Mercurial > pub > ImplabNet
annotate Implab.Test/AsyncTests.cs @ 119:2573b562e328 v2
Promises rewritten, added improved version of AsyncQueue
| author | cin |
|---|---|
| date | Sun, 11 Jan 2015 19:13:02 +0300 |
| parents | d4e38929ce36 |
| children | 62d2f1e98c4e |
| rev | line source |
|---|---|
| 77 | 1 using System; |
| 2 using System.Reflection; | |
| 3 using System.Threading; | |
| 4 using Implab.Parallels; | |
| 5 | |
| 6 #if MONO | |
| 7 | |
| 8 using NUnit.Framework; | |
| 9 using TestClassAttribute = NUnit.Framework.TestFixtureAttribute; | |
| 10 using TestMethod = NUnit.Framework.TestAttribute; | |
| 11 | |
| 12 #else | |
| 13 | |
| 14 using Microsoft.VisualStudio.TestTools.UnitTesting; | |
| 15 | |
| 16 #endif | |
| 17 | |
| 18 namespace Implab.Test { | |
| 19 [TestClass] | |
| 20 public class AsyncTests { | |
| 21 [TestMethod] | |
| 22 public void ResolveTest() { | |
| 23 int res = -1; | |
| 24 var p = new Promise<int>(); | |
| 25 p.Then(x => res = x); | |
| 26 p.Resolve(100); | |
| 27 | |
| 28 Assert.AreEqual(100, res); | |
| 29 } | |
| 30 | |
| 31 [TestMethod] | |
| 32 public void RejectTest() { | |
| 33 int res = -1; | |
| 34 Exception err = null; | |
| 35 | |
| 36 var p = new Promise<int>(); | |
| 37 p.Then( | |
| 38 x => res = x, | |
| 39 e => { | |
| 40 err = e; | |
| 41 return -2; | |
| 42 } | |
| 43 ); | |
| 44 p.Reject(new ApplicationException("error")); | |
| 45 | |
| 46 Assert.AreEqual(res, -1); | |
| 47 Assert.AreEqual(err.Message, "error"); | |
| 48 | |
| 49 } | |
| 50 | |
| 51 [TestMethod] | |
| 52 public void CancelExceptionTest() { | |
| 53 var p = new Promise<bool>(); | |
| 54 p.Cancel(); | |
| 55 | |
| 56 var p2 = p.Cancelled(() => { | |
| 57 throw new ApplicationException("CANCELLED"); | |
| 58 }); | |
| 59 | |
| 60 try { | |
| 61 p2.Join(); | |
| 62 Assert.Fail(); | |
| 63 } catch (ApplicationException err) { | |
| 64 Assert.AreEqual("CANCELLED", err.InnerException.Message); | |
| 65 } | |
| 66 | |
| 67 } | |
| 68 | |
| 69 [TestMethod] | |
| 70 public void ContinueOnCancelTest() { | |
| 71 var p = new Promise<bool>(); | |
| 72 p.Cancel(); | |
| 73 | |
| 74 var p2 = p | |
|
119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
75 .Cancelled<bool>(() => { |
| 77 | 76 throw new ApplicationException("CANCELLED"); |
| 77 }) | |
| 78 .Error(e => true); | |
| 79 | |
| 80 Assert.AreEqual(true, p2.Join()); | |
| 81 } | |
| 82 | |
| 83 [TestMethod] | |
| 84 public void JoinSuccessTest() { | |
| 85 var p = new Promise<int>(); | |
| 86 p.Resolve(100); | |
| 87 Assert.AreEqual(p.Join(), 100); | |
| 88 } | |
| 89 | |
| 90 [TestMethod] | |
| 91 public void JoinFailTest() { | |
| 92 var p = new Promise<int>(); | |
| 93 p.Reject(new ApplicationException("failed")); | |
| 94 | |
| 95 try { | |
| 96 p.Join(); | |
| 97 throw new ApplicationException("WRONG!"); | |
| 98 } catch (TargetInvocationException err) { | |
| 99 Assert.AreEqual(err.InnerException.Message, "failed"); | |
| 100 } catch { | |
| 101 Assert.Fail("Got wrong excaption"); | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 [TestMethod] | |
| 106 public void MapTest() { | |
| 107 var p = new Promise<int>(); | |
| 108 | |
| 109 var p2 = p.Then(x => x.ToString()); | |
| 110 p.Resolve(100); | |
| 111 | |
| 112 Assert.AreEqual(p2.Join(), "100"); | |
| 113 } | |
| 114 | |
| 115 [TestMethod] | |
| 116 public void FixErrorTest() { | |
| 117 var p = new Promise<int>(); | |
| 118 | |
| 119 var p2 = p.Error(e => 101); | |
| 120 | |
| 121 p.Reject(new Exception()); | |
| 122 | |
| 123 Assert.AreEqual(p2.Join(), 101); | |
| 124 } | |
| 125 | |
| 126 [TestMethod] | |
| 127 public void ChainTest() { | |
| 128 var p1 = new Promise<int>(); | |
| 129 | |
| 130 var p3 = p1.Chain(x => { | |
| 131 var p2 = new Promise<string>(); | |
