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39 lines
1.3 KiB
Kotlin
Vendored
39 lines
1.3 KiB
Kotlin
Vendored
class MyList<T>: List<T> {
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override val size: Int get() = 0
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override fun isEmpty(): Boolean = true
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override fun contains(o: T): Boolean = false
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override fun iterator(): Iterator<T> = throw Error()
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override fun containsAll(c: Collection<T>): Boolean = false
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override fun get(index: Int): T = throw IndexOutOfBoundsException()
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override fun indexOf(o: T): Int = -1
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override fun lastIndexOf(o: T): Int = -1
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override fun listIterator(): ListIterator<T> = throw Error()
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override fun listIterator(index: Int): ListIterator<T> = throw Error()
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override fun subList(fromIndex: Int, toIndex: Int): List<T> = this
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override fun hashCode(): Int = 0
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override fun equals(other: Any?): Boolean = false
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}
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fun expectUoe(block: () -> Any) {
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try {
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block()
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throw AssertionError()
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} catch (e: UnsupportedOperationException) {
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}
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}
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fun box(): String {
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val list = MyList<String>() as java.util.List<String>
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expectUoe { list.add("") }
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expectUoe { list.remove("") }
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expectUoe { list.addAll(list) }
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expectUoe { list.removeAll(list) }
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expectUoe { list.retainAll(list) }
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expectUoe { list.clear() }
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expectUoe { list.set(0, "") }
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expectUoe { list.add(0, "") }
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expectUoe { list.remove(0) }
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return "OK"
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} |