test(clock): prevent terminal lifecycle starvation

2026-09-03 21:08:48 +00:00
parent 51f8be492f
commit 424f0b66ec
3 changed files with 37 additions and 11 deletions
@@ -11,8 +11,13 @@ describe('ManualClock', () => {

    it('advances with sleep and manual advance', async () => {
        const clock = new ManualClock(0);
+        let eventLoopTurnObserved = false;
+        setTimeout(() => {
+            eventLoopTurnObserved = true;
+        }, 0);
        await clock.sleepMs(250);
        expect(clock.nowMs()).toBe(250);
+        expect(eventLoopTurnObserved).toBe(true);
        clock.advanceMs(750);
        expect(clock.nowMs()).toBe(1000);
    });
@@ -34,8 +39,13 @@ describe('StepClock', () => {

    it('advances with sleep', async () => {
        const clock = new StepClock(50, 1000);
+        let eventLoopTurnObserved = false;
+        setTimeout(() => {
+            eventLoopTurnObserved = true;
+        }, 0);
        await clock.sleepMs(200);
        expect(clock.nowMs()).toBe(1250);
+        expect(eventLoopTurnObserved).toBe(true);
    });

    it('advances manually', () => {