ObservableJoinsTest.cs 57 KB

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  1. // Licensed to the .NET Foundation under one or more agreements.
  2. // The .NET Foundation licenses this file to you under the Apache 2.0 License.
  3. // See the LICENSE file in the project root for more information.
  4. using System;
  5. using System.Collections.Generic;
  6. using System.Reactive.Joins;
  7. using System.Reactive.Linq;
  8. using Microsoft.Reactive.Testing;
  9. using Xunit;
  10. namespace ReactiveTests.Tests
  11. {
  12. public partial class ObservableWhensTest : ReactiveTest
  13. {
  14. #region And
  15. [Fact]
  16. public void And_ArgumentChecking()
  17. {
  18. var someObservable = Observable.Return(1);
  19. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(null, someObservable));
  20. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, null));
  21. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And<int>(null));
  22. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And<int>(null));
  23. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And<int>(null));
  24. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And<int>(null));
  25. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And<int>(null));
  26. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And<int>(null));
  27. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And<int>(null));
  28. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And<int>(null));
  29. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And<int>(null));
  30. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And<int>(null));
  31. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And<int>(null));
  32. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And<int>(null));
  33. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And<int>(null));
  34. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And<int>(null));
  35. }
  36. [Fact]
  37. public void And2()
  38. {
  39. var scheduler = new TestScheduler();
  40. const int N = 2;
  41. var obs = new List<IObservable<int>>();
  42. for (int i = 0; i < N; i++)
  43. {
  44. obs.Add(scheduler.CreateHotObservable(
  45. OnNext(210, 1),
  46. OnCompleted<int>(220)
  47. ));
  48. }
  49. var res = scheduler.Start(() =>
  50. Observable.When(obs[0].And(obs[1]).Then((a, b) => a + b))
  51. );
  52. res.Messages.AssertEqual(
  53. OnNext(210, N),
  54. OnCompleted<int>(220)
  55. );
  56. }
  57. [Fact]
  58. public void And2Error()
  59. {
  60. var ex = new Exception();
  61. const int N = 2;
  62. for (int i = 0; i < N; i++)
  63. {
  64. var scheduler = new TestScheduler();
  65. var obs = new List<IObservable<int>>();
  66. for (int j = 0; j < N; j++)
  67. {
  68. if (j == i)
  69. {
  70. obs.Add(scheduler.CreateHotObservable(
  71. OnError<int>(210, ex)
  72. ));
  73. }
  74. else
  75. {
  76. obs.Add(scheduler.CreateHotObservable(
  77. OnNext(210, 1),
  78. OnCompleted<int>(220)
  79. ));
  80. }
  81. }
  82. var res = scheduler.Start(() =>
  83. Observable.When(obs[0].And(obs[1]).Then((a, b) => 0))
  84. );
  85. res.Messages.AssertEqual(
  86. OnError<int>(210, ex)
  87. );
  88. }
  89. }
  90. [Fact]
  91. public void And3()
  92. {
  93. var scheduler = new TestScheduler();
  94. const int N = 3;
  95. var obs = new List<IObservable<int>>();
  96. for (int i = 0; i < N; i++)
  97. {
  98. obs.Add(scheduler.CreateHotObservable(
  99. OnNext(210, 1),
  100. OnCompleted<int>(220)
  101. ));
  102. }
  103. var res = scheduler.Start(() =>
  104. Observable.When(obs[0].And(obs[1]).And(obs[2]).Then((a, b, c) => a + b + c))
  105. );
  106. res.Messages.AssertEqual(
  107. OnNext(210, N),
  108. OnCompleted<int>(220)
  109. );
  110. }
  111. [Fact]
  112. public void And3Error()
  113. {
  114. var ex = new Exception();
  115. const int N = 3;
  116. for (int i = 0; i < N; i++)
  117. {
  118. var scheduler = new TestScheduler();
  119. var obs = new List<IObservable<int>>();
  120. for (int j = 0; j < N; j++)
  121. {
  122. if (j == i)
  123. {
  124. obs.Add(scheduler.CreateHotObservable(
  125. OnError<int>(210, ex)
  126. ));
  127. }
  128. else
  129. {
  130. obs.Add(scheduler.CreateHotObservable(
  131. OnNext(210, 1),
  132. OnCompleted<int>(220)
  133. ));
  134. }
  135. }
  136. var res = scheduler.Start(() =>
  137. Observable.When(obs[0].And(obs[1]).And(obs[2]).Then((a, b, c) => 0))
  138. );
  139. res.Messages.AssertEqual(
  140. OnError<int>(210, ex)
  141. );
  142. }
  143. }
  144. [Fact]
  145. public void And4()
  146. {
  147. var scheduler = new TestScheduler();
  148. const int N = 4;
  149. var obs = new List<IObservable<int>>();
  150. for (int i = 0; i < N; i++)
  151. {
  152. obs.Add(scheduler.CreateHotObservable(
  153. OnNext(210, 1),
  154. OnCompleted<int>(220)
  155. ));
  156. }
  157. var res = scheduler.Start(() =>
  158. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).Then((a, b, c, d) => a + b + c + d))
  159. );
