Mercurial > pub > ImplabNet
annotate Implab.Test/AsyncTests.cs @ 76:c761fc982e1d v2
Refactoring of the IPromise<T> interface
Added tests
| author | cin |
|---|---|
| date | Wed, 10 Sep 2014 17:53:05 +0400 |
| parents | 3b8393be3441 |
| children | 91362ffbecf8 |
| rev | line source |
|---|---|
| 4 | 1 using System; |
| 2 using Microsoft.VisualStudio.TestTools.UnitTesting; | |
| 3 using System.Reflection; | |
| 4 using System.Threading; | |
| 11 | 5 using Implab.Parallels; |
| 4 | 6 |
| 15 | 7 namespace Implab.Test { |
| 8 [TestClass] | |
| 9 public class AsyncTests { | |
| 10 [TestMethod] | |
| 11 public void ResolveTest() { | |
| 12 int res = -1; | |
| 13 var p = new Promise<int>(); | |
| 14 p.Then(x => res = x); | |
| 15 p.Resolve(100); | |
| 4 | 16 |
|
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17 Assert.AreEqual(100, res); |
| 15 | 18 } |
| 0 | 19 |
| 4 | 20 [TestMethod] |
| 15 | 21 public void RejectTest() { |
| 22 int res = -1; | |
| 23 Exception err = null; | |
| 4 | 24 |
| 15 | 25 var p = new Promise<int>(); |
| 73 | 26 p.Then( |
| 27 x => res = x, | |
| 28 e => { | |
| 29 err = e; | |
| 30 return -2; | |
| 31 } | |
| 32 ); | |
| 15 | 33 p.Reject(new ApplicationException("error")); |
| 4 | 34 |
| 15 | 35 Assert.AreEqual(res, -1); |
| 36 Assert.AreEqual(err.Message, "error"); | |
| 4 | 37 |
| 15 | 38 } |
| 0 | 39 |
| 4 | 40 [TestMethod] |
| 76 | 41 public void CancelExceptionTest() { |
| 42 var p = new Promise<bool>(); | |
| 43 p.Cancel(); | |
| 44 | |
| 45 var p2 = p.Cancelled(() => { | |
| 46 throw new ApplicationException("CANCELLED"); | |
| 47 }); | |
| 48 | |
| 49 try { | |
| 50 p2.Join(); | |
| 51 Assert.Fail(); | |
| 52 } catch (ApplicationException err) { | |
| 53 Assert.AreEqual("CANCELLED", err.InnerException.Message); | |
| 54 } | |
| 55 | |
| 56 } | |
| 57 | |
| 58 [TestMethod] | |
| 59 public void ContinueOnCancelTest() { | |
| 60 var p = new Promise<bool>(); | |
| 61 p.Cancel(); | |
| 62 | |
| 63 var p2 = p | |
| 64 .Cancelled(() => { | |
| 65 throw new ApplicationException("CANCELLED"); | |
| 66 }) | |
| 67 .Error(e => true); | |
| 68 | |
| 69 Assert.AreEqual(true, p2.Join()); | |
| 70 } | |
| 71 | |
| 72 [TestMethod] | |
| 15 | 73 public void JoinSuccessTest() { |
| 74 var p = new Promise<int>(); | |
| 75 p.Resolve(100); | |
| 76 Assert.AreEqual(p.Join(), 100); | |
| 77 } | |
| 0 | 78 |
| 4 | 79 [TestMethod] |
| 15 | 80 public void JoinFailTest() { |
| 81 var p = new Promise<int>(); | |
| 82 p.Reject(new ApplicationException("failed")); | |
| 4 | 83 |
| 15 | 84 try { |
| 85 p.Join(); | |
| 86 throw new ApplicationException("WRONG!"); | |
| 87 } catch (TargetInvocationException err) { | |
| 88 Assert.AreEqual(err.InnerException.Message, "failed"); | |
| 89 } catch { | |
| 90 Assert.Fail("Got wrong excaption"); | |
| 91 } | |
| 92 } | |
| 0 | 93 |
| 4 | 94 [TestMethod] |
| 15 | 95 public void MapTest() { |
| 96 var p = new Promise<int>(); | |
| 4 | 97 |
| 76 | 98 var p2 = p.Then(x => x.ToString()); |
| 15 | 99 p.Resolve(100); |
| 4 | 100 |
| 15 | 101 Assert.AreEqual(p2.Join(), "100"); |
| 102 } | |
| 0 | 103 |
| 4 | 104 [TestMethod] |
| 11 | 105 public void FixErrorTest() { |
| 106 var p = new Promise<int>(); | |
| 107 | |
| 108 var p2 = p.Error(e => 101); | |
| 109 | |
| 110 p.Reject(new Exception()); | |
| 111 | |
| 112 Assert.AreEqual(p2.Join(), 101); | |
| 113 } | |
| 114 | |
| 115 [TestMethod] | |
| 15 | 116 public void ChainTest() { |
| 117 var p1 = new Promise<int>(); | |
| 4 | 118 |
| 15 | 119 var p3 = p1.Chain(x => { |
| 120 var p2 = new Promise<string>(); | |
| 121 p2.Resolve(x.ToString()); | |
| 122 return p2; | |
| 123 }); | |
| 4 | 124 |
| 15 | 125 p1.Resolve(100); |
| 4 | 126 |
| 15 | 127 Assert.AreEqual(p3.Join(), "100"); |
| 128 } | |
| 0 | 129 |
| 4 | 130 [TestMethod] |
| 15 | 131 public void PoolTest() { |
| 132 var pid = Thread.CurrentThread.ManagedThreadId; | |
