Roman Elizarov | 769d7dc | 2018-04-26 12:13:40 +0300 | [diff] [blame] | 1 | /* |
Roman Elizarov | 1f74a2d | 2018-06-29 19:19:45 +0300 | [diff] [blame^] | 2 | * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license. |
Roman Elizarov | 769d7dc | 2018-04-26 12:13:40 +0300 | [diff] [blame] | 3 | */ |
| 4 | |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 5 | package kotlinx.coroutines.experimental |
| 6 | |
| 7 | import kotlin.coroutines.experimental.coroutineContext |
Roman Elizarov | 189e995 | 2018-04-26 11:06:37 +0300 | [diff] [blame] | 8 | import kotlin.test.* |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 9 | |
| 10 | class AwaitTest : TestBase() { |
| 11 | |
| 12 | @Test |
| 13 | fun testAwaitAll() = runTest { |
| 14 | expect(1) |
| 15 | val d = async(coroutineContext) { |
| 16 | expect(3) |
| 17 | "OK" |
| 18 | } |
| 19 | |
| 20 | val d2 = async(coroutineContext) { |
| 21 | yield() |
| 22 | expect(4) |
| 23 | 1L |
| 24 | } |
| 25 | |
| 26 | expect(2) |
| 27 | require(d2.isActive && !d2.isCompleted) |
| 28 | |
Roman Elizarov | 189e995 | 2018-04-26 11:06:37 +0300 | [diff] [blame] | 29 | assertEquals(listOf("OK", 1L), awaitAll(d, d2)) |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 30 | expect(5) |
| 31 | |
| 32 | require(d.isCompleted && d2.isCompleted) |
| 33 | require(!d.isCancelled && !d2.isCancelled) |
| 34 | finish(6) |
| 35 | } |
| 36 | |
| 37 | @Test |
Vsevolod Tolstopyatov | f0ef14e | 2018-04-11 19:44:08 +0300 | [diff] [blame] | 38 | fun testAwaitAllLazy() = runTest { |
| 39 | expect(1) |
Roman Elizarov | 769d7dc | 2018-04-26 12:13:40 +0300 | [diff] [blame] | 40 | val d = async( |
| 41 | coroutineContext, |
| 42 | start = CoroutineStart.LAZY |
| 43 | ) { expect(2); 1 } |
| 44 | val d2 = async( |
| 45 | coroutineContext, |
| 46 | start = CoroutineStart.LAZY |
| 47 | ) { expect(3); 2 } |
Roman Elizarov | 189e995 | 2018-04-26 11:06:37 +0300 | [diff] [blame] | 48 | assertEquals(listOf(1, 2), awaitAll(d, d2)) |
Vsevolod Tolstopyatov | f0ef14e | 2018-04-11 19:44:08 +0300 | [diff] [blame] | 49 | finish(4) |
| 50 | } |
| 51 | |
| 52 | @Test |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 53 | fun testAwaitAllTyped() = runTest { |
| 54 | val d1 = async(coroutineContext) { 1L } |
| 55 | val d2 = async(coroutineContext) { "" } |
Roman Elizarov | 769d7dc | 2018-04-26 12:13:40 +0300 | [diff] [blame] | 56 | val d3 = async(coroutineContext) { } |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 57 | |
Roman Elizarov | 189e995 | 2018-04-26 11:06:37 +0300 | [diff] [blame] | 58 | assertEquals(listOf(1L, ""), listOf(d1, d2).awaitAll()) |
| 59 | assertEquals(listOf(1L, Unit), listOf(d1, d3).awaitAll()) |
| 60 | assertEquals(listOf("", Unit), listOf(d2, d3).awaitAll()) |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 61 | } |
| 62 | |
Vsevolod Tolstopyatov | cd00643 | 2018-04-26 16:03:40 +0300 | [diff] [blame] | 63 | @Test |
| 64 | fun testAwaitAllExceptionally() = runTest { |
| 65 | expect(1) |
| 66 | val d = async(coroutineContext) { |
| 67 | expect(3) |
| 68 | "OK" |
| 69 | } |
| 70 | |
| 71 | val d2 = async(coroutineContext) { |
