nofreeze.kt

@Test
fun ensureNeverFrozenNoFreezeChild(){
    if(!isNative)
        return

    val noFreeze = Hi("qwert")
    noFreeze.ensureNeverFrozen()

    val nested = Nested(noFreeze)
    assertFails { nested.freeze() }
}

@Test
fun ensureNeverFrozenFailsTarget(){
    if(!isNative)
        return

    val noFreeze = Hi("qwert")
    noFreeze.ensureNeverFrozen()

    assertFalse(noFreeze.isFrozen())
    noFreeze.freeze()
    assertTrue(noFreeze.isFrozen())
}

data class Hi(val s:String)
data class Nested(val hi:Hi)