| public var inc: Int = 0 |
| |
| public var propInc: Int = 0 |
| get() {++inc; return field} |
| set(a: Int) { |
| ++inc |
| field = a |
| } |
| |
| public var dec: Int = 0 |
| |
| public var propDec: Int = 0 |
| get() { --dec; return field} |
| set(a: Int) { |
| --dec |
| field = a |
| } |
| |
| fun box(): String { |
| ++propInc |
| if (inc != 3) return "fail in prefix increment: ${inc} != 3" |
| if (propInc != 1) return "fail in prefix increment: ${propInc} != 1" |
| |
| --propDec |
| if (dec != -3) return "fail in prefix decrement: ${dec} != -3" |
| if (propDec != -1) return "fail in prefix decrement: ${propDec} != -1" |
| |
| return "OK" |
| } |
