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using NUnit.Framework;
using System;
using Mono.Tasklets;
namespace MonoTests.System
{
[TestFixture]
public class ContinuationsTest {
private Continuation _contA = new Continuation();
private int total = 0;
[Test]
public void TestContinuationsLoop() {
_contA.Mark();
int value = 0;
int ret = _contA.Store(0);
for(int i = ret; i < 10; i++) {
value += i;
}
if(value > 0) {
total += value;
_contA.Restore(ret + 1);
}
Assert.AreEqual(total,330);
}
private int yields = 0;
[Test]
public void Yielding() {
Continuation baseCont = new Continuation();
Continuation taskCont = new Continuation();
baseCont.Mark();
taskCont.Mark();
// Store the base continuation to start the task
if (baseCont.Store(0) == 0) {
bool done = false;
int count = 0;
while (!done) {
// Do stuff for the task.
++count;
// This task is counting to 100.
if (count == 100) {
done = true;
}
// Yield every 10 loops
else if (count % 10 == 0) {
// To yield, store the task continuation then restore
// the base continuation.
if (taskCont.Store(0) == 0) {
baseCont.Restore(1);
}
}
}
}
// When restored, 'Store' will return what was passed to Restore, in this case 1 so fall here.
else {
// Count the yields, then go back to the task.
++yields;
taskCont.Restore(1);
}
Assert.AreEqual(9, yields);
}
public class MicroThread {
public void Yield() {
if (MyThread.Store(0) == 0) {
MainThread.Restore(1);
}
}
public void Resume() {
if (MainThread.Store(0) == 0) {
MyThread.Restore(1);
}
}
public void DoWork(Action action) {
if (MainThread.Store(0) == 0) {
action();
Done = true;
MainThread.Restore(1);
}
}
public bool Done = false;
public Continuation MainThread = new Continuation();
public Continuation MyThread = new Continuation();
}
public class MicroBJob {
private int _Count = 0;
public int Count {
get { return _Count; }
set { _Count = value;}
}
public MicroThread MicroThread;
public void Work() {
while (Count < 100) {
++Count;
if (Count % 10 == 0) {
MicroThread.Yield();
}
}
}
}
[Test]
public void MicroThreadTest() {
MicroThread microA = new MicroThread();
MicroThread microB = new MicroThread();
microA.MainThread.Mark();
microA.MyThread.Mark();
microB.MainThread.Mark();
microB.MyThread.Mark();
Assert.AreEqual(false,microA.Done);
Assert.AreEqual(false,microB.Done);
microA.DoWork( () => {
int count = 0;
while (count < 100) {
++count;
if (count % 10 == 0) {
microA.Yield();
}
}
});
MicroBJob jobB = new MicroBJob();
jobB.MicroThread = microB;
microB.DoWork(jobB.Work);
Assert.AreEqual(false,microA.Done);
Assert.AreEqual(false,microB.Done);
int yields = 0;
while (yields < 20) {
if (!microA.Done) microA.Resume();
if (!microB.Done) microB.Resume();
if (microA.Done && microB.Done) break;
++yields;
}
Assert.AreEqual(true,microA.Done);
Assert.AreEqual(true,microB.Done);
Assert.AreEqual(100,jobB.Count);
Assert.AreEqual(9,yields);
}
}
}
// vim: noexpandtab
// Local Variables:
// tab-width: 4
// c-basic-offset: 4
// indent-tabs-mode: t
// End:
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