| /* |
| * Copyright 2016-2017 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package kotlinx.coroutines.experimental.channels |
| |
| import kotlinx.coroutines.experimental.* |
| import kotlin.coroutines.experimental.* |
| import kotlin.test.* |
| |
| class ProduceTest : TestBase() { |
| @Test |
| fun testBasic() = runTest { |
| val c = produce(coroutineContext) { |
| expect(2) |
| send(1) |
| expect(3) |
| send(2) |
| expect(6) |
| } |
| expect(1) |
| check(c.receive() == 1) |
| expect(4) |
| check(c.receive() == 2) |
| expect(5) |
| check(c.receiveOrNull() == null) |
| finish(7) |
| } |
| |
| @Test |
| fun testCancelWithoutCause() = runTest { |
| val c = produce(coroutineContext) { |
| expect(2) |
| send(1) |
| expect(3) |
| try { |
| send(2) // will get cancelled |
| } catch (e: Throwable) { |
| finish(7) |
| check(e is JobCancellationException && e.job == coroutineContext[Job]) |
| throw e |
| } |
| expectUnreached() |
| } |
| expect(1) |
| check(c.receive() == 1) |
| expect(4) |
| c.cancel() |
| expect(5) |
| assertNull(c.receiveOrNull()) |
| expect(6) |
| } |
| |
| @Test |
| fun testCancelWithCause() = runTest { |
| val c = produce(coroutineContext) { |
| expect(2) |
| send(1) |
| expect(3) |
| try { |
| send(2) // will get cancelled |
| } catch (e: Exception) { |
| finish(6) |
| check(e is JobCancellationException && e.job == coroutineContext[Job]) |
| check(e.cause is TestException) |
| throw e |
| } |
| expectUnreached() |
| } |
| |
| expect(1) |
| check(c.receive() == 1) |
| expect(4) |
| c.cancel(TestException()) |
| |
| try { |
| assertNull(c.receiveOrNull()) |
| expectUnreached() |
| } catch (e: TestException) { |
| expect(5) |
| } |
| } |
| |
| private class TestException : Exception() |
| } |