Files
kotlin-fork/backend.native/tests/external/codegen/blackbox/casts/functions/reifiedSafeAsFunKSmall.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

44 lines
1.3 KiB
Kotlin

// TODO: muted automatically, investigate should it be ran for JS or not
// IGNORE_BACKEND: JS
fun fn0() {}
fun fn1(x: Any) {}
inline fun <reified T> reifiedSafeAsReturnsNonNull(x: Any?, operation: String) {
val y = try {
x as? T
}
catch (e: Throwable) {
throw AssertionError("$operation: should not throw exceptions, got $e")
}
if (y == null) {
throw AssertionError("$operation: should return non-null, got null")
}
}
inline fun <reified T> reifiedSafeAsReturnsNull(x: Any?, operation: String) {
val y = try {
x as? T
}
catch (e: Throwable) {
throw AssertionError("$operation: should not throw exceptions, got $e")
}
if (y != null) {
throw AssertionError("$operation: should return null, got $y")
}
}
fun box(): String {
val f0 = ::fn0 as Any
val f1 = ::fn1 as Any
reifiedSafeAsReturnsNonNull<Function0<*>>(f0, "f0 as Function0<*>")
reifiedSafeAsReturnsNull<Function1<*, *>>(f0, "f0 as Function1<*, *>")
reifiedSafeAsReturnsNull<Function0<*>>(f1, "f1 as Function0<*>")
reifiedSafeAsReturnsNonNull<Function1<*, *>>(f1, "f1 as Function1<*, *>")
reifiedSafeAsReturnsNull<Function0<*>>(null, "null as Function0<*>")
reifiedSafeAsReturnsNull<Function1<*, *>>(null, "null as Function1<*, *>")
return "OK"
}