kotlin-fork/compiler/testData/codegen/regressions/kt471.kt

import java.util.ArrayList

class MyNumber(val i: Int) {
    fun inc(): MyNumber = MyNumber(i+1)
}

class MNR(var ref: MyNumber) {}

fun test1() : Boolean {
    var m  = MyNumber(42)

    m++
    if (m.i != 43) return false
    return true
}

fun test2() : Boolean {
    var m  = MyNumber(44)

    var m2 = m++
    if (m2.i != 44) return false
    if (m.i  != 45) return false
    return true
}

fun test3() : Boolean {
    var mnr  = MNR(MyNumber(42))
    mnr.ref++
    if (mnr.ref.i != 43) return false
    return true
}

fun test4() : Boolean {
    var mnr  = MNR(MyNumber(42))
    val m3 = mnr.ref++
    if (m3.i  != 42) return false
    return true
}

fun test5() : Boolean {
    var mnr  = Array<MyNumber>(2,{MyNumber(42)})
    mnr[0]++
    if (mnr[0].i  != 43) return false
    return true
}

fun test6() : Boolean {
    var mnr  = Array<MyNumber>(2,{it -> MyNumber(42-it)})
    mnr[1] = mnr[0]++
    if (mnr[0].i  != 43) return false
    if (mnr[1].i  != 42) return false
    return true
}

fun test7() : Boolean {
    var mnr  = ArrayList<MyNumber>()
    mnr.add(MyNumber(42))
    mnr[0]++
    if (mnr[0].i  != 43) return false
    return true
}

fun test8() : Boolean {
    var mnr  = ArrayList<MyNumber>()
    mnr.add(MyNumber(42))
    mnr.add(MyNumber(41))
    mnr[1] = mnr[0]++
    if (mnr[0].i  != 43) return false
    if (mnr[1].i  != 42) return false
    return true
}


fun box() : String {
    var m  = MyNumber(42)

    if (!test1()) return "fail test 1"
    if (!test2()) return "fail test 2"
    if (!test3()) return "fail test 3"
    if (!test4()) return "fail test 4"

    if (!test5()) return "fail test 5"
    if (!test6()) return "fail test 6"
    if (!test7()) return "fail test 7"
    if (!test8()) return "fail test 8"


    ++m
    if (m.i != 43) return "fail 0"

    var m1 = ++m
    if (m1.i != 44) return "fail 3"
    if (m.i  != 44) return "fail 4"

    return "OK"
}