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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.coroutines.exceptions
import kotlinx.coroutines.*
import kotlinx.coroutines.exceptions.*
import kotlinx.coroutines.selects.*
import java.io.*
import kotlin.coroutines.*
import kotlin.test.*
/*
* Set of counterparts to common tests which check suppressed exceptions
*/
class SuppresionTests : TestBase() {
@Test
fun testCancellationTransparency() = runTest {
val deferred = async(NonCancellable, start = CoroutineStart.ATOMIC) {
expect(2)
throw ArithmeticException()
}
expect(1)
deferred.cancel(IOException())
try {
deferred.await()
} catch (e: IOException) {
checkException<ArithmeticException>(e.suppressed[0])
finish(3)
}
}
@Test
fun testNotificationsWithException() = runTest {
expect(1)
val coroutineContext = kotlin.coroutines.coroutineContext // workaround for KT-22984
val coroutine = object : AbstractCoroutine<String>(coroutineContext, false) {
override fun onStart() {
expect(3)
}
override fun onCancellation(cause: Throwable?) {
assertTrue(cause is ArithmeticException)
assertTrue(cause!!.suppressed.isEmpty())
expect(5)
}
override fun onCompleted(value: String) {
expectUnreached()
}
override fun onCompletedExceptionally(exception: Throwable) {
assertTrue(exception is ArithmeticException)
checkException<IOException>(exception.suppressed[0])
expect(9)
}
}
coroutine.invokeOnCompletion(onCancelling = true) {
assertTrue(it is ArithmeticException)
assertTrue(it!!.suppressed.isEmpty())
expect(6)
}
coroutine.invokeOnCompletion {
assertTrue(it is ArithmeticException)
checkException<IOException>(it!!.suppressed[0])
expect(8)
}
expect(2)
coroutine.start()
expect(4)
coroutine.cancel(ArithmeticException())
expect(7)
coroutine.resumeWithException(IOException())
finish(10)
}
}
|
