| /* |
| * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license. |
| */ |
| |
| @file:Suppress("DEPRECATION") |
| |
| package kotlinx.coroutines.channels |
| |
| import kotlinx.coroutines.* |
| import kotlin.coroutines.* |
| import kotlin.math.* |
| import kotlin.test.* |
| |
| class ChannelsTest: TestBase() { |
| private val testList = listOf(1, 2, 3) |
| |
| @Test |
| fun testIterableAsReceiveChannel() = runTest { |
| assertEquals(testList, testList.asReceiveChannel().toList()) |
| } |
| |
| @Test |
| fun testCloseWithMultipleWaiters() = runTest { |
| val channel = Channel<Int>() |
| launch { |
| try { |
| expect(2) |
| channel.receive() |
| expectUnreached() |
| } catch (e: ClosedReceiveChannelException) { |
| expect(5) |
| } |
| } |
| |
| launch { |
| try { |
| expect(3) |
| channel.receive() |
| expectUnreached() |
| } catch (e: ClosedReceiveChannelException) { |
| expect(6) |
| } |
| } |
| |
| expect(1) |
| yield() |
| expect(4) |
| channel.close() |
| yield() |
| finish(7) |
| } |
| |
| @Test |
| fun testEmptyList() = runTest { |
| assertTrue(emptyList<Nothing>().asReceiveChannel().toList().isEmpty()) |
| } |
| |
| @Test |
| fun testToList() = runTest { |
| assertEquals(testList, testList.asReceiveChannel().toList()) |
| |
| } |
| |
| private fun <E> Iterable<E>.asReceiveChannel(context: CoroutineContext = Dispatchers.Unconfined): ReceiveChannel<E> = |
| GlobalScope.produce(context) { |
| for (element in this@asReceiveChannel) |
| send(element) |
| } |
| } |