNumIterations; i++) {
print(`iteration ${i}`);
PingWorker(worker, first);
PingWorker(worker, AllocMemory());
gc();
}
worker.terminate();
}
function RunMultipleWorkerMultipleMemoryTest() {
print(arguments.callee.name);
let first = AllocMemory();
for (let i = 0; i < kNumIterations; i++) {
print(`iteration ${i}`);
let worker = NewWorker();
PingWorker(worker, first);
PingWorker(worker, AllocMemory());
worker.terminate();
gc();
}
}
RunSingleWorkerSingleMemoryTest();
RunSingleWorkerTwoMemoryTest();
RunSingleWorkerMultipleMemoryTest();
RunMultipleWorkerMultipleMemoryTest();