kotlin/idea/testData/refactoring/extractFunction/controlFlow/outputValues/singleOutputValueWithWhen.kt

// PARAM_TYPES: kotlin.Int, kotlin.Comparable<kotlin.Int>
// PARAM_TYPES: kotlin.Int
// PARAM_DESCRIPTOR: value-parameter a: kotlin.Int defined in foo
// PARAM_DESCRIPTOR: var b: kotlin.Int defined in foo
// SIBLING:
fun foo(a: Int): Int {
    var b: Int = 1

    <selection> when {
        a > 0 -> {
            b = b + 1
        }
        a < 0 -> {
            b = b - 1
        }
    }
    println(b)</selection>

    return b
}