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AsyncTests.cs
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/ Implab.Test / AsyncTests.cs
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cin
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 r4 using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Reflection;
using System.Threading;
cin
refactoring
 r11 using Implab.Parallels;
cin
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cin
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 r15 namespace Implab.Test {
[TestClass]
public class AsyncTests {
[TestMethod]
public void ResolveTest() {
int res = -1;
var p = new Promise<int>();
p.Then(x => res = x);
p.Resolve(100);
cin
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 r4
cin
Promise is rewritten to use interlocked operations instead of locks
 r19 Assert.AreEqual(100, res);
cin
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 r15 }
user@factory.site.local
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cin
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 r4 [TestMethod]
cin
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 r15 public void RejectTest() {
int res = -1;
Exception err = null;
cin
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 r4
cin
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 r15 var p = new Promise<int>();
p.Then(x => res = x, e => err = e);
p.Reject(new ApplicationException("error"));
cin
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cin
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 r15 Assert.AreEqual(res, -1);
Assert.AreEqual(err.Message, "error");
cin
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cin
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 r15 }
user@factory.site.local
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cin
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 r4 [TestMethod]
cin
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 r15 public void JoinSuccessTest() {
var p = new Promise<int>();
p.Resolve(100);
Assert.AreEqual(p.Join(), 100);
}
user@factory.site.local
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 r0
cin
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 r4 [TestMethod]
cin
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 r15 public void JoinFailTest() {
var p = new Promise<int>();
p.Reject(new ApplicationException("failed"));
cin
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 r4
cin
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 r15 try {
p.Join();
throw new ApplicationException("WRONG!");
} catch (TargetInvocationException err) {
Assert.AreEqual(err.InnerException.Message, "failed");
} catch {
Assert.Fail("Got wrong excaption");
}
}
user@factory.site.local
initial commit...
 r0
cin
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 r4 [TestMethod]
cin
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 r15 public void MapTest() {
var p = new Promise<int>();
cin
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 r4
cin
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 r15 var p2 = p.Map(x => x.ToString());
p.Resolve(100);
cin
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 r4
cin
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 r15 Assert.AreEqual(p2.Join(), "100");
}
user@factory.site.local
initial commit...
 r0
cin
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 r4 [TestMethod]
cin
refactoring
 r11 public void FixErrorTest() {
var p = new Promise<int>();
var p2 = p.Error(e => 101);
p.Reject(new Exception());
Assert.AreEqual(p2.Join(), 101);
}
[TestMethod]
cin
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 r15 public void ChainTest() {
var p1 = new Promise<int>();
cin
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cin
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 r15 var p3 = p1.Chain(x => {
var p2 = new Promise<string>();
p2.Resolve(x.ToString());
return p2;
});
cin
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 r4
cin
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 r15 p1.Resolve(100);
cin
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 r4
cin
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 r15 Assert.AreEqual(p3.Join(), "100");
}
user@factory.site.local
initial commit...
