Files
kotlin-fork/backend.native/tests/external/codegen/blackbox/unit/nullableUnit.kt
T
Ilya Matveev 1b553ebfaf backend/tests: Add blackbox tests from Kotlin JVM
Added tests from testData/codegen/box directory. There are blackbox tests
in other directories and they are to be added.
2017-01-20 14:04:04 +03:00

21 lines
409 B
Kotlin

fun isNull(x: Unit?) = x == null
fun <T : Any> isNullGeneric(x: T?) = x == null
fun deepIsNull0(x: Unit?) = isNull(x)
fun deepIsNull(x: Unit?) = deepIsNull0(x)
fun box(): String {
if (!isNull(null)) return "Fail 1"
val x: Unit? = null
if (!isNull(x)) return "Fail 2"
val y = x
if (!isNullGeneric(y)) return "Fail 3"
if (!deepIsNull(x ?: null)) return "Fail 4"
return "OK"
}