| 72 | yield() |
| 73 | throw TestException() |
| 74 | } |
| 75 | |
| 76 | val d3 = async(coroutineContext) { |
| 77 | expect(4) |
| 78 | delay(Long.MAX_VALUE) |
| 79 | 1 |
| 80 | } |
| 81 | |
| 82 | expect(2) |
| 83 | try { |
| 84 | awaitAll(d, d2, d3) |
| 85 | } catch (e: TestException) { |
| 86 | expect(5) |
| 87 | } |
| 88 | |
| 89 | yield() |
| 90 | require(d.isCompleted && d2.isCompletedExceptionally && d3.isActive) |
| 91 | d3.cancel() |
| 92 | finish(6) |
| 93 | } |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 94 | |
| 95 | @Test |
| 96 | fun testAwaitAllMultipleExceptions() = runTest { |
| 97 | val d = async(coroutineContext) { |
| 98 | expect(2) |
| 99 | throw TestException() |
| 100 | } |
| 101 | |
| 102 | val d2 = async(coroutineContext) { |
| 103 | yield() |
| 104 | throw TestException() |
| 105 | } |
| 106 | |
| 107 | val d3 = async(coroutineContext) { |
| 108 | yield() |
| 109 | } |
| 110 | |
| 111 | expect(1) |
| 112 | try { |
| 113 | awaitAll(d, d2, d3) |
| 114 | } catch (e: TestException) { |
| 115 | expect(3) |
| 116 | } |
| 117 | |
| 118 | finish(4) |
| 119 | } |
| 120 | |
Vsevolod Tolstopyatov | cd00643 | 2018-04-26 16:03:40 +0300 | [diff] [blame] | 121 | @Test |
| 122 | fun testAwaitAllCancellation() = runTest { |
| 123 | val outer = async(coroutineContext) { |
| 124 | |
| 125 | expect(1) |
| 126 | val inner = async(coroutineContext) { |
| 127 | expect(4) |
| 128 | delay(Long.MAX_VALUE) |
| 129 | } |
| 130 | |
| 131 | expect(2) |
| 132 | awaitAll(inner) |
| 133 | expectUnreached() |
| 134 | } |
| 135 | |
| 136 | yield() |
| 137 | expect(3) |
| 138 | yield() |
| 139 | require(outer.isActive) |
| 140 | outer.cancel() |
| 141 | require(outer.isCancelled) |
| 142 | finish(5) |
| 143 | } |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 144 | |
| 145 | @Test |
| 146 | fun testAwaitAllPartiallyCompleted() = runTest { |
Roman Elizarov | 189e995 | 2018-04-26 11:06:37 +0300 | [diff] [blame] | 147 | val d1 = async(coroutineContext) { expect(1); 1 } |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 148 | d1.await() |
Roman Elizarov | 189e995 | 2018-04-26 11:06:37 +0300 | [diff] [blame] | 149 | val d2 = async(coroutineContext) { expect(3); 2 } |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 150 | expect(2) |
Roman Elizarov | 189e995 | 2018-04-26 11:06:37 +0300 | [diff] [blame] | 151 | assertEquals(listOf(1, 2), awaitAll(d1, d2)) |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 152 | require(d1.isCompleted && d2.isCompleted) |
| 153 | finish(4) |
| 154 | } |
| 155 | |
| 156 | @Test |
| 157 | fun testAwaitAllPartiallyCompletedExceptionally() = runTest { |
| 158 | val d1 = async(coroutineContext) { |
| 159 | expect(1) |
| 160 | throw TestException() |
| 161 | } |
| 162 | |
| 163 | yield() |
| 164 | |
| 165 | // This job is called after exception propagation |
| 166 | val d2 = async(coroutineContext) { expect(4) } |
| 167 | |
| 168 | expect(2) |
| 169 | try { |
| 170 | awaitAll(d1, d2) |
| 171 | expectUnreached() |
| 172 | } catch (e: TestException) { |
| 173 | expect(3) |
| 174 | } |
| 175 | |
