ObservableJoinsTest.cs 57 KB

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  1. // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
  2. using System;
  3. using System.Collections.Generic;
  4. using System.Reactive.Joins;
  5. using System.Reactive.Linq;
  6. using Microsoft.Reactive.Testing;
  7. using Xunit;
  8. namespace ReactiveTests.Tests
  9. {
  10. public partial class ObservableWhensTest : ReactiveTest
  11. {
  12. #region And
  13. [Fact]
  14. public void And_ArgumentChecking()
  15. {
  16. var someObservable = Observable.Return(1);
  17. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(null, someObservable));
  18. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, null));
  19. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And<int>(null));
  20. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And<int>(null));
  21. #if !NO_LARGEARITY
  22. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).And<int>(null));
  23. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(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(someObservable).And<int>(null));
  25. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(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(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(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(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(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(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(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(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(someObservable).And<int>(null));
  34. #endif
  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. #if !NO_LARGEARITY
  199. [Fact]
  200. public void And5()
  201. {
  202. var scheduler = new TestScheduler();
  203. const int N = 5;
  204. var obs = new List<IObservable<int>>();
  205. for (int i = 0; i < N; i++)
  206. {
  207. obs.Add(scheduler.CreateHotObservable(
  208. OnNext(210, 1),
  209. OnCompleted<int>(220)
  210. ));
  211. }
  212. var res = scheduler.Start(() =>
  213. 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))
  214. );
  215. res.Messages.AssertEqual(
  216. OnNext(210, N),
  217. OnCompleted<int>(220)
  218. );
  219. }
  220. [Fact]
  221. public void And5Error()
  222. {
  223. var ex = new Exception();
  224. const int N = 5;
  225. for (int i = 0; i < N; i++)
  226. {
  227. var scheduler = new TestScheduler();
  228. var obs = new List<IObservable<int>>();
  229. for (int j = 0; j < N; j++)
  230. {
  231. if (j == i)
  232. {
  233. obs.Add(scheduler.CreateHotObservable(
  234. OnError<int>(210, ex)
  235. ));
  236. }
  237. else
  238. {
  239. obs.Add(scheduler.CreateHotObservable(
  240. OnNext(210, 1),
  241. OnCompleted<int>(220)
  242. ));
  243. }
  244. }
  245. var res = scheduler.Start(() =>
  246. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).And(obs[4]).Then((a, b, c, d, e) => 0))
  247. );
  248. res.Messages.AssertEqual(
  249. OnError<int>(210, ex)
  250. );
  251. }
  252. }
  253. [Fact]
  254. public void And6()
  255. {
  256. var scheduler = new TestScheduler();
  257. const int N = 6;
  258. var obs = new List<IObservable<int>>();
  259. for (int i = 0; i < N; i++)
  260. {
  261. obs.Add(scheduler.CreateHotObservable(
  262. OnNext(210, 1),
  263. OnCompleted<int>(220)
  264. ));
  265. }
  266. var res = scheduler.Start(() =>
  267. 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))
  268. );
  269. res.Messages.AssertEqual(
  270. OnNext(210, N),
  271. OnCompleted<int>(220)
  272. );
  273. }
  274. [Fact]
  275. public void And6Error()
  276. {
  277. var ex = new Exception();
  278. const int N = 6;
  279. for (int i = 0; i < N; i++)
  280. {
  281. var scheduler = new TestScheduler();
  282. var obs = new List<IObservable<int>>();
  283. for (int j = 0; j < N; j++)
  284. {
  285. if (j == i)
  286. {
  287. obs.Add(scheduler.CreateHotObservable(
  288. OnError<int>(210, ex)
  289. ));
  290. }
  291. else
  292. {
  293. obs.Add(scheduler.CreateHotObservable(
  294. OnNext(210, 1),
  295. OnCompleted<int>(220)
  296. ));
  297. }
  298. }