| 133 var p = AsyncPool.Invoke(() => Thread.CurrentThread.ManagedThreadId); | |
| 4 | 134 |
| 15 | 135 Assert.AreNotEqual(pid, p.Join()); |
| 136 } | |
| 10 | 137 |
| 138 [TestMethod] | |
| 13 | 139 public void WorkerPoolSizeTest() { |
| 17 | 140 var pool = new WorkerPool(5, 10, 0); |
| 13 | 141 |
| 20 | 142 Assert.AreEqual(5, pool.PoolSize); |
| 13 | 143 |
| 22 | 144 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); |
| 145 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); | |
| 146 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); | |
| 13 | 147 |
| 20 | 148 Assert.AreEqual(5, pool.PoolSize); |
| 13 | 149 |
| 150 for (int i = 0; i < 100; i++) | |
| 22 | 151 pool.Invoke(() => { Thread.Sleep(100000000); return 10; }); |
| 152 Thread.Sleep(200); | |
| 20 | 153 Assert.AreEqual(10, pool.PoolSize); |
| 15 | 154 |
| 155 pool.Dispose(); | |
| 13 | 156 } |
| 157 | |
| 158 [TestMethod] | |
| 159 public void WorkerPoolCorrectTest() { | |
| 17 | 160 var pool = new WorkerPool(0,1000,100); |
| 15 | 161 |
| 162 int iterations = 1000; | |
| 163 int pending = iterations; | |
| 164 var stop = new ManualResetEvent(false); | |
| 13 | 165 |
| 166 var count = 0; | |
| 15 | 167 for (int i = 0; i < iterations; i++) { |
| 13 | 168 pool |
| 169 .Invoke(() => 1) | |
| 15 | 170 .Then(x => Interlocked.Add(ref count, x)) |
| 171 .Then(x => Math.Log10(x)) | |
| 172 .Anyway(() => { | |
| 173 Interlocked.Decrement(ref pending); | |
| 174 if (pending == 0) | |
| 175 stop.Set(); | |
| 176 }); | |
| 177 } | |
| 178 | |
| 179 stop.WaitOne(); | |
| 13 | 180 |
| 15 | 181 Assert.AreEqual(iterations, count); |
| 182 Console.WriteLine("Max threads: {0}", pool.MaxRunningThreads); | |
| 183 pool.Dispose(); | |
| 184 | |
| 185 } | |
| 186 | |
| 187 [TestMethod] | |
| 188 public void WorkerPoolDisposeTest() { | |
| 189 var pool = new WorkerPool(5, 20); | |
| 20 | 190 Assert.AreEqual(5, pool.PoolSize); |
| 15 | 191 pool.Dispose(); |
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192 Thread.Sleep(500); |
| 20 | 193 Assert.AreEqual(0, pool.PoolSize); |
| 15 | 194 pool.Dispose(); |
| 13 | 195 } |
| 196 | |
| 197 [TestMethod] | |
| 14 | 198 public void MTQueueTest() { |
| 199 var queue = new MTQueue<int>(); | |
| 200 int res; | |
| 201 | |
| 202 queue.Enqueue(10); | |
| 203 Assert.IsTrue(queue.TryDequeue(out res)); | |
| 204 Assert.AreEqual(10, res); | |
| 205 Assert.IsFalse(queue.TryDequeue(out res)); | |
| 206 | |
| 207 for (int i = 0; i < 1000; i++) | |
| 208 queue.Enqueue(i); | |
| 209 | |
| 210 for (int i = 0; i < 1000; i++) { | |
| 211 queue.TryDequeue(out res); | |
| 212 Assert.AreEqual(i, res); | |
| 213 } | |
| 214 | |
| 215 int writers = 0; | |
| 216 int readers = 0; | |
| 217 var stop = new ManualResetEvent(false); | |
| 218 int total = 0; | |
| 219 | |
| 76 | 220 int itemsPerWriter = 10000; |
| 221 int writersCount = 10; | |
| 14 | 222 |
| 223 for (int i = 0; i < writersCount; i++) { | |
| 224 Interlocked.Increment(ref writers); | |
| 225 var wn = i; | |
| 226 AsyncPool | |
| 227 .InvokeNewThread(() => { | |
| 228 for (int ii = 0; ii < itemsPerWriter; ii++) { | |
| 229 queue.Enqueue(1); | |
| 230 } | |
| 231 return 1; | |
| 232 }) | |
| 15 | 233 .Anyway(() => Interlocked.Decrement(ref writers)); |
| 14 | 234 } |
| 15 | 235 |
| 14 | 236 for (int i = 0; i < 10; i++) { |
| 237 Interlocked.Increment(ref readers); | |
| 238 var wn = i; | |
| 239 AsyncPool | |
| 240 .InvokeNewThread(() => { | |
| 241 int t; | |
| 242 do { | |
| 243 while (queue.TryDequeue(out t)) | |
| 244 Interlocked.Add(ref total, t); | |
| 245 } while (writers > 0); | |
| 246 return 1; | |
| 247 }) | |
| 15 | 248 .Anyway(() => { |
| 14 | 249 Interlocked.Decrement(ref readers); |
| 250 if (readers == 0) | |
| 251 stop.Set(); | |
| 252 }); | |
| 253 } | |
| 254 | |
| 255 stop.WaitOne(); | |
| 256 | |
