blob: 8a20e0843f015052a66eab67ba7632d6e823a7fc (
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
|
/*
* Copyright 2016-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.coroutines
import kotlinx.coroutines.channels.*
import org.junit.Test
import kotlin.test.*
class ReusableCancellableContinuationLeakStressTest : TestBase() {
@Suppress("UnnecessaryVariable")
private suspend fun <T : Any> ReceiveChannel<T>.receiveBatch(): T {
val r = receive() // DO NOT MERGE LINES, otherwise TCE will kick in
return r
}
private val iterations = 100_000 * stressTestMultiplier
class Leak(val i: Int)
@Test // Simplified version of #2564
fun testReusableContinuationLeak() = runTest {
val channel = produce(capacity = 1) { // from the main thread
(0 until iterations).forEach {
send(Leak(it))
}
}
launch(Dispatchers.Default) {
repeat (iterations) {
val value = channel.receiveBatch()
assertEquals(it, value.i)
}
(channel as Job).join()
FieldWalker.assertReachableCount(0, coroutineContext.job, false) { it is Leak }
}
}
}
|
