Files
kotlin-fork/compiler/testData/codegen/box/basics/cast_null.kt
T
2024-02-26 13:38:49 +00:00

55 lines
1.1 KiB
Kotlin
Vendored

/*
* Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
* that can be found in the LICENSE file.
*/
// WITH_STDLIB
import kotlin.test.*
fun box(): String {
testCast(null, false)
testCastToNullable(null, true)
testCastToNullable(TestKlass(), true)
testCastToNullable("", false)
testCastNotNullableToNullable(TestKlass(), true)
testCastNotNullableToNullable("", false)
return "OK"
}
class TestKlass
fun ensure(b: Boolean) {
if (!b) {
throw Error("Error")
}
}
fun testCast(x: Any?, expectSuccess: Boolean) {
try {
x as TestKlass
} catch (e: Throwable) {
ensure(!expectSuccess)
return
}
ensure(expectSuccess)
}
fun testCastToNullable(x: Any?, expectSuccess: Boolean) {
try {
x as TestKlass?
} catch (e: Throwable) {
ensure(!expectSuccess)
return
}
ensure(expectSuccess)
}
fun testCastNotNullableToNullable(x: Any, expectSuccess: Boolean) {
try {
x as TestKlass?
} catch (e: Throwable) {
ensure(!expectSuccess)
return
}
ensure(expectSuccess)
}