| /* | |
| * 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. | |
| */ | |
| import kotlin.test.* | |
| val sb = StringBuilder() | |
| open class A<T> { | |
| open fun T.foo() { | |
| sb.appendLine(this.toString()) | |
| } | |
| fun bar(x: T) { | |
| x.foo() | |
| } | |
| } | |
| open class B: A<Int>() { | |
| override fun Int.foo() { | |
| sb.appendLine(this.toString()) | |
| } | |
| } | |
| fun box(): String { | |
| val b = B() | |
| val a = A<Int>() | |
| b.bar(42) | |
| a.bar(42) | |
| assertEquals("42\n42\n", sb.toString()) | |
| return "OK" | |
| } |