public void AddDeltaAndReturnPreviousValue()
{
AtomicLong ai = new AtomicLong(1);
Assert.AreEqual(1, ai.AddDeltaAndReturnPreviousValue(2));
Assert.AreEqual(3, ai.Value);
Assert.AreEqual(3, ai.AddDeltaAndReturnPreviousValue(-4));
Assert.AreEqual(-1, ai.Value);
}
public void CompareExpectedValueAndSetNewValueInMultipleThreads()
{
AtomicLong ai = new AtomicLong(1);
Thread t = ThreadManager.StartAndAssertRegistered(
"T1", () => { while (!ai.CompareAndSet(2, 3)) Thread.Sleep(0); });
Assert.IsTrue(ai.CompareAndSet(1, 2));
ThreadManager.JoinAndVerify(Delays.Long);
Assert.IsFalse(t.IsAlive);
Assert.AreEqual(ai.Value, 3);
}
public void CompareExpectedValueAndSetNewValue()
{
AtomicLong ai = new AtomicLong(1);
Assert.IsTrue(ai.CompareAndSet(1, 2));
Assert.IsTrue(ai.CompareAndSet(2, -4));
Assert.AreEqual(-4, ai.Value);
Assert.IsFalse(ai.CompareAndSet(-5, 7));
Assert.IsFalse((7 == ai.Value));
Assert.IsTrue(ai.CompareAndSet(-4, 7));
Assert.AreEqual(7, ai.Value);
}
public void CompareExpectedValueAndSetNewValueInMultipleThreads()
{
AtomicLong ai = new AtomicLong(1);
Thread t = ThreadManager.StartAndAssertRegistered(
"T1", () => { while (!ai.CompareAndSet(2, 3))
{
Thread.Sleep(0);
}
});
Assert.IsTrue(ai.CompareAndSet(1, 2));
ThreadManager.JoinAndVerify(Delays.Long);
Assert.IsFalse(t.IsAlive);
Assert.AreEqual(ai.Value, 3);
}
public void SerializationAndDeserialization()
{
AtomicLong l = new AtomicLong();
l.Value = -22;
MemoryStream bout = new MemoryStream(10000);
BinaryFormatter formatter = new BinaryFormatter();
formatter.Serialize(bout, l);
MemoryStream bin = new MemoryStream(bout.ToArray());
BinaryFormatter formatter2 = new BinaryFormatter();
AtomicLong r = (AtomicLong)formatter2.Deserialize(bin);
Assert.AreEqual(l.Value, r.Value);
}
public void WeakCompareExpectedValueAndSetNewValue()
{
AtomicLong ai = new AtomicLong(1);
while (!ai.WeakCompareAndSet(1, 2))
{
}
while (!ai.WeakCompareAndSet(2, -4))
{
}
Assert.AreEqual(-4, ai.Value);
while (!ai.WeakCompareAndSet(-4, 7))
{
}
Assert.AreEqual(7, ai.Value);
Assert.IsFalse(ai.WeakCompareAndSet(-4, 7));
}
public void DecrementValueAndReturn()
{
AtomicLong ai = new AtomicLong(1);
Assert.AreEqual(0, ai.DecrementValueAndReturn());
Assert.AreEqual(-1, ai.DecrementValueAndReturn());
Assert.AreEqual(-2, ai.DecrementValueAndReturn());
Assert.AreEqual(-2, ai.Value);
}
public void Constructor()
{
AtomicLong ai = new AtomicLong(1);
Assert.AreEqual(1, ai.Value);
}
public void GetLastLazySetValue()
{
AtomicLong ai = new AtomicLong(1);
Assert.AreEqual(1, ai.Value);
ai.LazySet(2);
Assert.AreEqual(2, ai.Value);
ai.LazySet(-3);
Assert.AreEqual(-3, ai.Value);
}
public void ImplicitConverter()
{
AtomicLong ai = new AtomicLong(1);
long result = ai;
Assert.AreEqual(1L, result);
ai.Value = -3;
result = ai;
Assert.AreEqual(-3L, result);
}
public void DefaultConstructor()
{
AtomicLong ai = new AtomicLong();
Assert.AreEqual(0, ai.Value);
}
public void WeakCompareExpectedValueAndSetNewValue()