  299. var res = scheduler.Start(() =>
  300. 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))
  301. );
  302. res.Messages.AssertEqual(
  303. OnError<int>(210, ex)
  304. );
  305. }
  306. }
  307. [Fact]
  308. public void And7()
  309. {
  310. var scheduler = new TestScheduler();
  311. const int N = 7;
  312. var obs = new List<IObservable<int>>();
  313. for (int i = 0; i < N; i++)
  314. {
  315. obs.Add(scheduler.CreateHotObservable(
  316. OnNext(210, 1),
  317. OnCompleted<int>(220)
  318. ));
  319. }
  320. var res = scheduler.Start(() =>
  321. 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))
  322. );
  323. res.Messages.AssertEqual(
  324. OnNext(210, N),
  325. OnCompleted<int>(220)
  326. );
  327. }
  328. [Fact]
  329. public void And7Error()
  330. {
  331. var ex = new Exception();
  332. const int N = 7;
  333. for (int i = 0; i < N; i++)
  334. {
  335. var scheduler = new TestScheduler();
  336. var obs = new List<IObservable<int>>();
  337. for (int j = 0; j < N; j++)
  338. {
  339. if (j == i)
  340. {
  341. obs.Add(scheduler.CreateHotObservable(
  342. OnError<int>(210, ex)
  343. ));
  344. }
  345. else
  346. {
  347. obs.Add(scheduler.CreateHotObservable(
  348. OnNext(210, 1),
  349. OnCompleted<int>(220)
  350. ));
  351. }
  352. }
  353. var res = scheduler.Start(() =>
  354. 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))
  355. );
  356. res.Messages.AssertEqual(
  357. OnError<int>(210, ex)
  358. );
  359. }
  360. }
  361. [Fact]
  362. public void And8()
  363. {
  364. var scheduler = new TestScheduler();
  365. const int N = 8;
  366. var obs = new List<IObservable<int>>();
  367. for (int i = 0; i < N; i++)
  368. {
  369. obs.Add(scheduler.CreateHotObservable(
  370. OnNext(210, 1),
  371. OnCompleted<int>(220)
  372. ));
  373. }
  374. var res = scheduler.Start(() =>
  375. 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))
  376. );
  377. res.Messages.AssertEqual(
  378. OnNext(210, N),
  379. OnCompleted<int>(220)
  380. );
  381. }
  382. [Fact]
  383. public void And8Error()
  384. {
  385. var ex = new Exception();
  386. const int N = 8;
  387. for (int i = 0; i < N; i++)
  388. {
  389. var scheduler = new TestScheduler();
  390. var obs = new List<IObservable<int>>();
  391. for (int j = 0; j < N; j++)
  392. {
  393. if (j == i)
  394. {
  395. obs.Add(scheduler.CreateHotObservable(
  396. OnError<int>(210, ex)
  397. ));
  398. }
  399. else
  400. {
  401. obs.Add(scheduler.CreateHotObservable(
  402. OnNext(210, 1),
  403. OnCompleted<int>(220)
  404. ));
  405. }
  406. }
  407. var res = scheduler.Start(() =>
  408. 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))
  409. );
  410. res.Messages.AssertEqual(
  411. OnError<int>(210, ex)
  412. );
  413. }
  414. }
  415. [Fact]
  416. public void And9()
  417. {
  418. var scheduler = new TestScheduler();
  419. const int N = 9;
  420. var obs = new List<IObservable<int>>();
  421. for (int i = 0; i < N; i++)
  422. {
  423. obs.Add(scheduler.CreateHotObservable(
  424. OnNext(210, 1),
  425. OnCompleted<int>(220)
  426. ));
  427. }
  428. var res = scheduler.Start(() =>
  429. 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))
  430. );
  431. res.Messages.AssertEqual(
  432. OnNext(210, N),
  433. OnCompleted<int>(220)
  434. );
  435. }
  436. [Fact]
  437. public void And9Error()
  438. {
  439. var ex = new Exception();
  440. const int N = 9;
  441. for (int i = 0; i < N; i++)
  442. {
  443. var scheduler = new TestScheduler();
  444. var obs = new List<IObservable<int>>();
  445. for (int j = 0; j < N; j++)
  446. {
  447. if (j == i)
  448. {
  449. obs.Add(scheduler.CreateHotObservable(
  450. OnError<int>(210, ex)
  451. ));
  452. }
  453. else
  454. {
  455. obs.Add(scheduler.CreateHotObservable(
  456. OnNext(210, 1),
  457. OnCompleted<int>(220)
  458. ));
  459. }
  460. }
  461. var res = scheduler.Start(() =>
  462. 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))
  463. );
  464. res.Messages.AssertEqual(
  465. OnError<int>(210, ex)
  466. );
  467. }
  468. }
  469. [Fact]
  470. public void And10()
  471. {
  472. var scheduler = new TestScheduler();