| 176 | require(d2.isActive) |
| 177 | d2.await() |
| 178 | require(d1.isCompleted && d2.isCompleted) |
| 179 | finish(5) |
| 180 | } |
| 181 | |
| 182 | @Test |
| 183 | fun testAwaitAllFullyCompleted() = runTest { |
| 184 | val d1 = CompletableDeferred(Unit) |
| 185 | val d2 = CompletableDeferred(Unit) |
| 186 | val job = async(coroutineContext) { expect(3) } |
| 187 | expect(1) |
| 188 | awaitAll(d1, d2) |
| 189 | expect(2) |
| 190 | job.await() |
| 191 | finish(4) |
| 192 | } |
| 193 | |
| 194 | @Test |
| 195 | fun testAwaitOnSet() = runTest { |
| 196 | val d1 = CompletableDeferred(Unit) |
| 197 | val d2 = CompletableDeferred(Unit) |
| 198 | val job = async(coroutineContext) { expect(2) } |
| 199 | expect(1) |
| 200 | listOf(d1, d2, job).awaitAll() |
| 201 | finish(3) |
| 202 | } |
| 203 | |
| 204 | @Test |
| 205 | fun testAwaitAllFullyCompletedExceptionally() = runTest { |
Roman Elizarov | 769d7dc | 2018-04-26 12:13:40 +0300 | [diff] [blame] | 206 | val d1 = CompletableDeferred<Unit>(parent = null) |
| 207 | .apply { completeExceptionally(TestException()) } |
| 208 | val d2 = CompletableDeferred<Unit>(parent = null) |
| 209 | .apply { completeExceptionally(TestException()) } |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 210 | val job = async(coroutineContext) { expect(3) } |
| 211 | expect(1) |
| 212 | try { |
| 213 | awaitAll(d1, d2) |
| 214 | } catch (e: TestException) { |
| 215 | expect(2) |
| 216 | } |
| 217 | |
| 218 | job.await() |
| 219 | finish(4) |
| 220 | } |
| 221 | |
| 222 | @Test |
| 223 | fun testAwaitAllSameJobMultipleTimes() = runTest { |
Roman Elizarov | 189e995 | 2018-04-26 11:06:37 +0300 | [diff] [blame] | 224 | val d = async(coroutineContext) { "OK" } |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 225 | // Duplicates are allowed though kdoc doesn't guarantee that |
Roman Elizarov | 189e995 | 2018-04-26 11:06:37 +0300 | [diff] [blame] | 226 | assertEquals(listOf("OK", "OK", "OK"), awaitAll(d, d, d)) |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | @Test |
| 230 | fun testAwaitAllSameThrowingJobMultipleTimes() = runTest { |
Roman Elizarov | 769d7dc | 2018-04-26 12:13:40 +0300 | [diff] [blame] | 231 | val d1 = |
| 232 | async(coroutineContext) { throw TestException() } |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 233 | val d2 = async(coroutineContext) { } // do nothing |
| 234 | |
| 235 | try { |
| 236 | expect(1) |
| 237 | // Duplicates are allowed though kdoc doesn't guarantee that |
| 238 | awaitAll(d1, d2, d1, d2) |
| 239 | expectUnreached() |
| 240 | } catch (e: TestException) { |
| 241 | finish(2) |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | @Test |
| 246 | fun testAwaitAllEmpty() = runTest { |
| 247 | expect(1) |
Roman Elizarov | 189e995 | 2018-04-26 11:06:37 +0300 | [diff] [blame] | 248 | assertEquals(emptyList(), awaitAll<Unit>()) |
| 249 | assertEquals(emptyList(), emptyList<Deferred<Unit>>().awaitAll()) |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 250 | finish(2) |
| 251 | } |
| 252 | |
| 253 | // joinAll |
| 254 | |
| 255 | @Test |
| 256 | fun testJoinAll() = runTest { |
