Mikhael Bogdanov
49 lines
1.2 KiB
Kotlin
Vendored
49 lines
1.2 KiB
Kotlin
Vendored
// SKIP_JDK6
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// IGNORE_BACKEND: JVM_IR
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// TARGET_BACKEND: JVM
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// FULL_JDK
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// WITH_RUNTIME
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// FILE: A.java
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public class A {
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public static void foo(java.util.Map<String, String> x) {
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x.remove("abc", "cde");
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}
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}
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// FILE: main.kt
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class ReadOnlyMap<K, V>(val x: K, val y: V) : Map<K, V> {
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override val entries: Set<Map.Entry<K, V>>
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get() = throw UnsupportedOperationException()
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override val keys: Set<K>
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get() = throw UnsupportedOperationException()
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override val size: Int
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get() = throw UnsupportedOperationException()
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override val values: Collection<V>
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get() = throw UnsupportedOperationException()
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override fun containsKey(key: K) = key == x
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override fun containsValue(value: V) = value == y
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override fun get(key: K): V? = if (key == x) y else null
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override fun isEmpty() = false
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}
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fun box(): String {
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try {
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A.foo(ReadOnlyMap("abc", "cde"))
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return "fail 1"
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} catch (e: UnsupportedOperationException) { }
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try {
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// Default Map 'remove' implenetation actually does remove iff entry exists
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A.foo(ReadOnlyMap("abc", "123"))
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return "fail 2"
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} catch (e: UnsupportedOperationException) { }
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return "OK"
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}
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