Alexander Shabalin
29f3445721
Starting with 1.7.20 freezing is deprecated. See https://github.com/JetBrains/kotlin/blob/master/kotlin-native/NEW_MM.md#freezing-deprecation for details. Merge-request: KT-MR-6399 Merged-by: Alexander Shabalin <Alexander.Shabalin@jetbrains.com>
47 lines
1.1 KiB
Kotlin
47 lines
1.1 KiB
Kotlin
/*
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* Copyright 2010-2018 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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@file:OptIn(FreezingIsDeprecated::class)
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package runtime.workers.freeze1
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import kotlin.test.*
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import kotlin.native.concurrent.*
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data class Node(var previous: Node?, var data: Int)
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fun makeCycle(count: Int): Node {
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val first = Node(null, 0)
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var current = first
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for (index in 1 .. count - 1) {
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current = Node(current, index)
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}
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first.previous = current
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return first
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}
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data class Node2(var leaf1: Node2?, var leaf2: Node2?)
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fun makeDiamond(): Node2 {
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val bottom = Node2(null, null)
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val mid1prime = Node2(bottom, null)
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val mid1 = Node2(mid1prime, null)
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val mid2 = Node2(bottom, null)
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return Node2(mid1, mid2)
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}
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@Test fun runTest() {
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makeCycle(10).freeze()
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// Must be able to freeze diamond shaped graph.
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val diamond = makeDiamond().freeze()
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val immutable = Node(null, 4).freeze()
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try {
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immutable.data = 42
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} catch (e: InvalidMutabilityException) {
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println("OK, cannot mutate frozen")
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}
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} |