  160. res.Messages.AssertEqual(
  161. OnNext(210, N),
  162. OnCompleted<int>(220)
  163. );
  164. }
  165. [Fact]
  166. public void And4Error()
  167. {
  168. var ex = new Exception();
  169. const int N = 4;
  170. for (int i = 0; i < N; i++)
  171. {
  172. var scheduler = new TestScheduler();
  173. var obs = new List<IObservable<int>>();
  174. for (int j = 0; j < N; j++)
  175. {
  176. if (j == i)
  177. {
  178. obs.Add(scheduler.CreateHotObservable(
  179. OnError<int>(210, ex)
  180. ));
  181. }
  182. else
  183. {
  184. obs.Add(scheduler.CreateHotObservable(
  185. OnNext(210, 1),
  186. OnCompleted<int>(220)
  187. ));
  188. }
  189. }
  190. var res = scheduler.Start(() =>
  191. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).Then((a, b, c, d) => 0))
  192. );
  193. res.Messages.AssertEqual(
  194. OnError<int>(210, ex)
  195. );
  196. }
  197. }
  198. [Fact]
  199. public void And5()
  200. {
  201. var scheduler = new TestScheduler();
  202. const int N = 5;
  203. var obs = new List<IObservable<int>>();
  204. for (int i = 0; i < N; i++)
  205. {
  206. obs.Add(scheduler.CreateHotObservable(
  207. OnNext(210, 1),
  208. OnCompleted<int>(220)
  209. ));
  210. }
  211. var res = scheduler.Start(() =>
  212. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).Then((a, b, c, d, e) => a + b + c + d + e))
  213. );
  214. res.Messages.AssertEqual(
  215. OnNext(210, N),
  216. OnCompleted<int>(220)
  217. );
  218. }
  219. [Fact]
  220. public void And5Error()
  221. {
  222. var ex = new Exception();
  223. const int N = 5;
  224. for (int i = 0; i < N; i++)
  225. {
  226. var scheduler = new TestScheduler();
  227. var obs = new List<IObservable<int>>();
  228. for (int j = 0; j < N; j++)
  229. {
  230. if (j == i)
  231. {
  232. obs.Add(scheduler.CreateHotObservable(
  233. OnError<int>(210, ex)
  234. ));
  235. }
  236. else
  237. {
  238. obs.Add(scheduler.CreateHotObservable(
  239. OnNext(210, 1),
  240. OnCompleted<int>(220)
  241. ));
  242. }
  243. }
  244. var res = scheduler.Start(() =>
  245. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).Then((a, b, c, d, e) => 0))
  246. );
  247. res.Messages.AssertEqual(
  248. OnError<int>(210, ex)
  249. );
  250. }
  251. }
  252. [Fact]
  253. public void And6()
  254. {
  255. var scheduler = new TestScheduler();
  256. const int N = 6;
  257. var obs = new List<IObservable<int>>();
  258. for (int i = 0; i < N; i++)
  259. {
  260. obs.Add(scheduler.CreateHotObservable(
  261. OnNext(210, 1),
  262. OnCompleted<int>(220)
  263. ));
  264. }
  265. var res = scheduler.Start(() =>
  266. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).Then((a, b, c, d, e, f) => a + b + c + d + e + f))
  267. );
  268. res.Messages.AssertEqual(
  269. OnNext(210, N),
  270. OnCompleted<int>(220)
  271. );
  272. }
  273. [Fact]
  274. public void And6Error()
  275. {
  276. var ex = new Exception();
  277. const int N = 6;
  278. for (int i = 0; i < N; i++)
  279. {
  280. var scheduler = new TestScheduler();
  281. var obs = new List<IObservable<int>>();
  282. for (int j = 0; j < N; j++)
  283. {
  284. if (j == i)
  285. {
  286. obs.Add(scheduler.CreateHotObservable(
  287. OnError<int>(210, ex)
  288. ));
  289. }
  290. else
  291. {
  292. obs.Add(scheduler.CreateHotObservable(
  293. OnNext(210, 1),
  294. OnCompleted<int>(220)
  295. ));
  296. }
  297. }
  298. var res = scheduler.Start(() =>
  299. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).Then((a, b, c, d, e, f) => 0))
  300. );
  301. res.Messages.AssertEqual(
  302. OnError<int>(210, ex)
  303. );
  304. }
  305. }
  306. [Fact]
  307. public void And7()
  308. {
  309. var scheduler = new TestScheduler();
  310. const int N = 7;
  311. var obs = new List<IObservable<int>>();
  312. for (int i = 0; i < N; i++)
  313. {
  314. obs.Add(scheduler.CreateHotObservable(
  315. OnNext(210, 1),
  316. OnCompleted<int>(220)
  317. ));
  318. }
  319. var res = scheduler.Start(() =>
  320. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).Then((a, b, c, d, e, f, g) => a + b + c + d + e + f + g))
  321. );
  322. res.Messages.AssertEqual(
  323. OnNext(210, N),
  324. OnCompleted<int>(220)
  325. );
  326. }
  327. [Fact]
  328. public void And7Error()
  329. {
  330. var ex = new Exception();
  331. const int N = 7;
  332. for (int i = 0; i < N; i++)
  333. {
  334. var scheduler = new TestScheduler();
  335. var obs = new List<IObservable<int>>();
  336. for (int j = 0; j < N; j++)
  337. {
  338. if (j == i)
  339. {
  340. obs.Add(scheduler.CreateHotObservable(
  341. OnError<int>(210, ex)
  342. ));
  343. }
  344. else
  345. {
  346. obs.Add(scheduler.CreateHotObservable(
  347. OnNext(210, 1),
  348. OnCompleted<int>(220)
  349. ));
  350. }
  351. }
  352. var res = scheduler.Start(() =>
  353. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).Then((a, b, c, d, e, f, g) => 0))
  354. );
  355. res.Messages.AssertEqual(