  473. const int N = 10;
  474. var obs = new List<IObservable<int>>();
  475. for (int i = 0; i < N; i++)
  476. {
  477. obs.Add(scheduler.CreateHotObservable(
  478. OnNext(210, 1),
  479. OnCompleted<int>(220)
  480. ));
  481. }
  482. var res = scheduler.Start(() =>
  483. 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))
  484. );
  485. res.Messages.AssertEqual(
  486. OnNext(210, N),
  487. OnCompleted<int>(220)
  488. );
  489. }
  490. [Fact]
  491. public void And10Error()
  492. {
  493. var ex = new Exception();
  494. const int N = 10;
  495. for (int i = 0; i < N; i++)
  496. {
  497. var scheduler = new TestScheduler();
  498. var obs = new List<IObservable<int>>();
  499. for (int j = 0; j < N; j++)
  500. {
  501. if (j == i)
  502. {
  503. obs.Add(scheduler.CreateHotObservable(
  504. OnError<int>(210, ex)
  505. ));
  506. }
  507. else
  508. {
  509. obs.Add(scheduler.CreateHotObservable(
  510. OnNext(210, 1),
  511. OnCompleted<int>(220)
  512. ));
  513. }
  514. }
  515. var res = scheduler.Start(() =>
  516. 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))
  517. );
  518. res.Messages.AssertEqual(
  519. OnError<int>(210, ex)
  520. );
  521. }
  522. }
  523. [Fact]
  524. public void And11()
  525. {
  526. var scheduler = new TestScheduler();
  527. const int N = 11;
  528. var obs = new List<IObservable<int>>();
  529. for (int i = 0; i < N; i++)
  530. {
  531. obs.Add(scheduler.CreateHotObservable(
  532. OnNext(210, 1),
  533. OnCompleted<int>(220)
  534. ));
  535. }
  536. var res = scheduler.Start(() =>
  537. 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))
  538. );
  539. res.Messages.AssertEqual(
  540. OnNext(210, N),
  541. OnCompleted<int>(220)
  542. );
  543. }
  544. [Fact]
  545. public void And11Error()
  546. {
  547. var ex = new Exception();
  548. const int N = 11;
  549. for (int i = 0; i < N; i++)
  550. {
  551. var scheduler = new TestScheduler();
  552. var obs = new List<IObservable<int>>();
  553. for (int j = 0; j < N; j++)
  554. {
  555. if (j == i)
  556. {
  557. obs.Add(scheduler.CreateHotObservable(
  558. OnError<int>(210, ex)
  559. ));
  560. }
  561. else
  562. {
  563. obs.Add(scheduler.CreateHotObservable(
  564. OnNext(210, 1),
  565. OnCompleted<int>(220)
  566. ));
  567. }
  568. }
  569. var res = scheduler.Start(() =>
  570. 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))
  571. );
  572. res.Messages.AssertEqual(
  573. OnError<int>(210, ex)
  574. );
  575. }
  576. }
  577. [Fact]
  578. public void And12()
  579. {
  580. var scheduler = new TestScheduler();
  581. const int N = 12;
  582. var obs = new List<IObservable<int>>();
  583. for (int i = 0; i < N; i++)
  584. {
  585. obs.Add(scheduler.CreateHotObservable(
  586. OnNext(210, 1),
  587. OnCompleted<int>(220)
  588. ));
  589. }
  590. var res = scheduler.Start(() =>
  591. 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))
  592. );
  593. res.Messages.AssertEqual(
  594. OnNext(210, N),
  595. OnCompleted<int>(220)
  596. );
  597. }
  598. [Fact]
  599. public void And12Error()
  600. {
  601. var ex = new Exception();
  602. const int N = 12;
  603. for (int i = 0; i < N; i++)
  604. {
  605. var scheduler = new TestScheduler();
  606. var obs = new List<IObservable<int>>();
  607. for (int j = 0; j < N; j++)
  608. {
  609. if (j == i)
  610. {
  611. obs.Add(scheduler.CreateHotObservable(
  612. OnError<int>(210, ex)
  613. ));
  614. }
  615. else
  616. {
  617. obs.Add(scheduler.CreateHotObservable(
  618. OnNext(210, 1),
  619. OnCompleted<int>(220)
  620. ));
  621. }
  622. }
  623. var res = scheduler.Start(() =>
  624. 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))
  625. );
  626. res.Messages.AssertEqual(
  627. OnError<int>(210, ex)
  628. );
  629. }
  630. }
  631. [Fact]
  632. public void And13()
  633. {
  634. var scheduler = new TestScheduler();
  635. const int N = 13;
  636. var obs = new List<IObservable<int>>();
  637. for (int i = 0; i < N; i++)
  638. {
  639. obs.Add(scheduler.CreateHotObservable(
  640. OnNext(210, 1),
  641. OnCompleted<int>(220)
  642. ));
  643. }
  644. var res = scheduler.Start(() =>
