Files
kotlin-fork/compiler/testData/codegen/box/reflection/properties/localDelegated/localDelegatedProperty.kt
T
2019-11-19 11:00:09 +03:00

77 lines
2.3 KiB
Kotlin
Vendored

// IGNORE_BACKEND_FIR: JVM_IR
// TARGET_BACKEND: JVM
// WITH_REFLECT
import kotlin.reflect.*
import kotlin.test.*
object Delegate {
lateinit var property: KProperty<*>
operator fun getValue(instance: Any?, kProperty: KProperty<*>): List<String?> {
property = kProperty
return emptyList()
}
operator fun setValue(instance: Any?, kProperty: KProperty<*>, value: List<String?>) {
throw AssertionError()
}
}
fun check(expectedName: String, p: KProperty0<*>): String? {
assertEquals(expectedName, p.name)
assertEquals(emptyList<KParameter>(), p.parameters)
assertEquals(emptyList<KTypeParameter>(), p.typeParameters)
assertEquals(null, p.visibility) // "local" visibility is not representable with reflection API
assertEquals("kotlin.collections.List<kotlin.String?>", p.returnType.toString())
assertTrue(p.isFinal)
assertFalse(p.isOpen)
assertFalse(p.isAbstract)
assertFalse(p.isLateinit)
assertFalse(p.isConst)
// TODO: support getDelegate for local delegated properties
assertEquals(null, (p as KProperty0<*>).getDelegate())
assertEquals(emptyList<KParameter>(), p.getter.parameters)
assertEquals("kotlin.collections.List<kotlin.String?>", p.getter.returnType.toString())
// TODO: support annotations
assertEquals(emptyList<Annotation>(), p.annotations)
try {
p.call()
return "Fail: reflective call of a local delegated property should fail because it's not supported"
} catch (e: UnsupportedOperationException) { /* ok */ }
if (p is KMutableProperty0<*>) {
assertEquals(listOf("kotlin.collections.List<kotlin.String?>"), p.setter.parameters.map { it.type.toString() })
assertEquals("kotlin.Unit", p.setter.returnType.toString())
try {
p.setter.call()
return "Fail: reflective call of a local delegated property setter should fail because it's not supported"
} catch (e: UnsupportedOperationException) { /* ok */ }
}
return null
}
annotation class Anno
fun box(): String {
@Anno
val localVal by Delegate
localVal
check("localVal", Delegate.property as KProperty0<*>)?.let { error -> return error }
@Anno
var localVar by Delegate
localVar
check("localVar", Delegate.property as KProperty0<*>)?.let { error -> return error }
return "OK"
}