  356. OnError<int>(210, ex)
  357. );
  358. }
  359. }
  360. [Fact]
  361. public void And8()
  362. {
  363. var scheduler = new TestScheduler();
  364. const int N = 8;
  365. var obs = new List<IObservable<int>>();
  366. for (int i = 0; i < N; i++)
  367. {
  368. obs.Add(scheduler.CreateHotObservable(
  369. OnNext(210, 1),
  370. OnCompleted<int>(220)
  371. ));
  372. }
  373. var res = scheduler.Start(() =>
  374. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).Then((a, b, c, d, e, f, g, h) => a + b + c + d + e + f + g + h))
  375. );
  376. res.Messages.AssertEqual(
  377. OnNext(210, N),
  378. OnCompleted<int>(220)
  379. );
  380. }
  381. [Fact]
  382. public void And8Error()
  383. {
  384. var ex = new Exception();
  385. const int N = 8;
  386. for (int i = 0; i < N; i++)
  387. {
  388. var scheduler = new TestScheduler();
  389. var obs = new List<IObservable<int>>();
  390. for (int j = 0; j < N; j++)
  391. {
  392. if (j == i)
  393. {
  394. obs.Add(scheduler.CreateHotObservable(
  395. OnError<int>(210, ex)
  396. ));
  397. }
  398. else
  399. {
  400. obs.Add(scheduler.CreateHotObservable(
  401. OnNext(210, 1),
  402. OnCompleted<int>(220)
  403. ));
  404. }
  405. }
  406. var res = scheduler.Start(() =>
  407. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).Then((a, b, c, d, e, f, g, h) => 0))
  408. );
  409. res.Messages.AssertEqual(
  410. OnError<int>(210, ex)
  411. );
  412. }
  413. }
  414. [Fact]
  415. public void And9()
  416. {
  417. var scheduler = new TestScheduler();
  418. const int N = 9;
  419. var obs = new List<IObservable<int>>();
  420. for (int i = 0; i < N; i++)
  421. {
  422. obs.Add(scheduler.CreateHotObservable(
  423. OnNext(210, 1),
  424. OnCompleted<int>(220)
  425. ));
  426. }
  427. var res = scheduler.Start(() =>
  428. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).Then((a, b, c, d, e, f, g, h, i) => a + b + c + d + e + f + g + h + i))
  429. );
  430. res.Messages.AssertEqual(
  431. OnNext(210, N),
  432. OnCompleted<int>(220)
  433. );
  434. }
  435. [Fact]
  436. public void And9Error()
  437. {
  438. var ex = new Exception();
  439. const int N = 9;
  440. for (int i = 0; i < N; i++)
  441. {
  442. var scheduler = new TestScheduler();
  443. var obs = new List<IObservable<int>>();
  444. for (int j = 0; j < N; j++)
  445. {
  446. if (j == i)
  447. {
  448. obs.Add(scheduler.CreateHotObservable(
  449. OnError<int>(210, ex)
  450. ));
  451. }
  452. else
  453. {
  454. obs.Add(scheduler.CreateHotObservable(
  455. OnNext(210, 1),
  456. OnCompleted<int>(220)
  457. ));
  458. }
  459. }
  460. var res = scheduler.Start(() =>
  461. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).Then((a, b, c, d, e, f, g, h, i_) => 0))
  462. );
  463. res.Messages.AssertEqual(
  464. OnError<int>(210, ex)
  465. );
  466. }
  467. }
  468. [Fact]
  469. public void And10()
  470. {
  471. var scheduler = new TestScheduler();
  472. const int N = 10;
  473. var obs = new List<IObservable<int>>();
  474. for (int i = 0; i < N; i++)
  475. {
  476. obs.Add(scheduler.CreateHotObservable(
  477. OnNext(210, 1),
  478. OnCompleted<int>(220)
  479. ));
  480. }
  481. var res = scheduler.Start(() =>
  482. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).Then((a, b, c, d, e, f, g, h, i, j) => a + b + c + d + e + f + g + h + i + j))
  483. );
  484. res.Messages.AssertEqual(
  485. OnNext(210, N),
  486. OnCompleted<int>(220)
  487. );
  488. }
  489. [Fact]
  490. public void And10Error()
  491. {
  492. var ex = new Exception();
  493. const int N = 10;
  494. for (int i = 0; i < N; i++)
  495. {
  496. var scheduler = new TestScheduler();
  497. var obs = new List<IObservable<int>>();
  498. for (int j = 0; j < N; j++)
  499. {
  500. if (j == i)
  501. {
  502. obs.Add(scheduler.CreateHotObservable(
  503. OnError<int>(210, ex)
  504. ));
  505. }
  506. else
  507. {
  508. obs.Add(scheduler.CreateHotObservable(
  509. OnNext(210, 1),
  510. OnCompleted<int>(220)
  511. ));
  512. }
  513. }
  514. var res = scheduler.Start(() =>
  515. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).Then((a, b, c, d, e, f, g, h, i_, j) => 0))
  516. );
  517. res.Messages.AssertEqual(
  518. OnError<int>(210, ex)
  519. );
  520. }
  521. }
  522. [Fact]
  523. public void And11()
  524. {
  525. var scheduler = new TestScheduler();
  526. const int N = 11;
  527. var obs = new List<IObservable<int>>();
  528. for (int i = 0; i < N; i++)
  529. {
  530. obs.Add(scheduler.CreateHotObservable(
  531. OnNext(210, 1),
  532. OnCompleted<int>(220)
  533. ));
  534. }
  535. var res = scheduler.Start(() =>
  536. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).Then((a, b, c, d, e, f, g, h, i, j, k) => a + b + c + d + e + f + g + h + i + j + k))
  537. );
  538. res.Messages.AssertEqual(
  539. OnNext(210, N),
  540. OnCompleted<int>(220)
  541. );
  542. }
  543. [Fact]
  544. public void And11Error()
  545. {
  546. var ex = new Exception();
