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// |jit-test| skip-if: !('gc' in this) || !('drainJobQueue' in this)
// Test that an unused local in an async function is not kept alive by a closure
// (bug 1412202). Based on a test case by Andy Wingo in bug 1664463.
let nfinalized = 0;
let finalizers = new FinalizationRegistry(f => { nfinalized++; });
class A {
constructor(callback) {
this.b = {callback};
finalizers.register(this, this.b, this);
}
}
const LOOP_COUNT = 200;
const FINALIZER_COUNT = 200;
async function main() {
for (let j = 0; j < LOOP_COUNT; j++) {
for (let i = 0; i < FINALIZER_COUNT; i++) {
let console = globalThis.console;
let obj = new A(() => console.log("hello"));
}
drainJobQueue();
}
gc();
drainJobQueue();
assertEq(nfinalized, LOOP_COUNT * FINALIZER_COUNT, "all objects should be finalized");
}
main();
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