Files
kotlin-fork/compiler/testData/codegen/box/inlineClasses/propertyDelegation/delegateLocalVarToInlineClass.kt
T
2019-11-19 11:00:09 +03:00

85 lines
1.8 KiB
Kotlin
Vendored

// !LANGUAGE: +InlineClasses
// IGNORE_BACKEND_FIR: JVM_IR
var setterInvoked = 0
var backing = 42
inline class DelegateStr(val ignored: String) {
operator fun getValue(thisRef: Any?, prop: Any?) =
backing
operator fun setValue(thisRef: Any?, prop: Any?, newValue: Int) {
setterInvoked++
backing = newValue
}
}
inline class DelegateInt(val ignored: Int) {
operator fun getValue(thisRef: Any?, prop: Any?) =
backing
operator fun setValue(thisRef: Any?, prop: Any?, newValue: Int) {
setterInvoked++
backing = newValue
}
}
inline class DelegateLong(val ignored: Long) {
operator fun getValue(thisRef: Any?, prop: Any?) =
backing
operator fun setValue(thisRef: Any?, prop: Any?, newValue: Int) {
setterInvoked++
backing = newValue
}
}
fun box(): String {
setterInvoked = 0
testDelegateStr()
if (setterInvoked != 1) throw AssertionError()
setterInvoked = 0
testDelegateInt()
if (setterInvoked != 1) throw AssertionError()
setterInvoked = 0
testDelegateLong()
if (setterInvoked != 1) throw AssertionError()
return "OK"
}
private fun testDelegateStr() {
var localD by DelegateStr("don't care")
if (localD != 42) AssertionError()
localD = 1234
if (localD != 1234) throw AssertionError()
if (backing != 1234) throw AssertionError()
}
private fun testDelegateInt() {
var localD by DelegateInt(999)
if (localD != 42) AssertionError()
localD = 1234
if (localD != 1234) throw AssertionError()
if (backing != 1234) throw AssertionError()
}
private fun testDelegateLong() {
var localD by DelegateLong(999L)
if (localD != 42) AssertionError()
localD = 1234
if (localD != 1234) throw AssertionError()
if (backing != 1234) throw AssertionError()
}