Zalim Bashorov
56 lines
1.2 KiB
Kotlin
Vendored
56 lines
1.2 KiB
Kotlin
Vendored
// TODO: muted automatically, investigate should it be ran for JS or not
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// IGNORE_BACKEND: JS
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// FILE: J.java
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import java.util.*;
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public class J {
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public static String nullValue() {
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return null;
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}
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}
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// FILE: test.kt
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class MySet : Set<String> {
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override val size: Int
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get() = throw UnsupportedOperationException()
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override fun isEmpty(): Boolean {
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throw UnsupportedOperationException()
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}
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override fun contains(o: String): Boolean {
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throw UnsupportedOperationException()
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}
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override fun iterator(): Iterator<String> {
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throw UnsupportedOperationException()
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}
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override fun containsAll(c: Collection<String>): Boolean {
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throw UnsupportedOperationException()
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}
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}
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fun box(): String {
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val mySet = MySet()
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// no UnsupportedOperationException thrown
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mySet.contains(J.nullValue())
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J.nullValue() in mySet
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val set: Set<String> = mySet
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set.contains(J.nullValue())
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J.nullValue() in set
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val anySet: Set<Any?> = mySet as Set<Any?>
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anySet.contains(J.nullValue())
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anySet.contains(null)
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J.nullValue() in anySet
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null in anySet
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return "OK"
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}
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