System.Threading.Tests.AsyncLocalTests.SetValueFromNotification C# (CSharp) Méthode

        public static async Task SetValueFromNotification()
        {
            int valueToSet = 0;
            AsyncLocal<int> local = null;
            local = new AsyncLocal<int>(args => { if (args.ThreadContextChanged) local.Value = valueToSet; });

            valueToSet = 2;
            local.Value = 1;
            Assert.Equal(local.Value, 1);

            await Run(async () =>
            {
                local.Value = 3;
                valueToSet = 4;
            });

            Assert.Equal(local.Value, 4);
        }