{
AtomicLong ai = new AtomicLong(1);
while(!ai.WeakCompareAndSet(1, 2)) {}
while(!ai.WeakCompareAndSet(2, -4)) {}
Assert.AreEqual(-4, ai.Value);
while(!ai.WeakCompareAndSet(-4, 7)) {}
Assert.AreEqual(7, ai.Value);
Assert.IsFalse(ai.WeakCompareAndSet(-4, 7));
}
public void Value()
{
AtomicLong ai = new AtomicLong(42);
Assert.AreEqual(ai.Value, 42L);
}
public void SerializationAndDeserialization()
{
AtomicLong l = new AtomicLong();
l.Value = -22;
MemoryStream bout = new MemoryStream(10000);
BinaryFormatter formatter = new BinaryFormatter();
formatter.Serialize(bout, l);
MemoryStream bin = new MemoryStream(bout.ToArray());
BinaryFormatter formatter2 = new BinaryFormatter();
AtomicLong r = (AtomicLong)formatter2.Deserialize(bin);
Assert.AreEqual(l.Value, r.Value);
}
public void ReturnValueAndIncrement()
{
AtomicLong ai = new AtomicLong(1);
Assert.AreEqual(1, ai.ReturnValueAndIncrement());
Assert.AreEqual(2, ai.Value);
ai.Value = - 2;
Assert.AreEqual(- 2, ai.ReturnValueAndIncrement());
Assert.AreEqual(- 1, ai.ReturnValueAndIncrement());
Assert.AreEqual(0, ai.ReturnValueAndIncrement());
Assert.AreEqual(1, ai.Value);
}
public void ReturnValueAndDecrement()
{
AtomicLong ai = new AtomicLong(1);
Assert.AreEqual(1, ai.ReturnValueAndDecrement());
Assert.AreEqual(0, ai.ReturnValueAndDecrement());
Assert.AreEqual(- 1, ai.ReturnValueAndDecrement());
}
public void LongValueToString()
{
AtomicLong ai = new AtomicLong();
for(long i = -12; i < 6; ++i) {
ai.Value = i;
Assert.AreEqual(ai.ToString(), Convert.ToString(i));
}
}
public void Value()
{
AtomicLong ai = new AtomicLong(42);
Assert.AreEqual(ai.Value, 42L);
}
public void Constructor()
{
AtomicLong ai = new AtomicLong(1);
Assert.AreEqual(1, ai.Value);
}
public void ForInt64LocalSum(long from, long to)
{
var total = new AtomicLong(0);
var result = Parallel.For(
from, to,
() => (long)0,
(i, s, l) => l + i,
l => total.AddDeltaAndReturnNewValue(l));
Assert.That(result.IsCompleted, Is.True);
Assert.That(total.Value, Is.EqualTo((from + to - 1) * (to - from) / 2));
}
public void Exchange()
{
AtomicLong ai = new AtomicLong(1);
Assert.AreEqual(1, ai.Exchange(0));
Assert.AreEqual(0, ai.Exchange(-10));
Assert.AreEqual(-10, ai.Exchange(1));
}
public void GetLastSetValue()
{
AtomicLong ai = new AtomicLong(1);
Assert.AreEqual(1, ai.Value);
ai.Value = 2;
Assert.AreEqual(2, ai.Value);
ai.Value = -3;
Assert.AreEqual(-3, ai.Value);
}
public void ForInt64LocalSumWithParallelism(long from, long to, int parallelism)
{
var options = new ParallelOptions { MaxDegreeOfParallelism = parallelism };
var total = new AtomicLong(0);
var result = Parallel.For(
from, to, options,
() => (long)0,
(i, s, l) => l + i,
l => total.AddDeltaAndReturnNewValue(l));
Assert.That(result.IsCompleted, Is.True);
Assert.That(total.Value, Is.EqualTo((from + to - 1) * (to - from) / 2));
}
public void DefaultConstructor()
{
AtomicLong ai = new AtomicLong();
Assert.AreEqual(0, ai.Value);
}