/*
 * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
 * that can be found in the LICENSE file.
 */
// WITH_STDLIB
// WITH_COROUTINES

import kotlin.test.*

import kotlin.coroutines.*
import kotlin.coroutines.intrinsics.*

val sb = StringBuilder()

open class EmptyContinuation(override val context: CoroutineContext = EmptyCoroutineContext) : Continuation<Any?> {
    companion object : EmptyContinuation()
    override fun resumeWith(result: Result<Any?>) { result.getOrThrow() }
}

suspend fun s1(): Int = suspendCoroutineUninterceptedOrReturn { x ->
    sb.appendLine("s1")
    x.resume(42)
    COROUTINE_SUSPENDED
}

fun f1(): Int {
    sb.appendLine("f1")
    return 117
}

fun f2(): Int {
    sb.appendLine("f2")
    return 1
}

fun f3(x: Int, y: Int): Int {
    sb.appendLine("f3")
    return x + y
}

fun builder(c: suspend () -> Unit) {
    c.startCoroutine(EmptyContinuation)
}

fun box(): String {
    var result = 0

    builder {
        if (f1() > 100)
            result = s1() + f2()
        else
            result = 42
    }

    sb.appendLine(result)

    assertEquals("""
        f1
        s1
        f2
        43

    """.trimIndent(), sb.toString())

    return "OK"
}