| 257 Assert.AreEqual(itemsPerWriter * writersCount, total); | |
| 258 } | |
| 259 | |
| 260 [TestMethod] | |
| 15 | 261 public void ParallelMapTest() { |
| 262 | |
| 263 int count = 100000; | |
| 264 | |
| 265 double[] args = new double[count]; | |
| 266 var rand = new Random(); | |
| 267 | |
| 268 for (int i = 0; i < count; i++) | |
| 269 args[i] = rand.NextDouble(); | |
| 270 | |
| 271 var t = Environment.TickCount; | |
| 272 var res = args.ParallelMap(x => Math.Sin(x*x), 4).Join(); | |
| 273 | |
| 274 Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t); | |
| 275 | |
| 276 t = Environment.TickCount; | |
| 277 for (int i = 0; i < count; i++) | |
| 278 Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]); | |
| 279 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t); | |
| 280 } | |
| 281 | |
| 282 [TestMethod] | |
| 16 | 283 public void ChainedMapTest() { |
| 284 | |
| 34 | 285 using (var pool = new WorkerPool(0,100,100)) { |
| 16 | 286 int count = 10000; |
| 287 | |
| 288 double[] args = new double[count]; | |
| 289 var rand = new Random(); | |
| 290 | |
| 291 for (int i = 0; i < count; i++) | |
| 292 args[i] = rand.NextDouble(); | |
| 293 | |
| 294 var t = Environment.TickCount; | |
| 295 var res = args | |
| 30 | 296 .ChainedMap( |
| 16 | 297 x => pool.Invoke( |
| 298 () => Math.Sin(x * x) | |
| 299 ), | |
| 300 4 | |
| 301 ) | |
| 302 .Join(); | |
| 303 | |
| 304 Console.WriteLine("Map complete in {0} ms", Environment.TickCount - t); | |
| 305 | |
| 306 t = Environment.TickCount; | |
| 307 for (int i = 0; i < count; i++) | |
| 308 Assert.AreEqual(Math.Sin(args[i] * args[i]), res[i]); | |
| 309 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t); | |
| 310 Console.WriteLine("Max workers: {0}", pool.MaxRunningThreads); | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 [TestMethod] | |
| 15 | 315 public void ParallelForEachTest() { |
| 316 | |
| 317 int count = 100000; | |
| 318 | |
| 319 int[] args = new int[count]; | |
| 320 var rand = new Random(); | |
| 321 | |
| 322 for (int i = 0; i < count; i++) | |
| 323 args[i] = (int)(rand.NextDouble() * 100); | |
| 324 | |
| 325 int result = 0; | |
| 326 | |
| 327 var t = Environment.TickCount; | |
| 328 args.ParallelForEach(x => Interlocked.Add(ref result, x), 4).Join(); | |
| 329 | |
| 330 Console.WriteLine("Iteration complete in {0} ms, result: {1}", Environment.TickCount - t, result); | |
| 331 | |
| 332 int result2 = 0; | |
| 333 | |
| 334 t = Environment.TickCount; | |
| 335 for (int i = 0; i < count; i++) | |
| 336 result2 += args[i]; | |
| 337 Assert.AreEqual(result2, result); | |
| 338 Console.WriteLine("Verified in {0} ms", Environment.TickCount - t); | |
| 339 } | |
| 340 | |
| 341 [TestMethod] | |
| 10 | 342 public void ComplexCase1Test() { |
| 343 var flags = new bool[3]; | |
| 344 | |
| 345 // op1 (aync 200ms) => op2 (async 200ms) => op3 (sync map) | |
| 346 | |
| 347 var p = PromiseHelper | |
| 348 .Sleep(200, "Alan") | |
| 349 .Cancelled(() => flags[0] = true) | |
| 350 .Chain(x => | |
| 351 PromiseHelper | |
| 352 .Sleep(200, "Hi, " + x) | |
| 76 | 353 .Then(y => y) |
| 10 | 354 .Cancelled(() => flags[1] = true) |
| 355 ) | |
| 356 .Cancelled(() => flags[2] = true); | |
| 357 Thread.Sleep(300); | |
| 358 p.Cancel(); | |
| 359 try { | |
| 360 Assert.AreEqual(p.Join(), "Hi, Alan"); | |
| 361 Assert.Fail("Shouldn't get here"); | |
| 15 | 362 } catch (OperationCanceledException) { |
| 10 | 363 } |
| 364 | |
| 365 Assert.IsFalse(flags[0]); | |
| 366 Assert.IsTrue(flags[1]); | |
| 367 Assert.IsTrue(flags[2]); | |
| 368 } | |
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369 |
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370 [TestMethod] |
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371 public void ChainedCancel1Test() { |
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372 // при отмене сцепленной асинхронной операции все обещание должно |