  547. const int N = 11;
  548. for (int i = 0; i < N; i++)
  549. {
  550. var scheduler = new TestScheduler();
  551. var obs = new List<IObservable<int>>();
  552. for (int j = 0; j < N; j++)
  553. {
  554. if (j == i)
  555. {
  556. obs.Add(scheduler.CreateHotObservable(
  557. OnError<int>(210, ex)
  558. ));
  559. }
  560. else
  561. {
  562. obs.Add(scheduler.CreateHotObservable(
  563. OnNext(210, 1),
  564. OnCompleted<int>(220)
  565. ));
  566. }
  567. }
  568. var res = scheduler.Start(() =>
  569. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).Then((a, b, c, d, e, f, g, h, i_, j, k) => 0))
  570. );
  571. res.Messages.AssertEqual(
  572. OnError<int>(210, ex)
  573. );
  574. }
  575. }
  576. [Fact]
  577. public void And12()
  578. {
  579. var scheduler = new TestScheduler();
  580. const int N = 12;
  581. var obs = new List<IObservable<int>>();
  582. for (int i = 0; i < N; i++)
  583. {
  584. obs.Add(scheduler.CreateHotObservable(
  585. OnNext(210, 1),
  586. OnCompleted<int>(220)
  587. ));
  588. }
  589. var res = scheduler.Start(() =>
  590. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).Then((a, b, c, d, e, f, g, h, i, j, k, l) => a + b + c + d + e + f + g + h + i + j + k + l))
  591. );
  592. res.Messages.AssertEqual(
  593. OnNext(210, N),
  594. OnCompleted<int>(220)
  595. );
  596. }
  597. [Fact]
  598. public void And12Error()
  599. {
  600. var ex = new Exception();
  601. const int N = 12;
  602. for (int i = 0; i < N; i++)
  603. {
  604. var scheduler = new TestScheduler();
  605. var obs = new List<IObservable<int>>();
  606. for (int j = 0; j < N; j++)
  607. {
  608. if (j == i)
  609. {
  610. obs.Add(scheduler.CreateHotObservable(
  611. OnError<int>(210, ex)
  612. ));
  613. }
  614. else
  615. {
  616. obs.Add(scheduler.CreateHotObservable(
  617. OnNext(210, 1),
  618. OnCompleted<int>(220)
  619. ));
  620. }
  621. }
  622. var res = scheduler.Start(() =>
  623. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).Then((a, b, c, d, e, f, g, h, i_, j, k, l) => 0))
  624. );
  625. res.Messages.AssertEqual(
  626. OnError<int>(210, ex)
  627. );
  628. }
  629. }
  630. [Fact]
  631. public void And13()
  632. {
  633. var scheduler = new TestScheduler();
  634. const int N = 13;
  635. var obs = new List<IObservable<int>>();
  636. for (int i = 0; i < N; i++)
  637. {
  638. obs.Add(scheduler.CreateHotObservable(
  639. OnNext(210, 1),
  640. OnCompleted<int>(220)
  641. ));
  642. }
  643. var res = scheduler.Start(() =>
  644. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).Then((a, b, c, d, e, f, g, h, i, j, k, l, m) => a + b + c + d + e + f + g + h + i + j + k + l + m))
  645. );
  646. res.Messages.AssertEqual(
  647. OnNext(210, N),
  648. OnCompleted<int>(220)
  649. );
  650. }
  651. [Fact]
  652. public void And13Error()
  653. {
  654. var ex = new Exception();
  655. const int N = 13;
  656. for (int i = 0; i < N; i++)
  657. {
  658. var scheduler = new TestScheduler();
  659. var obs = new List<IObservable<int>>();
  660. for (int j = 0; j < N; j++)
  661. {
  662. if (j == i)
  663. {
  664. obs.Add(scheduler.CreateHotObservable(
  665. OnError<int>(210, ex)
  666. ));
  667. }
  668. else
  669. {
  670. obs.Add(scheduler.CreateHotObservable(
  671. OnNext(210, 1),
  672. OnCompleted<int>(220)
  673. ));
  674. }
  675. }
  676. var res = scheduler.Start(() =>
  677. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).Then((a, b, c, d, e, f, g, h, i_, j, k, l, m) => 0))
  678. );
  679. res.Messages.AssertEqual(
  680. OnError<int>(210, ex)
  681. );
  682. }
  683. }
  684. [Fact]
  685. public void And14()
  686. {
  687. var scheduler = new TestScheduler();
  688. const int N = 14;
  689. var obs = new List<IObservable<int>>();
  690. for (int i = 0; i < N; i++)
  691. {
  692. obs.Add(scheduler.CreateHotObservable(
  693. OnNext(210, 1),
  694. OnCompleted<int>(220)
  695. ));
  696. }
  697. var res = scheduler.Start(() =>
  698. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).And(obs[13]).Then((a, b, c, d, e, f, g, h, i, j, k, l, m, n) => a + b + c + d + e + f + g + h + i + j + k + l + m + n))
  699. );
  700. res.Messages.AssertEqual(
  701. OnNext(210, N),
  702. OnCompleted<int>(220)
  703. );
  704. }
  705. [Fact]
  706. public void And14Error()
  707. {
  708. var ex = new Exception();
  709. const int N = 14;
  710. for (int i = 0; i < N; i++)
  711. {
  712. var scheduler = new TestScheduler();
  713. var obs = new List<IObservable<int>>();
  714. for (int j = 0; j < N; j++)
  715. {
  716. if (j == i)
  717. {
  718. obs.Add(scheduler.CreateHotObservable(
  719. OnError<int>(210, ex)
  720. ));
  721. }
  722. else
  723. {
  724. obs.Add(scheduler.CreateHotObservable(
  725. OnNext(210, 1),
  726. OnCompleted<int>(220)
  727. ));
  728. }
  729. }
  730. var res = scheduler.Start(() =>
  731. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).And(obs[13]).Then((a, b, c, d, e, f, g, h, i_, j, k, l, m, n) => 0))