| 132 p2.Resolve(x.ToString()); | |
| 133 return p2; | |
| 134 }); | |
| 135 | |
| 136 p1.Resolve(100); | |
| 137 | |
| 138 Assert.AreEqual(p3.Join(), "100"); | |
| 139 } | |
| 140 | |
| 141 [TestMethod] | |
| 105 | 142 public void ChainFailTest() { |
| 143 var p1 = new Promise<int>(); | |
| 144 | |
| 145 var p3 = p1.Chain(x => { | |
| 146 var p2 = new Promise<string>(); | |
| 147 p2.Reject(new Exception("DIE!!!")); | |
| 148 return p2; | |
| 149 }); | |
| 150 | |
| 151 p1.Resolve(100); | |
| 152 | |
| 153 Assert.IsTrue(p3.IsResolved); | |
| 154 } | |
| 155 | |
| 156 [TestMethod] | |
| 77 | 157 public void PoolTest() { |
| 158 var pid = Thread.CurrentThread.ManagedThreadId; | |
| 159 var p = AsyncPool.Invoke(() => Thread.CurrentThread.ManagedThreadId); | |
| 160 | |
| 161 Assert.AreNotEqual(pid, p.Join()); | |
| 162 } | |
| 163 | |
| 164 [TestMethod] | |
| 165 public void WorkerPoolSizeTest() { | |
| 81 | 166 var pool = new WorkerPool(5, 10, 1); |
| 77 | 167 |
| 168 Assert.AreEqual(5, pool.PoolSize); | |
| 169 | |
| 170 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); | |
| 171 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); | |
| 172 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); | |
| 173 | |
| 174 Assert.AreEqual(5, pool.PoolSize); | |
| 175 | |
| 176 for (int i = 0; i < 100; i++) | |
| 177 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); | |
| 178 Thread.Sleep(200); | |
| 179 Assert.AreEqual(10, pool.PoolSize); | |
| 180 | |
| 181 pool.Dispose(); | |
| 182 } | |
| 183 | |
| 184 [TestMethod] | |
| 185 public void WorkerPoolCorrectTest() { | |
| 186 var pool = new WorkerPool(0,1000,100); | |
| 187 | |
| 188 const int iterations = 1000; | |
| 189 int pending = iterations; | |
| 190 var stop = new ManualResetEvent(false); | |
| 191 | |
| 192 var count = 0; | |
| 193 for (int i = 0; i < iterations; i++) { | |
| 194 pool | |
| 195 .Invoke(() => 1) | |
| 196 .Then(x => Interlocked.Add(ref count, x)) | |
| 197 .Then(x => Math.Log10(x)) | |
|
119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
198 .On(() => { |
| 77 | 199 Interlocked.Decrement(ref pending); |
| 200 if (pending == 0) | |
| 201 stop.Set(); | |
|
119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
202 }, PromiseEventType.All); |
| 77 | 203 } |
| 204 | |
| 205 stop.WaitOne(); | |
| 206 | |
| 207 Assert.AreEqual(iterations, count); | |
| 208 Console.WriteLine("Max threads: {0}", pool.MaxRunningThreads); | |
| 209 pool.Dispose(); | |
| 210 | |
| 211 } | |
| 212 | |
| 213 [TestMethod] | |
| 214 public void WorkerPoolDisposeTest() { | |
| 215 var pool = new WorkerPool(5, 20); | |
| 216 Assert.AreEqual(5, pool.PoolSize); | |
| 217 pool.Dispose(); | |
| 218 Thread.Sleep(500); | |
| 219 Assert.AreEqual(0, pool.PoolSize); | |
| 220 pool.Dispose(); | |
| 221 } | |
| 222 | |
| 223 [TestMethod] | |
| 224 public void MTQueueTest() { | |
| 225 var queue = new MTQueue<int>(); | |
| 226 int res; | |
| 227 | |
| 228 queue.Enqueue(10); | |
| 229 Assert.IsTrue(queue.TryDequeue(out res)); | |
| 230 Assert.AreEqual(10, res); | |
| 231 Assert.IsFalse(queue.TryDequeue(out res)); | |
| 232 | |
| 233 for (int i = 0; i < 1000; i++) | |
| 234 queue.Enqueue(i); | |
| 235 | |
| 236 for (int i = 0; i < 1000; i++) { | |
| 237 queue.TryDequeue(out res); | |
| 238 Assert.AreEqual(i, res); | |
| 239 } | |
| 240 | |
| 241 int writers = 0; | |
| 242 int readers = 0; | |
| 243 var stop = new ManualResetEvent(false); | |
| 244 int total = 0; | |
| 245 | |
| 246 const int itemsPerWriter = 10000; | |
| 247 const int writersCount = 10; | |
| 248 | |
| 249 for (int i = 0; i < writersCount; i++) { | |
| 250 Interlocked.Increment(ref writers); | |
| 251 AsyncPool | |
| 252 .InvokeNewThread(() => { | |
