public void TestBoundedParallelArgumentsCheck()
{
var boundedParallel = new BoundedParallel();
ParallelOptions nullParallelOptions = null;
Assert.IsTrue(Assert.ThrowsException <ArgumentNullException>(() => boundedParallel.Invoke(nullParallelOptions, delegate { })).Message.Contains("parallelOptions"));
Assert.IsTrue(Assert.ThrowsException <ArgumentNullException>(() => boundedParallel.Invoke(new ParallelOptions(), null)).Message.Contains("actions"));
Assert.IsTrue(Assert.ThrowsException <ArgumentException>(() => boundedParallel.Invoke(new ParallelOptions(), new Action[] { null })).Message.Contains("null action"));
Assert.IsTrue(Assert.ThrowsException <ArgumentNullException>(() => boundedParallel.For(0, 1, nullParallelOptions, delegate { })).Message.Contains("parallelOptions"));
Assert.IsTrue(Assert.ThrowsException <ArgumentNullException>(() => boundedParallel.For(0, 1, new ParallelOptions(), null)).Message.Contains("body"));
IEnumerable <int> nullEnumerable = null;
Assert.IsTrue(Assert.ThrowsException <ArgumentNullException>(() => boundedParallel.ForEach(nullEnumerable, new ParallelOptions(), delegate { })).Message.Contains("source"));
Assert.IsTrue(Assert.ThrowsException <ArgumentNullException>(() => boundedParallel.ForEach(new List <int>(), null, delegate { })).Message.Contains("parallelOptions"));
Assert.IsTrue(Assert.ThrowsException <ArgumentNullException>(() => boundedParallel.ForEach(new List <int>(), new ParallelOptions(), null)).Message.Contains("body"));
}
public void TestBoundedParallelForEachForceSerial()
{
var items = new[] { 1, 2, 3 };
var cnt = 0;
// ReSharper disable once RedundantArgumentDefaultValue
var boundedParallel = new BoundedParallel(2);
Parallel.Invoke(() =>
{
boundedParallel.ForEach(items, (item) =>
{
Thread.Sleep(1500);
Interlocked.Increment(ref cnt);
});
}, () =>
{
boundedParallel.ForEach(items, (item) =>
{
Thread.Sleep(1500);
Interlocked.Increment(ref cnt);
});
}, () =>
{
Thread.Sleep(500);
var result1 = boundedParallel.ForEach(items, (item) =>
{
Thread.Sleep(500);
Interlocked.Increment(ref cnt);
});
Assert.IsTrue(result1.IsCompleted);
}, () =>
{
Thread.Sleep(500);
var result2 = boundedParallel.ForEach(items, (item) =>
{
Thread.Sleep(500);
Interlocked.Increment(ref cnt);
});
Assert.IsTrue(result2.IsCompleted);
});
Assert.AreEqual(12, cnt);
Assert.IsTrue(boundedParallel.Stats.TotalSerialRunCount > 0, "TotalSerialRunCount should be > 0");
}
public void TestBoundedParallelSimpleForEachWithZeroItems()
{
var regularParallelResult = Parallel.ForEach(new List <int>(), (n) => { });
var boundedParallel = new BoundedParallel(3);
var boundedResult = boundedParallel.ForEach(new List <int>(), (n) => { });
Assert.AreEqual(1, boundedParallel.Stats.TotalSerialRunCount);
Assert.AreEqual(0, boundedParallel.Stats.TotalParallelRunCount);
Assert.AreEqual(regularParallelResult.IsCompleted, boundedResult.IsCompleted);
}
public void TestBoundedParallelSimpleForEachCall()
{
var items = new[] { 1, 2, 3 };
var cnt = 0;
var boundedParallel = new BoundedParallel(3);
var result = boundedParallel.ForEach(items, (item) => { Interlocked.Increment(ref cnt); });
Assert.AreEqual(3, cnt);
Assert.IsTrue(boundedParallel.Stats.TotalSerialRunCount == 0, "TotalSerialRunCount must be zero");
Assert.IsTrue(result.IsCompleted);
}