C# (CSharp) Computed.GetExisting示例

示例#1

    public async Task BasicTest()
    {
        var services = CreateServiceProviderFor <CounterService>();
        var counters = services.GetRequiredService <CounterService>();

        var c = Computed.GetExisting(() => counters.Get("a"));

        c.Should().BeNull();

        c = await Computed.Capture(_ => counters.Get("a"));

        c.Value.Should().Be(0);
        var c1 = Computed.GetExisting(() => counters.Get("a"));

        c1.Should().BeSameAs(c);

        await counters.Increment("a");

        c.IsConsistent().Should().BeFalse();
        c1 = Computed.GetExisting(() => counters.Get("a"));
        c1.Should().BeNull();
    }