| 253 for (int ii = 0; ii < itemsPerWriter; ii++) { | |
| 254 queue.Enqueue(1); | |
| 255 } | |
| 256 return 1; | |
| 257 }) | |
|
119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
258 .On(() => Interlocked.Decrement(ref writers), PromiseEventType.All); |
| 77 | 259 } |
| 260 | |
| 261 for (int i = 0; i < 10; i++) { | |
| 262 Interlocked.Increment(ref readers); | |
| 263 AsyncPool | |
| 264 .InvokeNewThread(() => { | |
| 265 int t; | |
| 266 do { | |
| 267 while (queue.TryDequeue(out t)) | |
| 268 Interlocked.Add(ref total, t); | |
| 269 } while (writers > 0); | |
| 270 return 1; | |
| 271 }) | |
|
119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
272 .On(() => { |
| 77 | 273 Interlocked.Decrement(ref readers); |
| 274 if (readers == 0) | |
| 275 stop.Set(); | |
|
119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
276 }, PromiseEventType.All); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
277 } |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
278 |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
279 stop.WaitOne(); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
280 |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
281 Assert.AreEqual(100000, total); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
282 } |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
283 |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
284 [TestMethod] |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
285 public void AsyncQueueTest() { |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
286 var queue = new AsyncQueue<int>(); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
287 int res; |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
288 |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
289 queue.Enqueue(10); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
290 Assert.IsTrue(queue.TryDequeue(out res)); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
291 Assert.AreEqual(10, res); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
292 Assert.IsFalse(queue.TryDequeue(out res)); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
293 |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
294 for (int i = 0; i < 1000; i++) |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
295 queue.Enqueue(i); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
296 |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
297 for (int i = 0; i < 1000; i++) { |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
298 queue.TryDequeue(out res); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
299 Assert.AreEqual(i, res); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
300 } |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
301 |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
302 int writers = 0; |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
303 int readers = 0; |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
304 var stop = new ManualResetEvent(false); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
305 int total = 0; |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
306 |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
307 const int itemsPerWriter = 10000; |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
308 const int writersCount = 10; |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
309 |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
310 for (int i = 0; i < writersCount; i++) { |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
311 Interlocked.Increment(ref writers); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
312 AsyncPool |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
313 .InvokeNewThread(() => { |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