  645. 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))
  646. );
  647. res.Messages.AssertEqual(
  648. OnNext(210, N),
  649. OnCompleted<int>(220)
  650. );
  651. }
  652. [Fact]
  653. public void And13Error()
  654. {
  655. var ex = new Exception();
  656. const int N = 13;
  657. for (int i = 0; i < N; i++)
  658. {
  659. var scheduler = new TestScheduler();
  660. var obs = new List<IObservable<int>>();
  661. for (int j = 0; j < N; j++)
  662. {
  663. if (j == i)
  664. {
  665. obs.Add(scheduler.CreateHotObservable(
  666. OnError<int>(210, ex)
  667. ));
  668. }
  669. else
  670. {
  671. obs.Add(scheduler.CreateHotObservable(
  672. OnNext(210, 1),
  673. OnCompleted<int>(220)
  674. ));
  675. }
  676. }
  677. var res = scheduler.Start(() =>
  678. 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))
  679. );
  680. res.Messages.AssertEqual(
  681. OnError<int>(210, ex)
  682. );
  683. }
  684. }
  685. [Fact]
  686. public void And14()
  687. {
  688. var scheduler = new TestScheduler();
  689. const int N = 14;
  690. var obs = new List<IObservable<int>>();
  691. for (int i = 0; i < N; i++)
  692. {
  693. obs.Add(scheduler.CreateHotObservable(
  694. OnNext(210, 1),
  695. OnCompleted<int>(220)
  696. ));
  697. }
  698. var res = scheduler.Start(() =>
  699. 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))
  700. );
  701. res.Messages.AssertEqual(
  702. OnNext(210, N),
  703. OnCompleted<int>(220)
  704. );
  705. }
  706. [Fact]
  707. public void And14Error()
  708. {
  709. var ex = new Exception();
  710. const int N = 14;
  711. for (int i = 0; i < N; i++)
  712. {
  713. var scheduler = new TestScheduler();
  714. var obs = new List<IObservable<int>>();
  715. for (int j = 0; j < N; j++)
  716. {
  717. if (j == i)
  718. {
  719. obs.Add(scheduler.CreateHotObservable(
  720. OnError<int>(210, ex)
  721. ));
  722. }
  723. else
  724. {
  725. obs.Add(scheduler.CreateHotObservable(
  726. OnNext(210, 1),
  727. OnCompleted<int>(220)
  728. ));
  729. }
  730. }
  731. var res = scheduler.Start(() =>
  732. 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))
  733. );
  734. res.Messages.AssertEqual(
  735. OnError<int>(210, ex)
  736. );
  737. }
  738. }
  739. [Fact]
  740. public void And15()
  741. {
  742. var scheduler = new TestScheduler();
  743. const int N = 15;
  744. var obs = new List<IObservable<int>>();
  745. for (int i = 0; i < N; i++)
  746. {
  747. obs.Add(scheduler.CreateHotObservable(
  748. OnNext(210, 1),
  749. OnCompleted<int>(220)
  750. ));
  751. }
  752. var res = scheduler.Start(() =>
  753. 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))
  754. );
  755. res.Messages.AssertEqual(
  756. OnNext(210, N),
  757. OnCompleted<int>(220)
  758. );
  759. }
  760. [Fact]
  761. public void And15Error()
  762. {
  763. var ex = new Exception();
  764. const int N = 15;
  765. for (int i = 0; i < N; i++)
  766. {
  767. var scheduler = new TestScheduler();
  768. var obs = new List<IObservable<int>>();
  769. for (int j = 0; j < N; j++)
  770. {
  771. if (j == i)
  772. {
  773. obs.Add(scheduler.CreateHotObservable(
  774. OnError<int>(210, ex)
  775. ));
  776. }
  777. else
  778. {
  779. obs.Add(scheduler.CreateHotObservable(
  780. OnNext(210, 1),
  781. OnCompleted<int>(220)
  782. ));
  783. }
  784. }
  785. var res = scheduler.Start(() =>
  786. 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))
  787. );
  788. res.Messages.AssertEqual(
  789. OnError<int>(210, ex)
  790. );
  791. }
  792. }
  793. [Fact]
  794. public void And16()
  795. {
  796. var scheduler = new TestScheduler();
  797. const int N = 16;
  798. var obs = new List<IObservable<int>>();
  799. for (int i = 0; i < N; i++)
  800. {
  801. obs.Add(scheduler.CreateHotObservable(
  802. OnNext(210, 1),
  803. OnCompleted<int>(220)
  804. ));
  805. }
  806. var res = scheduler.Start(() =>
  807. 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))
  808. );
  809. res.Messages.AssertEqual(
  810. OnNext(210, N),
  811. OnCompleted<int>(220)
  812. );
  813. }
  814. [Fact]
  815. public void And16Error()
  816. {