  732. );
  733. res.Messages.AssertEqual(
  734. OnError<int>(210, ex)
  735. );
  736. }
  737. }
  738. [Fact]
  739. public void And15()
  740. {
  741. var scheduler = new TestScheduler();
  742. const int N = 15;
  743. var obs = new List<IObservable<int>>();
  744. for (int i = 0; i < N; i++)
  745. {
  746. obs.Add(scheduler.CreateHotObservable(
  747. OnNext(210, 1),
  748. OnCompleted<int>(220)
  749. ));
  750. }
  751. var res = scheduler.Start(() =>
  752. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).And(obs[13]).And(obs[14]).Then((a, b, c, d, e, f, g, h, i, j, k, l, m, n, o) => a + b + c + d + e + f + g + h + i + j + k + l + m + n + o))
  753. );
  754. res.Messages.AssertEqual(
  755. OnNext(210, N),
  756. OnCompleted<int>(220)
  757. );
  758. }
  759. [Fact]
  760. public void And15Error()
  761. {
  762. var ex = new Exception();
  763. const int N = 15;
  764. for (int i = 0; i < N; i++)
  765. {
  766. var scheduler = new TestScheduler();
  767. var obs = new List<IObservable<int>>();
  768. for (int j = 0; j < N; j++)
  769. {
  770. if (j == i)
  771. {
  772. obs.Add(scheduler.CreateHotObservable(
  773. OnError<int>(210, ex)
  774. ));
  775. }
  776. else
  777. {
  778. obs.Add(scheduler.CreateHotObservable(
  779. OnNext(210, 1),
  780. OnCompleted<int>(220)
  781. ));
  782. }
  783. }
  784. var res = scheduler.Start(() =>
  785. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).And(obs[13]).And(obs[14]).Then((a, b, c, d, e, f, g, h, i_, j, k, l, m, n, o) => 0))
  786. );
  787. res.Messages.AssertEqual(
  788. OnError<int>(210, ex)
  789. );
  790. }
  791. }
  792. [Fact]
  793. public void And16()
  794. {
  795. var scheduler = new TestScheduler();
  796. const int N = 16;
  797. var obs = new List<IObservable<int>>();
  798. for (int i = 0; i < N; i++)
  799. {
  800. obs.Add(scheduler.CreateHotObservable(
  801. OnNext(210, 1),
  802. OnCompleted<int>(220)
  803. ));
  804. }
  805. var res = scheduler.Start(() =>
  806. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).And(obs[13]).And(obs[14]).And(obs[15]).Then((a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p) => a + b + c + d + e + f + g + h + i + j + k + l + m + n + o + p))
  807. );
  808. res.Messages.AssertEqual(
  809. OnNext(210, N),
  810. OnCompleted<int>(220)
  811. );
  812. }
  813. [Fact]
  814. public void And16Error()
  815. {
  816. var ex = new Exception();
  817. const int N = 16;
  818. for (int i = 0; i < N; i++)
  819. {
  820. var scheduler = new TestScheduler();
  821. var obs = new List<IObservable<int>>();
  822. for (int j = 0; j < N; j++)
  823. {
  824. if (j == i)
  825. {
  826. obs.Add(scheduler.CreateHotObservable(
  827. OnError<int>(210, ex)
  828. ));
  829. }
  830. else
  831. {
  832. obs.Add(scheduler.CreateHotObservable(
  833. OnNext(210, 1),
  834. OnCompleted<int>(220)
  835. ));
  836. }
  837. }
  838. var res = scheduler.Start(() =>
  839. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).And(obs[13]).And(obs[14]).And(obs[15]).Then((a, b, c, d, e, f, g, h, i_, j, k, l, m, n, o, p) => 0))
  840. );
  841. res.Messages.AssertEqual(
  842. OnError<int>(210, ex)
  843. );
  844. }
  845. }
  846. #endregion
  847. #region Then
  848. [Fact]
  849. public void Then_ArgumentChecking()
  850. {
  851. var someObservable = Observable.Return(1);
  852. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Then<int, int>(null, _ => _));
  853. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Then<int, int>(someObservable, null));
  854. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).Then<int>(null));
  855. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).Then<int>(null));
  856. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).Then<int>(null));
  857. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  858. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  859. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  860. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  861. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  862. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  863. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  864. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  865. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  866. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  867. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  868. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).And(someObservable).Then<int>(null));
  869. }
  870. [Fact]
  871. public void Then1()
  872. {
  873. var scheduler = new TestScheduler();
  874. var xs = scheduler.CreateHotObservable(
  875. OnNext(210, 1),
  876. OnCompleted<int>(220)
  877. );
  878. var res = scheduler.Start(() =>
  879. Observable.When(xs.Then(a => a))
  880. );
  881. res.Messages.AssertEqual(
  882. OnNext(210, 1),
  883. OnCompleted<int>(220)
  884. );
  885. }
  886. [Fact]
