public void AllowsForGarbageCollection()
{
var mortal = new LifetimeSource();
var lifes = new[] {
Lifetime.Immortal,
Lifetime.Dead,
mortal.Lifetime
};
// callbacks are not kept when the lifetime is not mortal
var f = ValidCallbackMaker;
foreach (var life in lifes)
{
// pre-finished
f.AssertCollectedAfter(e => Lifetime.Immortal.WhenDead(e, life));
f.AssertCollectedAfter(e => Lifetime.Dead.WhenDead(e, life));
f.AssertCollectedAfter(e => LimboedLifetime.WhenDead(e, life));
// post-finished
f.AssertCollectedAfter(e => { using (var limbod = new LimboLife()) limbod.Lifetime.WhenDead(e, life); });
f.AssertCollectedAfter(e => { using (var blessed = new BlessedLife()) blessed.Lifetime.WhenDead(e, life); });
f.AssertCollectedAfter(e => { using (var doomed = new DoomedLife()) doomed.Lifetime.WhenDead(e, life); });
}
// callbacks are not kept when the subscription lifetime is dead or dies
f.AssertCollectedAfter(e => { using (var doomed = new DoomedLife()) mortal.Lifetime.WhenDead(e, doomed.Lifetime); });
f.AssertCollectedAfter(e => mortal.Lifetime.WhenDead(e, Lifetime.Dead));
// callbacks are kept when the lifetime is mortal and the subscription lifetime does not die
f.AssertNotCollectedAfter(e => mortal.Lifetime.WhenDead(e, Lifetime.Immortal));
f.AssertNotCollectedAfter(e => mortal.Lifetime.WhenDead(e, mortal.Lifetime));
GC.KeepAlive(mortal);
}
public void AllowsForGarbageCollection() {
var mortal = new LifetimeSource();
var lifes = new[] {
Lifetime.Immortal,
Lifetime.Dead,
mortal.Lifetime
};
// callbacks are not kept when the lifetime is not mortal
var f = ValidCallbackMaker;
foreach (var life in lifes) {
// pre-finished
f.AssertCollectedAfter(e => Lifetime.Immortal.WhenDead(e, life));
f.AssertCollectedAfter(e => Lifetime.Dead.WhenDead(e, life));
f.AssertCollectedAfter(e => LimboedLifetime.WhenDead(e, life));
// post-finished
f.AssertCollectedAfter(e => { using (var limbod = new LimboLife()) limbod.Lifetime.WhenDead(e, life); });
f.AssertCollectedAfter(e => { using (var blessed = new BlessedLife()) blessed.Lifetime.WhenDead(e, life); });
f.AssertCollectedAfter(e => { using (var doomed = new DoomedLife()) doomed.Lifetime.WhenDead(e, life); });
}
// callbacks are not kept when the subscription lifetime is dead or dies
f.AssertCollectedAfter(e => { using (var doomed = new DoomedLife()) mortal.Lifetime.WhenDead(e, doomed.Lifetime); });
f.AssertCollectedAfter(e => mortal.Lifetime.WhenDead(e, Lifetime.Dead));
// callbacks are kept when the lifetime is mortal and the subscription lifetime does not die
f.AssertNotCollectedAfter(e => mortal.Lifetime.WhenDead(e, Lifetime.Immortal));
f.AssertNotCollectedAfter(e => mortal.Lifetime.WhenDead(e, mortal.Lifetime));
GC.KeepAlive(mortal);
}