blob: 1485dea213520747f3247464593802b0c1a4cec3 [file] [log] [blame]
fun Long.id() = this
fun String.drop2() = if (length >= 2) subSequence(2, length) else null
fun String.anyLength(): Any = length
fun doSimple(s: String?) = 3 != s?.length
fun doLongReceiver(x: Long) = 3L != x?.id()
fun doChain(s: String?) = 1 != s?.drop2()?.length
fun doIf(s: String?) =
if (1 != s?.length) "A" else "B"
fun doCmpWithAny(s: String?) =
3 != s?.anyLength()
fun box(): String = when {
!doSimple(null) -> "failed 1"
!doSimple("1") -> "failed 2"
doSimple("123") -> "failed 3"
!doLongReceiver(2L) -> "failed 4"
doLongReceiver(3L) -> "failed 5"
!doChain(null) -> "failed 6"
!doChain("1") -> "failed 7"
doChain("123") -> "failed 7"
doIf("1") == "A" -> "failed 8"
doIf("123") == "B" -> "failed 9"
doIf(null) == "B" -> "failed 10"
!doCmpWithAny(null) -> "failed 11"
!doCmpWithAny("1") -> "failed 12"
doCmpWithAny("123") -> "failed 13"
else -> "OK"
}