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16 lines
502 B
Kotlin
16 lines
502 B
Kotlin
class MyMapEntry<K, V>: Map.Entry<K, V> {
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override fun hashCode(): Int = 0
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override fun equals(other: Any?): Boolean = false
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override fun getKey(): K = throw UnsupportedOperationException()
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override fun getValue(): V = throw UnsupportedOperationException()
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}
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fun box(): String {
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try {
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(MyMapEntry<String, Int>() as MutableMap.MutableEntry<String, Int>).setValue(1)
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throw AssertionError()
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} catch (e: UnsupportedOperationException) {
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return "OK"
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}
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}
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