Jinseong Jeon
45 lines
1.1 KiB
Kotlin
Vendored
45 lines
1.1 KiB
Kotlin
Vendored
// TARGET_BACKEND: JVM
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// WITH_REFLECT
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import kotlin.reflect.KProperty
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import kotlin.reflect.KProperty2
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import kotlin.reflect.full.IllegalPropertyDelegateAccessException
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import kotlin.test.*
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object Delegate {
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operator fun getValue(instance: Any?, property: KProperty<*>) = true
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}
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val topLevel: Boolean by Delegate
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val String.extension: Boolean by Delegate
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class Foo {
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val member: Boolean by Delegate
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val String.memberExtension: Boolean by Delegate
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}
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inline fun check(block: () -> Unit) {
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try {
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block()
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throw AssertionError("No IllegalPropertyDelegateAccessException has been thrown")
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} catch (e: IllegalPropertyDelegateAccessException) {
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// OK
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}
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}
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fun box(): String {
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check { ::topLevel.getDelegate() }
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check { String::extension.getDelegate("") }
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check { ""::extension.getDelegate() }
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val foo = Foo()
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check { Foo::member.getDelegate(foo) }
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check { foo::member.getDelegate() }
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val me = Foo::class.members.single { it.name == "memberExtension" } as KProperty2<Foo, String, Boolean>
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check { me.getDelegate(foo, "") }
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return "OK"
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}
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