Vladimir Sukharev
45 lines
1.1 KiB
Kotlin
Vendored
45 lines
1.1 KiB
Kotlin
Vendored
/*
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* Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
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* that can be found in the LICENSE file.
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*/
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// WITH_STDLIB
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import kotlin.test.*
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interface Element {
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val isContained: Boolean
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}
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object ContainedElement : Element {
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override val isContained: Boolean = true
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}
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object NotContainedElement : Element {
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override val isContained: Boolean = false
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}
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internal class MySet<E : Element> : Set<E> {
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override fun contains(element: E): Boolean = element.isContained
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override fun equals(other: Any?): Boolean = TODO()
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override fun hashCode(): Int = TODO()
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override fun toString(): String = TODO()
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override val size: Int get() = TODO()
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override fun isEmpty(): Boolean = TODO()
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override fun containsAll(elements: Collection<E>): Boolean = TODO()
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override fun iterator(): Iterator<E> = TODO()
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}
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fun set(): Set<Any> = MySet<Element>()
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fun box(): String {
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val set = set()
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if (set.contains(Any())) return "FAIL 1: $set"
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if (set.contains(NotContainedElement)) return "FAIL 2: $set"
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if (!set.contains(ContainedElement)) return "FAIL 3: $set"
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return "OK"
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}
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