  887. public void Then1Error()
  888. {
  889. var ex = new Exception();
  890. var scheduler = new TestScheduler();
  891. var xs = scheduler.CreateHotObservable(
  892. OnError<int>(210, ex)
  893. );
  894. var res = scheduler.Start(() =>
  895. Observable.When(xs.Then(a => a))
  896. );
  897. res.Messages.AssertEqual(
  898. OnError<int>(210, ex)
  899. );
  900. }
  901. [Fact]
  902. public void Then1Throws()
  903. {
  904. var ex = new Exception();
  905. var scheduler = new TestScheduler();
  906. var xs = scheduler.CreateHotObservable(
  907. OnNext(210, 1),
  908. OnCompleted<int>(220)
  909. );
  910. var res = scheduler.Start(() =>
  911. Observable.When(xs.Then<int, int>(a => { throw ex; }))
  912. );
  913. res.Messages.AssertEqual(
  914. OnError<int>(210, ex)
  915. );
  916. }
  917. [Fact]
  918. public void Then2Throws()
  919. {
  920. var scheduler = new TestScheduler();
  921. var ex = new Exception();
  922. const int N = 2;
  923. var obs = new List<IObservable<int>>();
  924. for (int i = 0; i < N; i++)
  925. {
  926. obs.Add(scheduler.CreateHotObservable(
  927. OnNext(210, 1),
  928. OnCompleted<int>(220)
  929. ));
  930. }
  931. var res = scheduler.Start(() =>
  932. Observable.When(obs[0].And(obs[1]).Then<int>((a, b) => { throw ex; }))
  933. );
  934. res.Messages.AssertEqual(
  935. OnError<int>(210, ex)
  936. );
  937. }
  938. [Fact]
  939. public void Then3Throws()
  940. {
  941. var scheduler = new TestScheduler();
  942. var ex = new Exception();
  943. const int N = 3;
  944. var obs = new List<IObservable<int>>();
  945. for (int i = 0; i < N; i++)
  946. {
  947. obs.Add(scheduler.CreateHotObservable(
  948. OnNext(210, 1),
  949. OnCompleted<int>(220)
  950. ));
  951. }
  952. var res = scheduler.Start(() =>
  953. Observable.When(obs[0].And(obs[1]).And(obs[2]).Then<int>((a, b, c) => { throw ex; }))
  954. );
  955. res.Messages.AssertEqual(
  956. OnError<int>(210, ex)
  957. );
  958. }
  959. [Fact]
  960. public void Then4Throws()
  961. {
  962. var scheduler = new TestScheduler();
  963. var ex = new Exception();
  964. const int N = 4;
  965. var obs = new List<IObservable<int>>();
  966. for (int i = 0; i < N; i++)
  967. {
  968. obs.Add(scheduler.CreateHotObservable(
  969. OnNext(210, 1),
  970. OnCompleted<int>(220)
  971. ));
  972. }
  973. var res = scheduler.Start(() =>
  974. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).Then<int>((a, b, c, d) => { throw ex; }))
  975. );
  976. res.Messages.AssertEqual(
  977. OnError<int>(210, ex)
  978. );
  979. }
  980. [Fact]
  981. public void Then5Throws()
  982. {
  983. var scheduler = new TestScheduler();
  984. var ex = new Exception();
  985. const int N = 5;
  986. var obs = new List<IObservable<int>>();
  987. for (int i = 0; i < N; i++)
  988. {
  989. obs.Add(scheduler.CreateHotObservable(
  990. OnNext(210, 1),
  991. OnCompleted<int>(220)
  992. ));
  993. }
  994. var res = scheduler.Start(() =>
  995. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).Then<int>((a, b, c, d, e) => { throw ex; }))
  996. );
  997. res.Messages.AssertEqual(
  998. OnError<int>(210, ex)
  999. );
  1000. }
  1001. [Fact]
  1002. public void Then6Throws()
  1003. {
  1004. var scheduler = new TestScheduler();
  1005. var ex = new Exception();
  1006. const int N = 6;
  1007. var obs = new List<IObservable<int>>();
  1008. for (int i = 0; i < N; i++)
  1009. {
  1010. obs.Add(scheduler.CreateHotObservable(
  1011. OnNext(210, 1),
  1012. OnCompleted<int>(220)
  1013. ));
  1014. }
  1015. var res = scheduler.Start(() =>
  1016. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).Then<int>((a, b, c, d, e, f) => { throw ex; }))
  1017. );
  1018. res.Messages.AssertEqual(
  1019. OnError<int>(210, ex)
  1020. );
  1021. }
  1022. [Fact]
  1023. public void Then7Throws()
  1024. {
  1025. var scheduler = new TestScheduler();
  1026. var ex = new Exception();
  1027. const int N = 7;
  1028. var obs = new List<IObservable<int>>();
  1029. for (int i = 0; i < N; i++)
  1030. {
  1031. obs.Add(scheduler.CreateHotObservable(
  1032. OnNext(210, 1),
  1033. OnCompleted<int>(220)
  1034. ));
  1035. }
  1036. var res = scheduler.Start(() =>
  1037. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).Then<int>((a, b, c, d, e, f, g) => { throw ex; }))
  1038. );
  1039. res.Messages.AssertEqual(
  1040. OnError<int>(210, ex)
  1041. );
  1042. }
  1043. [Fact]
  1044. public void Then8Throws()
  1045. {
  1046. var scheduler = new TestScheduler();
  1047. var ex = new Exception();
  1048. const int N = 8;
  1049. var obs = new List<IObservable<int>>();
  1050. for (int i = 0; i < N; i++)
  1051. {
  1052. obs.Add(scheduler.CreateHotObservable(
  1053. OnNext(210, 1),
  1054. OnCompleted<int>(220)
  1055. ));
  1056. }
  1057. var res = scheduler.Start(() =>
  1058. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).Then<int>((a, b, c, d, e, f, g, h) => { throw ex; }))
  1059. );
  1060. res.Messages.AssertEqual(
