Files
Aleksandra.Arsenteva c6b32200df [Test] Add diagnostic tests for smartcast in K2
List of issues:
KT-28806, KT-7186, KT-22997, KT-1982, KT-22996, KT-54443, KT-37308, KT-37115, KT-4113, KT-25747, KT-24779
2023-12-18 13:08:33 +00:00

58 lines
1.2 KiB
Kotlin
Vendored

// ISSUE: KT-28806
// FIR_IDENTICAL
// WITH_STDLIB
// DIAGNOSTICS: -ERROR_SUPPRESSION, -DEBUG_INFO_SMARTCAST
import kotlin.contracts.*
@Suppress("OPT_IN_USAGE_ERROR", "OPT_IN_USAGE_FUTURE_ERROR")
fun atLeastOnce(block: () -> Unit): Boolean {
contract {
callsInPlace(block, InvocationKind.AT_LEAST_ONCE)
}
block()
return true
}
@Suppress("OPT_IN_USAGE_ERROR", "OPT_IN_USAGE_FUTURE_ERROR")
fun exactlyOnce(block: () -> Unit): Boolean {
contract {
callsInPlace(block, InvocationKind.EXACTLY_ONCE)
}
block()
return true
}
fun runWithoutContract(block: () -> Unit): Boolean {
block()
return true
}
fun test1(x: Any) {
if (x !is String || atLeastOnce { x.length }) return
}
fun test2(x: Any) {
if (x !is String || exactlyOnce { x.length }) return
}
fun test3(x: Any) {
if (x !is String || runWithoutContract { x.length }) return
}
fun test4(x: Any) {
if (x is String && atLeastOnce { x.length }) {
x.length
}
}
fun test5(x: Any) {
if (x is String && exactlyOnce { x.length }) {
x.length
}
}
fun test6(x: Any) {
if (x is String && runWithoutContract { x.length }) {
x.length
}
}