  817. var ex = new Exception();
  818. const int N = 16;
  819. for (int i = 0; i < N; i++)
  820. {
  821. var scheduler = new TestScheduler();
  822. var obs = new List<IObservable<int>>();
  823. for (int j = 0; j < N; j++)
  824. {
  825. if (j == i)
  826. {
  827. obs.Add(scheduler.CreateHotObservable(
  828. OnError<int>(210, ex)
  829. ));
  830. }
  831. else
  832. {
  833. obs.Add(scheduler.CreateHotObservable(
  834. OnNext(210, 1),
  835. OnCompleted<int>(220)
  836. ));
  837. }
  838. }
  839. var res = scheduler.Start(() =>
  840. 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))
  841. );
  842. res.Messages.AssertEqual(
  843. OnError<int>(210, ex)
  844. );
  845. }
  846. }
  847. #endif
  848. #endregion
  849. #region Then
  850. [Fact]
  851. public void Then_ArgumentChecking()
  852. {
  853. var someObservable = Observable.Return(1);
  854. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Then<int, int>(null, _ => _));
  855. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.Then<int, int>(someObservable, null));
  856. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).Then<int>(null));
  857. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).Then<int>(null));
  858. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, someObservable).And(someObservable).And(someObservable).Then<int>(null));
  859. #if !NO_LARGEARITY
  860. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, 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).Then<int>(null));
  862. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.And<int, int>(someObservable, 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).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).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).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).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).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).Then<int>(null));
  869. 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));
  870. 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));
  871. 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));
  872. #endif
  873. }
  874. [Fact]
  875. public void Then1()
  876. {
  877. var scheduler = new TestScheduler();
  878. var xs = scheduler.CreateHotObservable(
  879. OnNext(210, 1),
  880. OnCompleted<int>(220)
  881. );
  882. var res = scheduler.Start(() =>
  883. Observable.When(xs.Then(a => a))
  884. );
  885. res.Messages.AssertEqual(
  886. OnNext(210, 1),
  887. OnCompleted<int>(220)
  888. );
  889. }
  890. [Fact]
  891. public void Then1Error()
  892. {
  893. var ex = new Exception();
  894. var scheduler = new TestScheduler();
  895. var xs = scheduler.CreateHotObservable(
  896. OnError<int>(210, ex)
  897. );
  898. var res = scheduler.Start(() =>
  899. Observable.When(xs.Then(a => a))
  900. );
  901. res.Messages.AssertEqual(
  902. OnError<int>(210, ex)
  903. );
  904. }
  905. [Fact]
  906. public void Then1Throws()
  907. {
  908. var ex = new Exception();
  909. var scheduler = new TestScheduler();
  910. var xs = scheduler.CreateHotObservable(
  911. OnNext(210, 1),
  912. OnCompleted<int>(220)
  913. );
  914. var res = scheduler.Start(() =>
  915. Observable.When(xs.Then<int, int>(a => { throw ex; }))
  916. );
  917. res.Messages.AssertEqual(
  918. OnError<int>(210, ex)
  919. );
  920. }
  921. [Fact]
  922. public void Then2Throws()
  923. {
  924. var scheduler = new TestScheduler();
  925. var ex = new Exception();
  926. const int N = 2;
  927. var obs = new List<IObservable<int>>();
  928. for (int i = 0; i < N; i++)
  929. {
  930. obs.Add(scheduler.CreateHotObservable(
  931. OnNext(210, 1),
  932. OnCompleted<int>(220)
  933. ));
  934. }
  935. var res = scheduler.Start(() =>
  936. Observable.When(obs[0].And(obs[1]).Then<int>((a, b) => { throw ex; }))
  937. );
  938. res.Messages.AssertEqual(
  939. OnError<int>(210, ex)
  940. );
  941. }
  942. [Fact]
  943. public void Then3Throws()
  944. {
  945. var scheduler = new TestScheduler();
  946. var ex = new Exception();
  947. const int N = 3;
  948. var obs = new List<IObservable<int>>();
  949. for (int i = 0; i < N; i++)
