| /* | |
| * Copyright 2010-2019 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.* | |
| val sb = StringBuilder() | |
| interface I { | |
| fun foo() | |
| } | |
| fun test() { | |
| val impl = object : I { | |
| override fun foo() { sb.append("zzz") } | |
| } | |
| val delegating = object: I by impl { } | |
| delegating.foo() | |
| } | |
| fun box(): String { | |
| test() | |
| assertEquals("zzz", sb.toString()) | |
| return "OK" | |
| } |