blob: 130c6c81d4de0a2312225daf9a8d39a5e6acfa8c [file] [log] [blame]
asyncTestStart(1);
var objects = [];
var weakRefs = [];
var finalizerCalled = false;
var finalizationRegistry = new FinalizationRegistry(() => finalizerCalled = true);
function makeWeakRef() { return new WeakRef({ foo: 1 }); }
noInline(makeWeakRef);
// At the time of writing this test standalone-pre.js prints newlines slightly differently from js-test-pre.js for async tests so we don't use the shouldBe helpers...
function assert(condition, msg = "") {
if (!condition)
throw new Error(msg);
}
let loopCount = 1000;
function turnEventLoop() {
return new Promise(function(resolve) {
setTimeout(() => {
gc();
resolve();
}, 1);
});
}
var i;
async function test() {
for (let i = 0; i < loopCount; i++) {
let weak = makeWeakRef();
weakRefs.push(weak);
objects.push(weak.deref());
finalizationRegistry.register(weak.deref());
}
await turnEventLoop();
assert(finalizerCalled === false);
for (i = 0; i < loopCount; i++)
assert(weakRefs[i].deref() === objects[i], "failed on iteration: " + i);
objects.length = 0;
objects = null;
await turnEventLoop();
// We need to turn the event loop again since FR may not have called the callback in the last turn.
await turnEventLoop();
assert(finalizerCalled === true);
assert(weakRefs.some((weakRef) => weakRef.deref() === undefined) === true);
asyncTestPassed();
}
test().catch(e => debug(e));