  1061. OnError<int>(210, ex)
  1062. );
  1063. }
  1064. [Fact]
  1065. public void Then9Throws()
  1066. {
  1067. var scheduler = new TestScheduler();
  1068. var ex = new Exception();
  1069. const int N = 9;
  1070. var obs = new List<IObservable<int>>();
  1071. for (int i = 0; i < N; i++)
  1072. {
  1073. obs.Add(scheduler.CreateHotObservable(
  1074. OnNext(210, 1),
  1075. OnCompleted<int>(220)
  1076. ));
  1077. }
  1078. var res = scheduler.Start(() =>
  1079. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).Then<int>((a, b, c, d, e, f, g, h, i_) => { throw ex; }))
  1080. );
  1081. res.Messages.AssertEqual(
  1082. OnError<int>(210, ex)
  1083. );
  1084. }
  1085. [Fact]
  1086. public void Then10Throws()
  1087. {
  1088. var scheduler = new TestScheduler();
  1089. var ex = new Exception();
  1090. const int N = 10;
  1091. var obs = new List<IObservable<int>>();
  1092. for (int i = 0; i < N; i++)
  1093. {
  1094. obs.Add(scheduler.CreateHotObservable(
  1095. OnNext(210, 1),
  1096. OnCompleted<int>(220)
  1097. ));
  1098. }
  1099. var res = scheduler.Start(() =>
  1100. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).Then<int>((a, b, c, d, e, f, g, h, i_, j) => { throw ex; }))
  1101. );
  1102. res.Messages.AssertEqual(
  1103. OnError<int>(210, ex)
  1104. );
  1105. }
  1106. [Fact]
  1107. public void Then11Throws()
  1108. {
  1109. var scheduler = new TestScheduler();
  1110. var ex = new Exception();
  1111. const int N = 11;
  1112. var obs = new List<IObservable<int>>();
  1113. for (int i = 0; i < N; i++)
  1114. {
  1115. obs.Add(scheduler.CreateHotObservable(
  1116. OnNext(210, 1),
  1117. OnCompleted<int>(220)
  1118. ));
  1119. }
  1120. var res = scheduler.Start(() =>
  1121. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).Then<int>((a, b, c, d, e, f, g, h, i_, j, k) => { throw ex; }))
  1122. );
  1123. res.Messages.AssertEqual(
  1124. OnError<int>(210, ex)
  1125. );
  1126. }
  1127. [Fact]
  1128. public void Then12Throws()
  1129. {
  1130. var scheduler = new TestScheduler();
  1131. var ex = new Exception();
  1132. const int N = 12;
  1133. var obs = new List<IObservable<int>>();
  1134. for (int i = 0; i < N; i++)
  1135. {
  1136. obs.Add(scheduler.CreateHotObservable(
  1137. OnNext(210, 1),
  1138. OnCompleted<int>(220)
  1139. ));
  1140. }
  1141. var res = scheduler.Start(() =>
  1142. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).Then<int>((a, b, c, d, e, f, g, h, i_, j, k, l) => { throw ex; }))
  1143. );
  1144. res.Messages.AssertEqual(
  1145. OnError<int>(210, ex)
  1146. );
  1147. }
  1148. [Fact]
  1149. public void Then13Throws()
  1150. {
  1151. var scheduler = new TestScheduler();
  1152. var ex = new Exception();
  1153. const int N = 13;
  1154. var obs = new List<IObservable<int>>();
  1155. for (int i = 0; i < N; i++)
  1156. {
  1157. obs.Add(scheduler.CreateHotObservable(
  1158. OnNext(210, 1),
  1159. OnCompleted<int>(220)
  1160. ));
  1161. }
  1162. var res = scheduler.Start(() =>
  1163. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).Then<int>((a, b, c, d, e, f, g, h, i_, j, k, l, m) => { throw ex; }))
  1164. );
  1165. res.Messages.AssertEqual(
  1166. OnError<int>(210, ex)
  1167. );
  1168. }
  1169. [Fact]
  1170. public void Then14Throws()
  1171. {
  1172. var scheduler = new TestScheduler();
  1173. var ex = new Exception();
  1174. const int N = 14;
  1175. var obs = new List<IObservable<int>>();
  1176. for (int i = 0; i < N; i++)
  1177. {
  1178. obs.Add(scheduler.CreateHotObservable(
  1179. OnNext(210, 1),
  1180. OnCompleted<int>(220)
  1181. ));
  1182. }
  1183. var res = scheduler.Start(() =>
  1184. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).And(obs[13]).Then<int>((a, b, c, d, e, f, g, h, i_, j, k, l, m, n) => { throw ex; }))
  1185. );
  1186. res.Messages.AssertEqual(
  1187. OnError<int>(210, ex)
  1188. );
  1189. }
  1190. [Fact]
  1191. public void Then15Throws()
  1192. {
  1193. var scheduler = new TestScheduler();
  1194. var ex = new Exception();
  1195. const int N = 15;
  1196. var obs = new List<IObservable<int>>();
  1197. for (int i = 0; i < N; i++)
  1198. {
  1199. obs.Add(scheduler.CreateHotObservable(
  1200. OnNext(210, 1),
  1201. OnCompleted<int>(220)
  1202. ));
  1203. }
  1204. var res = scheduler.Start(() =>
  1205. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).And(obs[13]).And(obs[14]).Then<int>((a, b, c, d, e, f, g, h, i_, j, k, l, m, n, o) => { throw ex; }))
  1206. );
  1207. res.Messages.AssertEqual(
  1208. OnError<int>(210, ex)
  1209. );
  1210. }
  1211. [Fact]
  1212. public void Then16Throws()
  1213. {
  1214. var scheduler = new TestScheduler();
  1215. var ex = new Exception();
  1216. const int N = 16;
  1217. var obs = new List<IObservable<int>>();
  1218. for (int i = 0; i < N; i++)
  1219. {
  1220. obs.Add(scheduler.CreateHotObservable(
  1221. OnNext(210, 1),
  1222. OnCompleted<int>(220)
  1223. ));
