Files
kotlin-fork/compiler/testData/diagnostics/testsWithJava8/targetedBuiltIns/backwardCompatibility/delegation.kt
T
2017-05-26 13:58:46 +03:00

33 lines
1.4 KiB
Kotlin
Vendored

// !DIAGNOSTICS: -UNUSED_PARAMETER -PLATFORM_CLASS_MAPPED_TO_KOTLIN
// Default methods from Java interfaces are NOT overridden by delegation.
// So, in the example below 'TestNoDelegationToDefaultMethods#replace' implicitly overrides a method from 'java.util.Map' (which is ok),
// but not a method from 'WithDelegation' (would be an error).
open class WithDelegation(val m: Map<String, String>) : Map<String, String> by m
class TestNoDelegationToDefaultMethods(m: Map<String, String>): WithDelegation(m) {
fun <!VIRTUAL_MEMBER_HIDDEN!>containsKey<!>(key: String): Boolean = TODO()
fun getOrDefault(key: String, defaultValue: String): String = TODO()
fun replace(key: String, value: String): String? = TODO()
}
interface IBaseWithKotlinDeclaration : Map<String, String> {
fun replace(key: String, value: String): String?
}
abstract class WithDelegation2(val m: Map<String, String>) : Map<String, String> by m, IBaseWithKotlinDeclaration
abstract class TestNoDelegationToDefaultMethods2(m: Map<String, String>): WithDelegation2(m) {
fun <!VIRTUAL_MEMBER_HIDDEN!>containsKey<!>(key: String): Boolean = TODO()
fun getOrDefault(key: String, defaultValue: String): String = TODO()
// VIRTUAL_MEMBER_HIDDEN: hides member declaration inherited from a Kotlin interface
fun <!VIRTUAL_MEMBER_HIDDEN!>replace<!>(key: String, value: String): String? = TODO()
}