 r0
cin
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 r4 [TestMethod]
cin
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 r15 public void PoolTest() {
var pid = Thread.CurrentThread.ManagedThreadId;
var p = AsyncPool.Invoke(() => Thread.CurrentThread.ManagedThreadId);
cin
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 r4
cin
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 r15 Assert.AreNotEqual(pid, p.Join());
}
cin
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 r10
[TestMethod]
cin
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 r13 public void WorkerPoolSizeTest() {
cin
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 r17 var pool = new WorkerPool(5, 10, 0);
cin
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 r13
cin
refactoring, sync
 r20 Assert.AreEqual(5, pool.PoolSize);
cin
small fixes, WorkerPool still incomplete
 r13
cin
implemented nonblocking wake singnals processing
 r22 pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
cin
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 r13
cin
refactoring, sync
 r20 Assert.AreEqual(5, pool.PoolSize);
cin
small fixes, WorkerPool still incomplete
 r13
for (int i = 0; i < 100; i++)
cin
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 r22 pool.Invoke(() => { Thread.Sleep(100000000); return 10; });
Thread.Sleep(200);
cin
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 r20 Assert.AreEqual(10, pool.PoolSize);
cin
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 r15
pool.Dispose();
cin
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 r13 }
[TestMethod]
public void WorkerPoolCorrectTest() {
cin
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 r17 var pool = new WorkerPool(0,1000,100);
cin
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 r15
int iterations = 1000;
int pending = iterations;
var stop = new ManualResetEvent(false);
cin
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 r13
var count = 0;
cin
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 r15 for (int i = 0; i < iterations; i++) {
cin
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 r13 pool
.Invoke(() => 1)
cin
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 r15 .Then(x => Interlocked.Add(ref count, x))
.Then(x => Math.Log10(x))
.Anyway(() => {
Interlocked.Decrement(ref pending);
if (pending == 0)
stop.Set();
});
}
stop.WaitOne();
cin
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 r13
cin
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 r15 Assert.AreEqual(iterations, count);
Console.WriteLine("Max threads: {0}", pool.MaxRunningThreads);
pool.Dispose();
}
[TestMethod]
public void WorkerPoolDisposeTest() {
var pool = new WorkerPool(5, 20);
cin
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 r20 Assert.AreEqual(5, pool.PoolSize);
cin
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 r15 pool.Dispose();
cin
DispatchPool works again, but performance is poor in some cases
 r21 Thread.Sleep(500);
cin
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 r20 Assert.AreEqual(0, pool.PoolSize);
cin
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 r15 pool.Dispose();
cin
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 r13 }
[TestMethod]
cin
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 r14 public void MTQueueTest() {
var queue = new MTQueue<int>();
int res;
queue.Enqueue(10);
Assert.IsTrue(queue.TryDequeue(out res));
Assert.AreEqual(10, res);
Assert.IsFalse(queue.TryDequeue(out res));
for (int i = 0; i < 1000; i++)
queue.Enqueue(i);
for (int i = 0; i < 1000; i++) {
queue.TryDequeue(out res);
Assert.AreEqual(i, res);
}
int writers = 0;
int readers = 0;
var stop = new ManualResetEvent(false);
int total = 0;
int itemsPerWriter = 1000;
int writersCount = 3;
for (int i = 0; i < writersCount; i++) {
Interlocked.Increment(ref writers);
var wn = i;
AsyncPool
.InvokeNewThread(() => {
for (int ii = 0; ii < itemsPerWriter; ii++) {
queue.Enqueue(1);
}
return 1;
})
cin
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 r15 .Anyway(() => Interlocked.Decrement(ref writers));
cin
Implemented interllocked queue...
 r14 }
cin
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 r15
cin
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 r14 for (int i = 0; i < 10; i++) {
Interlocked.Increment(ref readers);
var wn = i;
AsyncPool
.InvokeNewThread(() => {
int t;
do {
while (queue.TryDequeue(out t))
Interlocked.Add(ref total, t);
} while (writers > 0);
return 1;
})
cin
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 r15 .Anyway(() => {
cin
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 r14 Interlocked.Decrement(ref readers);
if (readers == 0)
stop.Set();
});
}
stop.WaitOne();
Assert.AreEqual(itemsPerWriter * writersCount, total);
}
[TestMethod]
cin
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 r15 public void ParallelMapTest() {
int count = 100000;
double[] args = new double[count];
var rand = new Random();
for (int i = 0; i < count; i++)
args[i] = rand.NextDouble();
var t = Environment.TickCount;
var res = args.ParallelMap(x => Math.Sin(x*x), 4).Join();
Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t);
t = Environment.TickCount;
for (int i = 0; i < count; i++)
Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]);
Console.WriteLine("Verified in {0} ms", Environment.TickCount - t);
}
[TestMethod]
cin
sync
 r16 public void ChainedMapTest() {
cin
fixed race condition in DispatchPool
 r34 using (var pool = new WorkerPool(0,100,100)) {
cin
sync
 r16 int count = 10000;
double[] args = new double[count];
var rand = new Random();
for (int i = 0; i < count; i++)
args[i] = rand.NextDouble();
var t = Environment.TickCount;
var res = args
cin
small refactoring, cleanup.