  950. {
  951. obs.Add(scheduler.CreateHotObservable(
  952. OnNext(210, 1),
  953. OnCompleted<int>(220)
  954. ));
  955. }
  956. var res = scheduler.Start(() =>
  957. Observable.When(obs[0].And(obs[1]).And(obs[2]).Then<int>((a, b, c) => { throw ex; }))
  958. );
  959. res.Messages.AssertEqual(
  960. OnError<int>(210, ex)
  961. );
  962. }
  963. [Fact]
  964. public void Then4Throws()
  965. {
  966. var scheduler = new TestScheduler();
  967. var ex = new Exception();
  968. const int N = 4;
  969. var obs = new List<IObservable<int>>();
  970. for (int i = 0; i < N; i++)
  971. {
  972. obs.Add(scheduler.CreateHotObservable(
  973. OnNext(210, 1),
  974. OnCompleted<int>(220)
  975. ));
  976. }
  977. var res = scheduler.Start(() =>
  978. Observable.When(obs[0].And(obs[1]).And(obs[2]).And(obs[3]).Then<int>((a, b, c, d) => { throw ex; }))
  979. );
  980. res.Messages.AssertEqual(
  981. OnError<int>(210, ex)
  982. );
  983. }
  984. #if !NO_LARGEARITY
  985. [Fact]
  986. public void Then5Throws()
  987. {
  988. var scheduler = new TestScheduler();
  989. var ex = new Exception();
  990. const int N = 5;
  991. var obs = new List<IObservable<int>>();
  992. for (int i = 0; i < N; i++)
  993. {
  994. obs.Add(scheduler.CreateHotObservable(
  995. OnNext(210, 1),
  996. OnCompleted<int>(220)
  997. ));
  998. }
  999. var res = scheduler.Start(() =>
  1000. 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; }))
  1001. );
  1002. res.Messages.AssertEqual(
  1003. OnError<int>(210, ex)
  1004. );
  1005. }
  1006. [Fact]
  1007. public void Then6Throws()
  1008. {
  1009. var scheduler = new TestScheduler();
  1010. var ex = new Exception();
  1011. const int N = 6;
  1012. var obs = new List<IObservable<int>>();
  1013. for (int i = 0; i < N; i++)
  1014. {
  1015. obs.Add(scheduler.CreateHotObservable(
  1016. OnNext(210, 1),
  1017. OnCompleted<int>(220)
  1018. ));
  1019. }
  1020. var res = scheduler.Start(() =>
  1021. 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; }))
  1022. );
  1023. res.Messages.AssertEqual(
  1024. OnError<int>(210, ex)
  1025. );
  1026. }
  1027. [Fact]
  1028. public void Then7Throws()
  1029. {
  1030. var scheduler = new TestScheduler();
  1031. var ex = new Exception();
  1032. const int N = 7;
  1033. var obs = new List<IObservable<int>>();
  1034. for (int i = 0; i < N; i++)
  1035. {
  1036. obs.Add(scheduler.CreateHotObservable(
  1037. OnNext(210, 1),
  1038. OnCompleted<int>(220)
  1039. ));
  1040. }
  1041. var res = scheduler.Start(() =>
  1042. 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; }))
  1043. );
  1044. res.Messages.AssertEqual(
  1045. OnError<int>(210, ex)
  1046. );
  1047. }
  1048. [Fact]
  1049. public void Then8Throws()
  1050. {
  1051. var scheduler = new TestScheduler();
  1052. var ex = new Exception();
  1053. const int N = 8;
  1054. var obs = new List<IObservable<int>>();
  1055. for (int i = 0; i < N; i++)
  1056. {
  1057. obs.Add(scheduler.CreateHotObservable(
  1058. OnNext(210, 1),
  1059. OnCompleted<int>(220)
  1060. ));
  1061. }
  1062. var res = scheduler.Start(() =>
  1063. 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; }))
  1064. );
  1065. res.Messages.AssertEqual(
  1066. OnError<int>(210, ex)
  1067. );
  1068. }
  1069. [Fact]
  1070. public void Then9Throws()
  1071. {
  1072. var scheduler = new TestScheduler();
  1073. var ex = new Exception();
  1074. const int N = 9;
  1075. var obs = new List<IObservable<int>>();
  1076. for (int i = 0; i < N; i++)
  1077. {
  1078. obs.Add(scheduler.CreateHotObservable(
  1079. OnNext(210, 1),
  1080. OnCompleted<int>(220)
  1081. ));
  1082. }
  1083. var res = scheduler.Start(() =>
  1084. 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; }))
  1085. );
  1086. res.Messages.AssertEqual(
  1087. OnError<int>(210, ex)
  1088. );
  1089. }
  1090. [Fact]
  1091. public void Then10Throws()
  1092. {
  1093. var scheduler = new TestScheduler();
  1094. var ex = new Exception();
  1095. const int N = 10;
  1096. var obs = new List<IObservable<int>>();
  1097. for (int i = 0; i < N; i++)
  1098. {
  1099. obs.Add(scheduler.CreateHotObservable(
