Vladimir Sukharev
a036e41809
^KT-59057 Merge-request: KT-MR-10748 Merged-by: Vladimir Sukharev <Vladimir.Sukharev@jetbrains.com>
46 lines
1.2 KiB
Kotlin
Vendored
46 lines
1.2 KiB
Kotlin
Vendored
// See the end of KT-8135 description: The same problem appears when using delegating properties with unchecked casts inside
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// Test fail reason: ClassCastException is not thrown when using delegating properties with unchecked casts inside
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// IGNORE_BACKEND: WASM
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// IGNORE_BACKEND: NATIVE
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// IGNORE_BACKEND: JVM_IR
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// FIR status: not supported in JVM
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// IGNORE_BACKEND: JS_IR
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// IGNORE_BACKEND: JS_IR_ES6
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// IGNORE_BACKEND: JVM, JS
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import kotlin.reflect.KProperty
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class Delegate<T>(var inner: T) {
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operator fun getValue(t: Any?, p: KProperty<*>): T = inner
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operator fun setValue(t: Any?, p: KProperty<*>, i: T) { inner = i }
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}
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val del = Delegate("zzz")
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class A {
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inner class B {
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var prop: String by del
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}
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}
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inline fun asFailsWithCCE(block: () -> Unit) {
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try {
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block()
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}
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catch (e: ClassCastException) {
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return
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}
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catch (e: Throwable) {
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throw AssertionError("Should throw ClassCastException, got $e")
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}
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throw AssertionError("Should throw ClassCastException, no exception thrown")
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}
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fun box(): String {
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val c = A().B()
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(del as Delegate<String?>).inner = null
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asFailsWithCCE { c.prop } // throws AssertionError due to KT-8135.
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return "OK"
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} |