 r30 .ChainedMap(
cin
sync
 r16 x => pool.Invoke(
() => Math.Sin(x * x)
),
4
)
.Join();
Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t);
t = Environment.TickCount;
for (int i = 0; i < count; i++)
Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]);
Console.WriteLine("Verified in {0} ms", Environment.TickCount - t);
Console.WriteLine("Max workers: {0}", pool.MaxRunningThreads);
}
}
[TestMethod]
cin
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 r15 public void ParallelForEachTest() {
int count = 100000;
int[] args = new int[count];
var rand = new Random();
for (int i = 0; i < count; i++)
args[i] = (int)(rand.NextDouble() * 100);
int result = 0;
var t = Environment.TickCount;
args.ParallelForEach(x => Interlocked.Add(ref result, x), 4).Join();
Console.WriteLine("Iteration complete in {0} ms, result: {1}", Environment.TickCount - t, result);
int result2 = 0;
t = Environment.TickCount;
for (int i = 0; i < count; i++)
result2 += args[i];
Assert.AreEqual(result2, result);
Console.WriteLine("Verified in {0} ms", Environment.TickCount - t);
}
[TestMethod]
cin
implemeted new cancellable promises concept
 r10 public void ComplexCase1Test() {
var flags = new bool[3];
// op1 (aync 200ms) => op2 (async 200ms) => op3 (sync map)
var p = PromiseHelper
.Sleep(200, "Alan")
.Cancelled(() => flags[0] = true)
.Chain(x =>
PromiseHelper
.Sleep(200, "Hi, " + x)
cin
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 r15 .Map(y => y)
cin
implemeted new cancellable promises concept
 r10 .Cancelled(() => flags[1] = true)
)
.Cancelled(() => flags[2] = true);
Thread.Sleep(300);
p.Cancel();
try {
Assert.AreEqual(p.Join(), "Hi, Alan");
Assert.Fail("Shouldn't get here");
cin
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 r15 } catch (OperationCanceledException) {
cin
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 r10 }
Assert.IsFalse(flags[0]);
Assert.IsTrue(flags[1]);
Assert.IsTrue(flags[2]);
}
cin
removed the reference to the parent from the promise object this allows...
 r33
[TestMethod]
public void ChainedCancel1Test() {
// при отмене сцепленной асинхронной операции все обещание должно
// завершаться ошибкой OperationCanceledException
var p = PromiseHelper
.Sleep(1, "Hi, HAL!")
.Chain(x => {
// запускаем две асинхронные операции
var result = PromiseHelper.Sleep(1000, "HEM ENABLED!!!");
// вторая операция отменяет первую до завершения
PromiseHelper
.Sleep(100, "HAL, STOP!")
.Then(() => result.Cancel());
return result;
});
try {
p.Join();
} catch (TargetInvocationException err) {
Assert.IsTrue(err.InnerException is OperationCanceledException);
}
}
[TestMethod]
public void ChainedCancel2Test() {
// при отмене цепочки обещаний, вложенные операции также должны отменяться
IPromiseBase p = null;
var pSurvive = new Promise<bool>();
var hemStarted = new ManualResetEvent(false);
p = PromiseHelper
.Sleep(1, "Hi, HAL!")
.Chain(x => {
hemStarted.Set();
// запускаем две асинхронные операции
var result = PromiseHelper
.Sleep(1000, "HEM ENABLED!!!")
.Then(s => pSurvive.Resolve(false));
result
.Cancelled(() => pSurvive.Resolve(true));
return result;
});
hemStarted.WaitOne();
p.Cancel();
try {
p.Join();
} catch (OperationCanceledException) {
Assert.IsTrue(pSurvive.Join());
}
}
cin
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 r15 }
cin
Implab.Fx: implemented animation object...
 r4 }