public async Task Async()
{
var calledCount = 0;
var syncLazy = ValueTaskEx.Lazy(async() => { calledCount++; await Task.Delay(TimeSpan.FromSeconds(1)); });
calledCount.Should().Be(0);
await ValueTaskEx.WhenAll(syncLazy, syncLazy, syncLazy);
calledCount.Should().Be(1);
}
public async Task Async()
{
var calledCount = 0;
var syncLazy = ValueTaskEx.Lazy(async() => { calledCount++; await Task.Delay(TimeSpan.FromSeconds(1)); return(new object()); });
calledCount.Should().Be(0);
var(v1, v2, v3) = await ValueTaskEx.WhenAll(syncLazy, syncLazy, syncLazy);
calledCount.Should().Be(1);
object.ReferenceEquals(v1, v2).Should().BeTrue();
object.ReferenceEquals(v2, v3).Should().BeTrue();
}
public async Task Sync()
{
var calledCount = 0;
var syncLazy = ValueTaskEx.Lazy(async() => { calledCount++; });
calledCount.Should().Be(0);
await syncLazy;
calledCount.Should().Be(1);
await syncLazy;
calledCount.Should().Be(1);
}
public async Task Sync()
{
var calledCount = 0;
var syncLazy = ValueTaskEx.Lazy(async() => { calledCount++; return(100); });
calledCount.Should().Be(0);
var value = await syncLazy;
value.Should().Be(100);
calledCount.Should().Be(1);
var value2 = await syncLazy;
value.Should().Be(100);
calledCount.Should().Be(1);
}
