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kotlin-fork/compiler/testData/codegen/box/interfaceCallsNCasts/diamond.kt
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2024-02-26 13:38:49 +00:00

33 lines
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Kotlin
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/*
* Copyright 2010-2021 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.*
interface A<T, U> {
fun foo(t: T, u: U) = "A"
}
interface B<U> : A<String, U>
interface C<T> : A<T, Int>
class Z : B<Int>, C<String> {
override fun foo(t: String, u: Int) = "Z"
}
fun box(): String {
val z = Z()
val c: C<String> = z
val b: B<Int> = z
val a: A<String, Int> = z
assertEquals("Z", z.foo("", 0))
assertEquals("Z", c.foo("", 0))
assertEquals("Z", b.foo("", 0))
assertEquals("Z", a.foo("", 0))
return "OK"
}