public void API_TryWrappedInvoke()
{
var atomicInt = new LockFreeInt32();
var target = new AtomicDelegate <Func <int, int> >();
Assert.AreEqual((false, default(int)), target.TryWrappedInvoke(f => f(10)));
target.Set(i => atomicInt.Add(i).CurrentValue);
Assert.AreEqual((true, 10), target.TryWrappedInvoke(f => f(10)));
Assert.AreEqual(10, atomicInt.Value);
Assert.AreEqual(true, target.TryWrappedInvoke((Action <Func <int, int> >)(f => f(10))));
Assert.AreEqual(20, atomicInt.Value);
target.Set(null);
Assert.AreEqual(false, target.TryWrappedInvoke((Action <Func <int, int> >)(f => f(10))));
Assert.AreEqual(20, atomicInt.Value);
// Context-consuming variants
atomicInt.Set(0);
target.Set(null);
Assert.AreEqual((false, default(int)), target.TryWrappedInvoke((f, ctx) => f(ctx), 10));
target.Set(i => atomicInt.Add(i).CurrentValue);
Assert.AreEqual((true, 10), target.TryWrappedInvoke((f, ctx) => f(ctx), 10));
Assert.AreEqual(10, atomicInt.Value);
Assert.AreEqual(true, target.TryWrappedInvoke((Action <Func <int, int>, int>)((f, ctx) => f(ctx)), 10));
Assert.AreEqual(20, atomicInt.Value);
target.Set(null);
Assert.AreEqual(false, target.TryWrappedInvoke((Action <Func <int, int>, int>)((f, ctx) => f(ctx)), 10));
Assert.AreEqual(20, atomicInt.Value);
}
public void API_TryDynamicInvoke()
{
var atomicInt = new LockFreeInt32();
var targetA = new AtomicDelegate <Action <int> >();
Assert.AreEqual((false, (object)null), targetA.TryDynamicInvoke(10));
targetA.Set(i => atomicInt.Add(i));
Assert.AreEqual((true, (object)null), targetA.TryDynamicInvoke(300));
Assert.Throws <TargetParameterCountException>(() => targetA.TryDynamicInvoke());
Assert.Throws <ArgumentException>(() => targetA.TryDynamicInvoke(""));
Assert.Throws <TargetParameterCountException>(() => targetA.TryDynamicInvoke(3, 3));
var targetB = new AtomicDelegate <Func <int, int> >();
Assert.AreEqual((false, (object)null), targetB.TryDynamicInvoke(10));
targetB.Set(i => atomicInt.Add(i).CurrentValue);
var invokeRes = targetB.TryDynamicInvoke(300);
Assert.AreEqual(true, invokeRes.DelegateWasInvoked);
Assert.AreEqual(600, (int)invokeRes.Result);
Assert.Throws <TargetParameterCountException>(() => targetB.TryDynamicInvoke());
Assert.Throws <ArgumentException>(() => targetB.TryDynamicInvoke(""));
Assert.Throws <TargetParameterCountException>(() => targetB.TryDynamicInvoke(3, 3));
}
public static bool TryInvoke <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(this AtomicDelegate <Action <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> > @this, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7, T8 arg8, T9 arg9, T10 arg10, T11 arg11)
{
var curValue = @this.Value;
if (curValue is null)
{
return(false);
}
curValue(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11);
return(true);
}
public static bool TryInvoke <T1, T2, T3, T4, T5, T6>(this AtomicDelegate <Action <T1, T2, T3, T4, T5, T6> > @this, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6)
{
var curValue = @this.Value;
if (curValue is null)
{
return(false);
}
curValue(arg1, arg2, arg3, arg4, arg5, arg6);
return(true);
}
public static bool TryInvoke <T1, T2, T3>(this AtomicDelegate <Action <T1, T2, T3> > @this, T1 arg1, T2 arg2, T3 arg3)
{
var curValue = @this.Value;
if (curValue is null)
{
return(false);
}
curValue(arg1, arg2, arg3);
return(true);
}
public static bool TryInvoke(this AtomicDelegate <Action> @this)
{
var curValue = @this.Value;
if (curValue is null)
{
return(false);
}
curValue();
return(true);
}
public static (bool DelegateWasInvoked, TOut Result) TryInvoke <TOut>(this AtomicDelegate <Func <TOut> > @this)
{
public void API_CombineRemoveRemoveAll()
{
var lastRecordedInput = new LockFreeReference <string>();
Func <string, string> initialValue = s => { lastRecordedInput.Set(s); return(s.ToUpper()); };
var target = new AtomicDelegate <Func <string, string> >(initialValue);
var combineRes = target.Combine(s => s.ToLower());
Assert.AreEqual(initialValue, combineRes.PreviousValue);
Assert.AreEqual("TEST", combineRes.PreviousValue("Test"));
Assert.AreEqual("test", combineRes.CurrentValue("Test"));
Assert.AreEqual("Test", lastRecordedInput.Value);
target.TryInvoke("Input");
Assert.AreEqual("Input", lastRecordedInput.Value);
combineRes = target.Combine(s => s + s);
Assert.AreEqual("abcabc", target.Value("abc"));
Assert.AreEqual("abc", lastRecordedInput.Value);
Assert.AreEqual(combineRes.CurrentValue, target.Value);
var removeRes = target.Remove(initialValue);
Assert.AreEqual("qwertyqwerty", removeRes.PreviousValue("qwerty"));
Assert.AreEqual("qwerty", lastRecordedInput.Value);
Assert.AreEqual("ijklijkl", removeRes.CurrentValue("ijkl"));
Assert.AreEqual("qwerty", lastRecordedInput.Value);
Assert.AreEqual(removeRes.CurrentValue, target.Value);
removeRes = target.Remove(c => "this delegate was never added");
Assert.AreEqual(removeRes.CurrentValue, removeRes.PreviousValue);
Assert.AreEqual(target.Value, removeRes.PreviousValue);
var invocationCounter = new LockFreeInt32();
Func <string, string> CurrentValue = s => { invocationCounter.Increment(); return(s[0].ToString()); };
target.Combine(CurrentValue);
target.Combine(CurrentValue);
target.Combine(CurrentValue);
Assert.AreEqual((true, "r"), target.TryInvoke("rrrrr"));
Assert.AreEqual(3, invocationCounter.Value);
target.Remove(CurrentValue);
Assert.AreEqual((true, "r"), target.TryInvoke("rrrrr"));
Assert.AreEqual(5, invocationCounter.Value);
removeRes = target.RemoveAll(CurrentValue);
Assert.AreEqual((true, "rrrrrrrrrr"), target.TryInvoke("rrrrr"));
Assert.AreEqual(5, invocationCounter.Value);
Assert.AreEqual("rrrrrrrrrr", removeRes.CurrentValue("rrrrr"));
Assert.AreEqual("r", removeRes.PreviousValue("rrrrr"));
removeRes = target.RemoveAll(CurrentValue);
Assert.AreEqual((true, "rrrrrrrrrr"), target.TryInvoke("rrrrr"));
Assert.AreEqual(7, invocationCounter.Value);
Assert.AreEqual("rrrrrrrrrr", removeRes.CurrentValue("rrrrr"));
Assert.AreEqual(removeRes.CurrentValue, removeRes.PreviousValue);
}