test: improve abort signal dropping test

PR-URL: #56339 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Jason Zhang <xzha4350@gmail.com>

Author: geeksilva97

test/parallel/test-abortsignal-drop-settled-signals.mjs

@@ -134,25 +134,30 @@ it('does not prevent source signal from being GCed if it is short-lived', (t, do
 
 it('drops settled dependant signals when signal is composite', (t, done) => {
  const controllers = Array.from({ length: 2 }, () => new AbortController());
- const composedSignal1 = AbortSignal.any([controllers[0].signal]);
- const composedSignalRef = new WeakRef(AbortSignal.any([composedSignal1, controllers[1].signal]));
+
+ // Using WeakRefs to avoid this test to retain information that will make the test fail
+ const composedSignal1 = new WeakRef(AbortSignal.any([controllers[0].signal]));
+ const composedSignalRef = new WeakRef(AbortSignal.any([composedSignal1.deref(), controllers[1].signal]));
 
  const kDependantSignals = Object.getOwnPropertySymbols(controllers[0].signal).find(
  (s) => s.toString() === 'Symbol(kDependantSignals)'
  );
 
- setImmediate(() => {
- global.gc({ execution: 'async' }).then(() => {
- t.assert.strictEqual(composedSignalRef.deref(), undefined);
- t.assert.strictEqual(controllers[0].signal[kDependantSignals].size, 2);
- t.assert.strictEqual(controllers[1].signal[kDependantSignals].size, 1);
-
- setImmediate(() => {
- t.assert.strictEqual(controllers[0].signal[kDependantSignals].size, 0);
- t.assert.strictEqual(controllers[1].signal[kDependantSignals].size, 0);
+ t.assert.strictEqual(controllers[0].signal[kDependantSignals].size, 2);
+ t.assert.strictEqual(controllers[1].signal[kDependantSignals].size, 1);
 
- done();
+ setImmediate(() => {
+ global.gc({ execution: 'async' }).then(async () => {
+ await gcUntil('all signals are GCed', () => {
+ const totalDependantSignals = Math.max(
+ controllers[0].signal[kDependantSignals].size,
+ controllers[1].signal[kDependantSignals].size
+ );
+
+ return composedSignalRef.deref() === undefined && totalDependantSignals === 0;
  });
+
+ done();
  });
  });
 });