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35 lines
727 B
Kotlin
Vendored
35 lines
727 B
Kotlin
Vendored
interface Sized {
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val size: Int
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}
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class A<T> : J(), Collection<T> {
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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(element: T): Boolean {
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throw UnsupportedOperationException()
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}
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override fun iterator(): Iterator<T> {
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throw UnsupportedOperationException()
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}
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override fun containsAll(elements: Collection<T>): 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 a = A<String>()
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if (a.size != 123) return "fail 1"
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val c: Collection<String> = a
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if (c.size != 123) return "fail 2"
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val sized: Sized = a
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if (sized.size != 123) return "fail 3"
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return "OK"
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}
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