Mark Punzalan
37 lines
905 B
Kotlin
Vendored
37 lines
905 B
Kotlin
Vendored
// IGNORE_BACKEND_FIR: JVM_IR
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// SKIP_JDK6
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// TARGET_BACKEND: JVM
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// FULL_JDK
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// WITH_RUNTIME
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import java.util.*
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import java.util.function.Predicate
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class MyList : AbstractCollection<String>(), MutableCollection<String> {
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override fun iterator(): MutableIterator<String> {
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throw UnsupportedOperationException()
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}
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override val size: Int
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get() = throw UnsupportedOperationException()
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override fun removeIf(predicate: Predicate<in String>) =
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predicate.test("abc")
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}
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fun box(): String {
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val ml = mutableListOf("xyz", "abc")
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if (!ml.removeIf { x -> x == "abc" }) return "fail 1"
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if (ml.removeIf { x -> x == "abc" }) return "fail 2"
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if (ml != listOf("xyz")) return "fail 3"
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val myList = MyList()
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if (!myList.removeIf { x -> x == "abc" }) return "fail 4"
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if (myList.removeIf { x -> x == "xyz" }) return "fail 5"
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return "OK"
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}
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