  1100. OnNext(210, 1),
  1101. OnCompleted<int>(220)
  1102. ));
  1103. }
  1104. var res = scheduler.Start(() =>
  1105. 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; }))
  1106. );
  1107. res.Messages.AssertEqual(
  1108. OnError<int>(210, ex)
  1109. );
  1110. }
  1111. [Fact]
  1112. public void Then11Throws()
  1113. {
  1114. var scheduler = new TestScheduler();
  1115. var ex = new Exception();
  1116. const int N = 11;
  1117. var obs = new List<IObservable<int>>();
  1118. for (int i = 0; i < N; i++)
  1119. {
  1120. obs.Add(scheduler.CreateHotObservable(
  1121. OnNext(210, 1),
  1122. OnCompleted<int>(220)
  1123. ));
  1124. }
  1125. var res = scheduler.Start(() =>
  1126. 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; }))
  1127. );
  1128. res.Messages.AssertEqual(
  1129. OnError<int>(210, ex)
  1130. );
  1131. }
  1132. [Fact]
  1133. public void Then12Throws()
  1134. {
  1135. var scheduler = new TestScheduler();
  1136. var ex = new Exception();
  1137. const int N = 12;
  1138. var obs = new List<IObservable<int>>();
  1139. for (int i = 0; i < N; i++)
  1140. {
  1141. obs.Add(scheduler.CreateHotObservable(
  1142. OnNext(210, 1),
  1143. OnCompleted<int>(220)
  1144. ));
  1145. }
  1146. var res = scheduler.Start(() =>
  1147. 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; }))
  1148. );
  1149. res.Messages.AssertEqual(
  1150. OnError<int>(210, ex)
  1151. );
  1152. }
  1153. [Fact]
  1154. public void Then13Throws()
  1155. {
  1156. var scheduler = new TestScheduler();
  1157. var ex = new Exception();
  1158. const int N = 13;
  1159. var obs = new List<IObservable<int>>();
  1160. for (int i = 0; i < N; i++)
  1161. {
  1162. obs.Add(scheduler.CreateHotObservable(
  1163. OnNext(210, 1),
  1164. OnCompleted<int>(220)
  1165. ));
  1166. }
  1167. var res = scheduler.Start(() =>
  1168. 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; }))
  1169. );
  1170. res.Messages.AssertEqual(
  1171. OnError<int>(210, ex)
  1172. );
  1173. }
  1174. [Fact]
  1175. public void Then14Throws()
  1176. {
  1177. var scheduler = new TestScheduler();
  1178. var ex = new Exception();
  1179. const int N = 14;
  1180. var obs = new List<IObservable<int>>();
  1181. for (int i = 0; i < N; i++)
  1182. {
  1183. obs.Add(scheduler.CreateHotObservable(
  1184. OnNext(210, 1),
  1185. OnCompleted<int>(220)
  1186. ));
  1187. }
  1188. var res = scheduler.Start(() =>
  1189. 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; }))
  1190. );
  1191. res.Messages.AssertEqual(
  1192. OnError<int>(210, ex)
  1193. );
  1194. }
  1195. [Fact]
  1196. public void Then15Throws()
  1197. {
  1198. var scheduler = new TestScheduler();
  1199. var ex = new Exception();
  1200. const int N = 15;
  1201. var obs = new List<IObservable<int>>();
  1202. for (int i = 0; i < N; i++)
  1203. {
  1204. obs.Add(scheduler.CreateHotObservable(
  1205. OnNext(210, 1),
  1206. OnCompleted<int>(220)
  1207. ));
  1208. }
  1209. var res = scheduler.Start(() =>
  1210. 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; }))
  1211. );
  1212. res.Messages.AssertEqual(
  1213. OnError<int>(210, ex)
  1214. );
  1215. }
  1216. [Fact]
  1217. public void Then16Throws()
  1218. {
  1219. var scheduler = new TestScheduler();
  1220. var ex = new Exception();
  1221. const int N = 16;
  1222. var obs = new List<IObservable<int>>();
  1223. for (int i = 0; i < N; i++)
  1224. {
  1225. obs.Add(scheduler.CreateHotObservable(
  1226. OnNext(210, 1),
  1227. OnCompleted<int>(220)
  1228. ));
  1229. }
  1230. var res = scheduler.Start(() =>
  1231. 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; }))
  1232. );
  1233. res.Messages.AssertEqual(
  1234. OnError<int>(210, ex)
  1235. );
  1236. }
  1237. #endif
  1238. #endregion
  1239. #region When
  1240. [Fact]
  1241. public void When_ArgumentChecking()
  1242. {
  1243. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.When<int>((Plan<int>[])null));
  1244. ReactiveAssert.Throws<ArgumentNullException>(() => Observable.When<int>((IEnumerable<Plan<int>>)null));
  1245. }
  1246. [Fact]
  1247. public void WhenMultipleDataSymmetric()
