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/*
* Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.coroutines
import kotlin.test.*
class DebugThreadNameTest : TestBase() {
@BeforeTest
fun resetName() {
resetCoroutineId()
}
@Test
fun testLaunchId() = runTest {
assertName("coroutine#1")
launch {
assertName("coroutine#2")
yield()
assertName("coroutine#2")
}
assertName("coroutine#1")
}
@Test
fun testLaunchIdUndispatched() = runTest {
assertName("coroutine#1")
launch(start = CoroutineStart.UNDISPATCHED) {
assertName("coroutine#2")
yield()
assertName("coroutine#2")
}
assertName("coroutine#1")
}
@Test
fun testLaunchName() = runTest {
assertName("coroutine#1")
launch(CoroutineName("TEST")) {
assertName("TEST#2")
yield()
assertName("TEST#2")
}
assertName("coroutine#1")
}
@Test
fun testWithContext() = runTest {
assertName("coroutine#1")
withContext(Dispatchers.Default) {
assertName("coroutine#1")
yield()
assertName("coroutine#1")
withContext(CoroutineName("TEST")) {
assertName("TEST#1")
yield()
assertName("TEST#1")
}
assertName("coroutine#1")
yield()
assertName("coroutine#1")
}
assertName("coroutine#1")
}
private fun assertName(expected: String) {
val name = Thread.currentThread().name
val split = name.split(Regex(" @"))
assertEquals(2, split.size, "Thread name '$name' is expected to contain one coroutine name")
assertEquals(expected, split[1], "Thread name '$name' is expected to end with coroutine name '$expected'")
}
}
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