314 for (int ii = 0; ii < itemsPerWriter; ii++) { |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
315 queue.Enqueue(1); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
316 } |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
317 return 1; |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
318 }) |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
319 .On(() => Interlocked.Decrement(ref writers), PromiseEventType.All); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
320 } |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
321 |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
322 for (int i = 0; i < 10; i++) { |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
323 Interlocked.Increment(ref readers); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
324 AsyncPool |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
325 .InvokeNewThread(() => { |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
326 int t; |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
327 do { |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
328 while (queue.TryDequeue(out t)) |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
329 Interlocked.Add(ref total, t); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
330 } while (writers > 0); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
331 return 1; |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
332 }) |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
333 .On(() => { |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
334 Interlocked.Decrement(ref readers); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
335 if (readers == 0) |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
336 stop.Set(); |
|
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
337 }, PromiseEventType.All); |
| 77 | 338 } |
| 339 | |
| 340 stop.WaitOne(); | |
| 341 | |
| 342 Assert.AreEqual(itemsPerWriter * writersCount, total); | |
| 343 } | |
| 344 | |
| 345 [TestMethod] | |
| 346 public void ParallelMapTest() { | |
| 347 | |
| 348 const int count = 100000; | |
| 349 | |
| 350 var args = new double[count]; | |
| 351 var rand = new Random(); | |
| 352 | |
| 353 for (int i = 0; i < count; i++) | |
| 354 args[i] = rand.NextDouble(); | |
| 355 | |
| 356 var t = Environment.TickCount; | |
| 357 var res = args.ParallelMap(x => Math.Sin(x*x), 4).Join(); | |
| 358 | |
| 359 Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t); | |
| 360 | |
| 361 t = Environment.TickCount; | |
| 362 for (int i = 0; i < count; i++) | |
| 363 Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]); | |
| 364 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t); | |
| 365 } | |
| 366 | |
| 367 [TestMethod] | |
| 368 public void ChainedMapTest() { | |
| 369 | |
| 81 | 370 using (var pool = new WorkerPool(0,10,1)) { |
| 77 | 371 const int count = 10000; |
| 372 | |
| 373 var args = new double[count]; | |
| 374 var rand = new Random(); | |
| 375 | |
| 376 for (int i = 0; i < count; i++) | |
| 377 args[i] = rand.NextDouble(); | |
| 378 | |
| 379 var t = Environment.TickCount; | |
| 380 var res = args | |
| 381 .ChainedMap( | |
| 382 // Analysis disable once AccessToDisposedClosure | |
| 383 x => pool.Invoke( | |
| 384 () => Math.Sin(x * x) | |
| 385 ), | |
| 386 4 | |
| 387 ) | |
| 388 .Join(); | |
| 389 | |
| 390 Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t); | |
| 391 | |
| 392 t = Environment.TickCount; | |
| 393 for (int i = 0; i < count; i++) | |
| 394 Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]); | |
| 395 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t); | |
| 396 Console.WriteLine("Max workers: {0}", pool.MaxRunningThreads); | |
| 397 } | |
| 398 } | |
| 399 | |
| 400 [TestMethod] | |
| 401 public void ParallelForEachTest() { | |