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373 // завершаться ошибкой OperationCanceledException |
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374 var p = PromiseHelper |
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375 .Sleep(1, "Hi, HAL!") |
| 76 | 376 .Then(x => { |
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377 // запускаем две асинхронные операции |
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378 var result = PromiseHelper.Sleep(1000, "HEM ENABLED!!!"); |
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379 // вторая операция отменяет первую до завершения |
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380 PromiseHelper |
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381 .Sleep(100, "HAL, STOP!") |
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382 .Then(() => result.Cancel()); |
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383 return result; |
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384 }); |
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385 try { |
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386 p.Join(); |
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387 } catch (TargetInvocationException err) { |
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388 Assert.IsTrue(err.InnerException is OperationCanceledException); |
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389 } |
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390 } |
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391 |
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392 [TestMethod] |
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393 public void ChainedCancel2Test() { |
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394 // при отмене цепочки обещаний, вложенные операции также должны отменяться |
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395 var pSurvive = new Promise<bool>(); |
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396 var hemStarted = new ManualResetEvent(false); |
| 76 | 397 var p = PromiseHelper |
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398 .Sleep(1, "Hi, HAL!") |
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399 .Chain(x => { |
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400 hemStarted.Set(); |
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401 // запускаем две асинхронные операции |
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402 var result = PromiseHelper |
| 76 | 403 .Sleep(10000, "HEM ENABLED!!!") |
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404 .Then(s => pSurvive.Resolve(false)); |
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405 |
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406 result |
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407 .Cancelled(() => pSurvive.Resolve(true)); |
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408 |
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409 return result; |
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410 }); |
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411 |
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412 hemStarted.WaitOne(); |
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413 p.Cancel(); |
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414 |
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415 try { |
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416 p.Join(); |
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417 } catch (OperationCanceledException) { |
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418 Assert.IsTrue(pSurvive.Join()); |
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419 } |
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420 } |
| 15 | 421 } |
| 4 | 422 } |
| 423 |