public async Task GetAsyncTest() { var stateManager = new MockActorStateManager(); var keyMock = new Mock <IStateKey>(); keyMock.Setup(x => x.ToString()).Returns("TestName"); var state = new ActorArrayState <TestState>(stateManager, keyMock.Object, 1); var cts = new CancellationTokenSource(1000); await Assert.ThrowsAsync <IndexOutOfRangeException>(() => state.GetAsync(-1, cts.Token)); await Assert.ThrowsAsync <IndexOutOfRangeException>(() => state.GetAsync(1, cts.Token)); Assert.Null(await state.GetAsync(0, cts.Token)); await stateManager.SetStateAsync("TestName:0", new TestState(), cts.Token); Assert.NotNull(await state.GetAsync(0, cts.Token)); }