  1248. {
  1249. var scheduler = new TestScheduler();
  1250. var xs = scheduler.CreateHotObservable(
  1251. OnNext(210, 1),
  1252. OnNext(220, 2),
  1253. OnNext(230, 3),
  1254. OnCompleted<int>(240)
  1255. );
  1256. var ys = scheduler.CreateHotObservable(
  1257. OnNext(240, 4),
  1258. OnNext(250, 5),
  1259. OnNext(260, 6),
  1260. OnCompleted<int>(270)
  1261. );
  1262. var res = scheduler.Start(() =>
  1263. Observable.When(
  1264. xs.And(ys).Then((x, y) => x + y)
  1265. )
  1266. );
  1267. res.Messages.AssertEqual(
  1268. OnNext(240, 1 + 4),
  1269. OnNext(250, 2 + 5),
  1270. OnNext(260, 3 + 6),
  1271. OnCompleted<int>(270)
  1272. );
  1273. }
  1274. [Fact]
  1275. public void WhenMultipleDataAsymmetric()
  1276. {
  1277. var scheduler = new TestScheduler();
  1278. var xs = scheduler.CreateHotObservable(
  1279. OnNext(210, 1),
  1280. OnNext(220, 2),
  1281. OnNext(230, 3),
  1282. OnCompleted<int>(240)
  1283. );
  1284. var ys = scheduler.CreateHotObservable(
  1285. OnNext(240, 4),
  1286. OnNext(250, 5),
  1287. OnCompleted<int>(270)
  1288. );
  1289. var res = scheduler.Start(() =>
  1290. Observable.When(
  1291. xs.And(ys).Then((x, y) => x + y)
  1292. )
  1293. );
  1294. res.Messages.AssertEqual(
  1295. OnNext(240, 1 + 4),
  1296. OnNext(250, 2 + 5),
  1297. OnCompleted<int>(270)
  1298. );
  1299. }
  1300. [Fact]
  1301. public void WhenEmptyEmpty()
  1302. {
  1303. var scheduler = new TestScheduler();
  1304. var xs = scheduler.CreateHotObservable(
  1305. OnCompleted<int>(240)
  1306. );
  1307. var ys = scheduler.CreateHotObservable(
  1308. OnCompleted<int>(270)
  1309. );
  1310. var res = scheduler.Start(() =>
  1311. Observable.When(
  1312. xs.And(ys).Then((x, y) => x + y)
  1313. )
  1314. );
  1315. res.Messages.AssertEqual(
  1316. OnCompleted<int>(270)
  1317. );
  1318. }
  1319. [Fact]
  1320. public void WhenNeverNever()
  1321. {
  1322. var scheduler = new TestScheduler();
  1323. var xs = Observable.Never<int>();
  1324. var ys = Observable.Never<int>();
  1325. var res = scheduler.Start(() =>
  1326. Observable.When(
  1327. xs.And(ys).Then((x, y) => x + y)
  1328. )
  1329. );
  1330. res.Messages.AssertEqual(
  1331. );
  1332. }
  1333. [Fact]
  1334. public void WhenThrowNonEmpty()
  1335. {
  1336. var ex = new Exception();
  1337. var scheduler = new TestScheduler();
  1338. var xs = scheduler.CreateHotObservable(
  1339. OnError<int>(240, ex)
  1340. );
  1341. var ys = scheduler.CreateHotObservable(
  1342. OnCompleted<int>(270)
  1343. );
  1344. var res = scheduler.Start(() =>
  1345. Observable.When(
  1346. xs.And(ys).Then((x, y) => x + y)
  1347. )
  1348. );
  1349. res.Messages.AssertEqual(
  1350. OnError<int>(240, ex)
  1351. );
  1352. }
  1353. [Fact]
  1354. public void ComplicatedWhen()
  1355. {
  1356. var scheduler = new TestScheduler();
  1357. var xs = scheduler.CreateHotObservable(
  1358. OnNext(210, 1),
  1359. OnNext(220, 2),
  1360. OnNext(230, 3),
  1361. OnCompleted<int>(240)
  1362. );
  1363. var ys = scheduler.CreateHotObservable(
  1364. OnNext(240, 4),
  1365. OnNext(250, 5),
  1366. OnNext(260, 6),
  1367. OnCompleted<int>(270)
  1368. );
  1369. var zs = scheduler.CreateHotObservable(
  1370. OnNext(220, 7),
  1371. OnNext(230, 8),
  1372. OnNext(240, 9),
  1373. OnCompleted<int>(300)
  1374. );
  1375. var res = scheduler.Start(() =>
  1376. Observable.When(
  1377. xs.And(ys).Then((x, y) => x + y),
  1378. xs.And(zs).Then((x, z) => x * z),
  1379. ys.And(zs).Then((y, z) => y - z)
  1380. )
  1381. );
  1382. res.Messages.AssertEqual(
  1383. OnNext(220, 1 * 7),
  1384. OnNext(230, 2 * 8),
  1385. OnNext(240, 3 + 4),
  1386. OnNext(250, 5 - 9),
  1387. OnCompleted<int>(300)
  1388. );
  1389. }
  1390. [Fact]
  1391. public void When_PlansIteratorThrows()
  1392. {
  1393. var ex = new Exception();
  1394. var _e = default(Exception);
  1395. GetPlans(ex).When().Subscribe(_ => { }, e => { _e = e; });
  1396. Assert.Same(_e, ex);
  1397. }
  1398. private IEnumerable<Plan<int>> GetPlans(Exception ex)
  1399. {
  1400. if (ex != null)
  1401. throw ex;
  1402. yield break;
  1403. }
  1404. #endregion
  1405. }
  1406. }