blob: a7299cc8d9ee7696aa0583e8ce8c9b1b34fb9227 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/*
* Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
@file:Suppress("NAMED_ARGUMENTS_NOT_ALLOWED") // KT-21913
package kotlinx.coroutines.flow
import kotlinx.coroutines.*
import kotlinx.coroutines.channels.*
import kotlin.test.*
// See https://github.com/Kotlin/kotlinx.coroutines/issues/1128
class IdFlowTest : TestBase() {
@Test
fun testCancelInCollect() = runTest(
expected = { it is CancellationException }
) {
expect(1)
flow {
expect(2)
emit(1)
expect(3)
hang { finish(6) }
}.idScoped().collect { value ->
expect(4)
assertEquals(1, value)
kotlin.coroutines.coroutineContext.cancel()
expect(5)
}
expectUnreached()
}
@Test
fun testCancelInFlow() = runTest(
expected = { it is CancellationException }
) {
expect(1)
flow {
expect(2)
emit(1)
kotlin.coroutines.coroutineContext.cancel()
expect(3)
}.idScoped().collect { value ->
finish(4)
assertEquals(1, value)
}
expectUnreached()
}
}
/**
* This flow should be "identity" function with respect to cancellation.
*/
private fun <T> Flow<T>.idScoped(): Flow<T> = flow {
coroutineScope {
val channel = produce {
collect { send(it) }
}
channel.consumeEach {
emit(it)
}
}
}
|
