core/kotlinx-coroutines-core/test/guide/example-exceptions-04.kt

/*
 * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 */

// This file was automatically generated from coroutines-guide.md by Knit tool. Do not edit.
package kotlinx.coroutines.experimental.guide.exceptions04

import kotlinx.coroutines.experimental.*
import kotlin.coroutines.experimental.*

fun main(args: Array<String>) = runBlocking {
    val handler = CoroutineExceptionHandler { _, exception -> 
        println("Caught $exception") 
    }
    val job = launch(handler) {
        val child1 = launch(coroutineContext, start = CoroutineStart.ATOMIC) {
            try {
                delay(Long.MAX_VALUE)
            } finally {
                withContext(NonCancellable) {
                    println("Children are cancelled, but exception is not handled until all children terminate")
                    delay(100)
                    println("Last child finished its non cancellable block")
                }
            }
        }
        val child2 = launch(coroutineContext, start = CoroutineStart.ATOMIC) {
            delay(10)
            println("Second child throws an exception")
            throw ArithmeticException()
        }
    }
    job.join()
}