| 402 | |
| 403 const int count = 100000; | |
| 404 | |
| 405 var args = new int[count]; | |
| 406 var rand = new Random(); | |
| 407 | |
| 408 for (int i = 0; i < count; i++) | |
| 409 args[i] = (int)(rand.NextDouble() * 100); | |
| 410 | |
| 411 int result = 0; | |
| 412 | |
| 413 var t = Environment.TickCount; | |
| 414 args.ParallelForEach(x => Interlocked.Add(ref result, x), 4).Join(); | |
| 415 | |
| 416 Console.WriteLine("Iteration complete in {0} ms, result: {1}", Environment.TickCount - t, result); | |
| 417 | |
| 418 int result2 = 0; | |
| 419 | |
| 420 t = Environment.TickCount; | |
| 421 for (int i = 0; i < count; i++) | |
| 422 result2 += args[i]; | |
| 423 Assert.AreEqual(result2, result); | |
| 424 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t); | |
| 425 } | |
| 426 | |
| 427 [TestMethod] | |
| 428 public void ComplexCase1Test() { | |
| 429 var flags = new bool[3]; | |
| 430 | |
| 431 // op1 (aync 200ms) => op2 (async 200ms) => op3 (sync map) | |
| 432 | |
| 433 var step1 = PromiseHelper | |
| 434 .Sleep(200, "Alan") | |
|
119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
435 .On(() => flags[0] = true, PromiseEventType.Cancelled); |
| 77 | 436 var p = step1 |
| 437 .Chain(x => | |
| 438 PromiseHelper | |
| 439 .Sleep(200, "Hi, " + x) | |
| 440 .Then(y => y) | |
|
119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
441 .On(() => flags[1] = true, PromiseEventType.Cancelled) |
| 77 | 442 ) |
|
119
2573b562e328
Promises rewritten, added improved version of AsyncQueue
cin
parents:
106
diff
changeset
|
443 .On(() => flags[2] = true, PromiseEventType.Cancelled); |
| 77 | 444 step1.Join(); |
| 445 p.Cancel(); | |
| 446 try { | |
| 447 Assert.AreEqual(p.Join(), "Hi, Alan"); | |
| 448 Assert.Fail("Shouldn't get here"); | |
| 449 } catch (OperationCanceledException) { | |
| 450 } | |
| 451 | |
| 452 Assert.IsFalse(flags[0]); | |
| 453 Assert.IsTrue(flags[1]); | |
| 454 Assert.IsTrue(flags[2]); | |
| 455 } | |
| 456 | |
| 457 [TestMethod] | |
| 458 public void ChainedCancel1Test() { | |
| 459 // при отмене сцепленной асинхронной операции все обещание должно | |
| 460 // завершаться ошибкой OperationCanceledException | |
| 461 var p = PromiseHelper | |
| 462 .Sleep(1, "Hi, HAL!") | |
| 463 .Then(x => { | |
| 464 // запускаем две асинхронные операции | |
| 465 var result = PromiseHelper.Sleep(1000, "HEM ENABLED!!!"); | |
| 466 // вторая операция отменяет первую до завершения | |
| 467 PromiseHelper | |
| 468 .Sleep(100, "HAL, STOP!") | |
| 469 .Then(result.Cancel); | |
| 470 return result; | |
| 471 }); | |
| 472 try { | |
| 473 p.Join(); | |
| 474 } catch (TargetInvocationException err) { | |
| 475 Assert.IsTrue(err.InnerException is OperationCanceledException); | |
| 476 } | |
| 477 } | |
| 478 | |
| 479 [TestMethod] | |
| 480 public void ChainedCancel2Test() { | |
| 481 // при отмене цепочки обещаний, вложенные операции также должны отменяться | |
| 482 var pSurvive = new Promise<bool>(); | |
| 483 var hemStarted = new ManualResetEvent(false); | |
| 484 var p = PromiseHelper | |
| 485 .Sleep(1, "Hi, HAL!") | |
| 486 .Chain(x => { | |
| 487 hemStarted.Set(); | |
| 488 // запускаем две асинхронные операции | |
| 489 var result = PromiseHelper | |
| 106 | 490 .Sleep(100000000, "HEM ENABLED!!!") |
| 491 .Then(s => { | |
| 492 pSurvive.Resolve(false); | |
| 493 return s; | |
| 494 }); | |
| 77 | 495 |
| 496 result | |
| 497 .Cancelled(() => pSurvive.Resolve(true)); | |
| 498 | |
| 499 return result; | |
| 500 }); | |
| 501 | |
| 502 hemStarted.WaitOne(); | |
| 503 p.Cancel(); | |
| 504 | |
| 505 try { | |
| 506 p.Join(); | |
| 507 } catch (OperationCanceledException) { | |
| 508 Assert.IsTrue(pSurvive.Join()); | |
| 509 } | |
| 510 } | |
| 511 } | |
| 512 } | |
| 513 |