| 257 | val d1 = launch(coroutineContext) { expect(2) } |
| 258 | val d2 = async(coroutineContext) { |
| 259 | expect(3) |
| 260 | "OK" |
| 261 | } |
| 262 | val d3 = launch(coroutineContext) { expect(4) } |
| 263 | |
| 264 | expect(1) |
| 265 | joinAll(d1, d2, d3) |
| 266 | finish(5) |
| 267 | } |
| 268 | |
| 269 | @Test |
Vsevolod Tolstopyatov | f0ef14e | 2018-04-11 19:44:08 +0300 | [diff] [blame] | 270 | fun testJoinAllLazy() = runTest { |
| 271 | expect(1) |
Roman Elizarov | 769d7dc | 2018-04-26 12:13:40 +0300 | [diff] [blame] | 272 | val d = async( |
| 273 | coroutineContext, |
| 274 | start = CoroutineStart.LAZY |
| 275 | ) { expect(2) } |
| 276 | val d2 = launch( |
| 277 | coroutineContext, |
| 278 | start = CoroutineStart.LAZY |
| 279 | ) { expect(3) } |
Vsevolod Tolstopyatov | f0ef14e | 2018-04-11 19:44:08 +0300 | [diff] [blame] | 280 | joinAll(d, d2) |
| 281 | finish(4) |
| 282 | } |
| 283 | |
| 284 | @Test |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 285 | fun testJoinAllExceptionally() = runTest { |
| 286 | val d1 = launch(coroutineContext) { |
| 287 | expect(2) |
| 288 | } |
| 289 | val d2 = async(coroutineContext) { |
| 290 | expect(3) |
| 291 | throw TestException() |
| 292 | } |
| 293 | val d3 = async(coroutineContext) { |
| 294 | expect(4) |
| 295 | } |
| 296 | |
| 297 | expect(1) |
| 298 | joinAll(d1, d2, d3) |
| 299 | finish(5) |
| 300 | } |
| 301 | |
Vsevolod Tolstopyatov | cd00643 | 2018-04-26 16:03:40 +0300 | [diff] [blame] | 302 | @Test |
| 303 | fun testJoinAllCancellation() = runTest { |
| 304 | val outer = launch(coroutineContext) { |
| 305 | expect(2) |
| 306 | val inner = launch(coroutineContext) { |
| 307 | expect(3) |
| 308 | delay(Long.MAX_VALUE) |
| 309 | } |
| 310 | |
| 311 | joinAll(inner) |
| 312 | expectUnreached() |
| 313 | } |
| 314 | |
| 315 | expect(1) |
| 316 | yield() |
| 317 | require(outer.isActive) |
| 318 | yield() |
| 319 | outer.cancel() |
| 320 | outer.join() |
| 321 | finish(4) |
| 322 | } |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 323 | |
| 324 | @Test |
| 325 | fun testJoinAllAlreadyCompleted() = runTest { |
| 326 | val job = launch(coroutineContext) { |
| 327 | expect(1) |
| 328 | } |
| 329 | |
| 330 | job.join() |
| 331 | expect(2) |
| 332 | |
| 333 | joinAll(job) |
| 334 | finish(3) |
| 335 | } |
| 336 | |
| 337 | @Test |
| 338 | fun testJoinAllEmpty() = runTest { |
| 339 | expect(1) |
| 340 | joinAll() |
| 341 | listOf<Job>().joinAll() |
| 342 | finish(2) |
| 343 | } |
| 344 | |
| 345 | @Test |
| 346 | fun testJoinAllSameJob() = runTest { |
| 347 | val job = launch(coroutineContext) { } |
| 348 | joinAll(job, job, job) |
| 349 | } |
| 350 | |
| 351 | @Test |
| 352 | fun testJoinAllSameJobExceptionally() = runTest { |
Roman Elizarov | 769d7dc | 2018-04-26 12:13:40 +0300 | [diff] [blame] | 353 | val job = |
| 354 | async(coroutineContext) { throw TestException() } |
Vsevolod Tolstopyatov | 4f0d48b | 2018-04-11 13:51:33 +0300 | [diff] [blame] | 355 | joinAll(job, job, job) |
| 356 | } |
| 357 | |
| 358 | private class TestException : Exception() |
| 359 | } |