  1224. }
  1225. var res = scheduler.Start(() =>
  1226. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).And(obs[5]).And(obs[6]).And(obs[7]).And(obs[8]).And(obs[9]).And(obs[10]).And(obs[11]).And(obs[12]).And(obs[13]).And(obs[14]).And(obs[15]).Then<int>((a, b, c, d, e, f, g, h, i_, j, k, l, m, n, o, p) => { throw ex; }))
  1227. );
  1228. res.Messages.AssertEqual(
  1229. OnError<int>(210, ex)
  1230. );
  1231. }
  1232. #endregion
  1233. #region When
  1234. [Fact]
  1235. public void When_ArgumentChecking()
  1236. {
  1237. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.When<int>((Plan<int>[])null));
  1238. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.When<int>((IEnumerable<Plan<int>>)null));
  1239. }
  1240. [Fact]
  1241. public void WhenMultipleDataSymmetric()
  1242. {
  1243. var scheduler = new TestScheduler();
  1244. var xs = scheduler.CreateHotObservable(
  1245. OnNext(210, 1),
  1246. OnNext(220, 2),
  1247. OnNext(230, 3),
  1248. OnCompleted<int>(240)
  1249. );
  1250. var ys = scheduler.CreateHotObservable(
  1251. OnNext(240, 4),
  1252. OnNext(250, 5),
  1253. OnNext(260, 6),
  1254. OnCompleted<int>(270)
  1255. );
  1256. var res = scheduler.Start(() =>
  1257. Observable.When(
  1258. xs.And(ys).Then((x, y) => x + y)
  1259. )
  1260. );
  1261. res.Messages.AssertEqual(
  1262. OnNext(240, 1 + 4),
  1263. OnNext(250, 2 + 5),
  1264. OnNext(260, 3 + 6),
  1265. OnCompleted<int>(270)
  1266. );
  1267. }
  1268. [Fact]
  1269. public void WhenMultipleDataAsymmetric()
  1270. {
  1271. var scheduler = new TestScheduler();
  1272. var xs = scheduler.CreateHotObservable(
  1273. OnNext(210, 1),
  1274. OnNext(220, 2),
  1275. OnNext(230, 3),
  1276. OnCompleted<int>(240)
  1277. );
  1278. var ys = scheduler.CreateHotObservable(
  1279. OnNext(240, 4),
  1280. OnNext(250, 5),
  1281. OnCompleted<int>(270)
  1282. );
  1283. var res = scheduler.Start(() =>
  1284. Observable.When(
  1285. xs.And(ys).Then((x, y) => x + y)
  1286. )
  1287. );
  1288. res.Messages.AssertEqual(
  1289. OnNext(240, 1 + 4),
  1290. OnNext(250, 2 + 5),
  1291. OnCompleted<int>(270)
  1292. );
  1293. }
  1294. [Fact]
  1295. public void WhenEmptyEmpty()
  1296. {
  1297. var scheduler = new TestScheduler();
  1298. var xs = scheduler.CreateHotObservable(
  1299. OnCompleted<int>(240)
  1300. );
  1301. var ys = scheduler.CreateHotObservable(
  1302. OnCompleted<int>(270)
  1303. );
  1304. var res = scheduler.Start(() =>
  1305. Observable.When(
  1306. xs.And(ys).Then((x, y) => x + y)
  1307. )
  1308. );
  1309. res.Messages.AssertEqual(
  1310. OnCompleted<int>(270)
  1311. );
  1312. }
  1313. [Fact]
  1314. public void WhenNeverNever()
  1315. {
  1316. var scheduler = new TestScheduler();
  1317. var xs = Observable.Never<int>();
  1318. var ys = Observable.Never<int>();
  1319. var res = scheduler.Start(() =>
  1320. Observable.When(
  1321. xs.And(ys).Then((x, y) => x + y)
  1322. )
  1323. );
  1324. res.Messages.AssertEqual(
  1325. );
  1326. }
  1327. [Fact]
  1328. public void WhenThrowNonEmpty()
  1329. {
  1330. var ex = new Exception();
  1331. var scheduler = new TestScheduler();
  1332. var xs = scheduler.CreateHotObservable(
  1333. OnError<int>(240, ex)
  1334. );
  1335. var ys = scheduler.CreateHotObservable(
  1336. OnCompleted<int>(270)
  1337. );
  1338. var res = scheduler.Start(() =>
  1339. Observable.When(
  1340. xs.And(ys).Then((x, y) => x + y)
  1341. )
  1342. );
  1343. res.Messages.AssertEqual(
  1344. OnError<int>(240, ex)
  1345. );
  1346. }
  1347. [Fact]
  1348. public void ComplicatedWhen()
  1349. {
  1350. var scheduler = new TestScheduler();
  1351. var xs = scheduler.CreateHotObservable(
  1352. OnNext(210, 1),
  1353. OnNext(220, 2),
  1354. OnNext(230, 3),
  1355. OnCompleted<int>(240)
  1356. );
  1357. var ys = scheduler.CreateHotObservable(
  1358. OnNext(240, 4),
  1359. OnNext(250, 5),
  1360. OnNext(260, 6),
  1361. OnCompleted<int>(270)
  1362. );
  1363. var zs = scheduler.CreateHotObservable(
  1364. OnNext(220, 7),
  1365. OnNext(230, 8),
  1366. OnNext(240, 9),
  1367. OnCompleted<int>(300)
  1368. );
  1369. var res = scheduler.Start(() =>
  1370. Observable.When(
  1371. xs.And(ys).Then((x, y) => x + y),
  1372. xs.And(zs).Then((x, z) => x * z),
  1373. ys.And(zs).Then((y, z) => y - z)
  1374. )
  1375. );
  1376. res.Messages.AssertEqual(
  1377. OnNext(220, 1 * 7),
  1378. OnNext(230, 2 * 8),
  1379. OnNext(240, 3 + 4),
  1380. OnNext(250, 5 - 9),
  1381. OnCompleted<int>(300)
  1382. );
  1383. }
  1384. [Fact]
  1385. public void When_PlansIteratorThrows()
  1386. {
  1387. var ex = new Exception();
  1388. var _e = default(Exception);
  1389. GetPlans(ex).When().Subscribe(_ => { }, e => { _e = e; });
  1390. Assert.Same(_e, ex);
  1391. }
  1392. private IEnumerable<Plan<int>> GetPlans(Exception ex)
  1393. {
  1394. if (ex != null)
  1395. throw ex;
  1396. yield break;
  1397. }
  1398. #endregion
  1399. }
  1400. }