Files
kotlin/compiler/testData/codegen/boxWithStdlib/reflection/call/disallowNullValueForNotNullField.kt
Alexander Udalov 49b689f883 Do not allow to assign null to a non-null property via reflection
This was already working for accessor-based properties because the assertions
were already generated into corresponding accessors, but for fields we must
manually check the value against null
2015-08-07 00:55:33 +03:00

44 lines
1.3 KiB
Kotlin
Vendored

import kotlin.reflect.*
import kotlin.reflect.jvm.*
import kotlin.platform.platformStatic as static
class A {
private var foo: String = ""
}
object O {
private static var bar: String = ""
}
class CounterTest<T>(t: T) {
private var baz: String? = ""
private var generic: T = t
}
fun box(): String {
val p = A::class.memberProperties.single() as KMutableProperty1<A, String?>
p.isAccessible = true
try {
p.setter.call(A(), null)
return "Fail: exception should have been thrown"
} catch (e: IllegalArgumentException) {}
val o = O::class.memberProperties.single() as KMutableProperty1<O, String?>
o.isAccessible = true
try {
o.setter.call(O, null)
return "Fail: exception should have been thrown"
} catch (e: IllegalArgumentException) {}
val c = CounterTest::class.memberProperties.single { it.name == "baz" } as KMutableProperty1<CounterTest<*>, String?>
c.isAccessible = true
c.setter.call(CounterTest(""), null) // Should not fail, because CounterTest::baz is nullable
val d = CounterTest::class.memberProperties.single { it.name == "generic" } as KMutableProperty1<CounterTest<*>, String?>
d.isAccessible = true
d.setter.call(CounterTest(""), null) // Also should not fail, because we can't be sure about nullability of 'generic'
return "OK"
}