Files
kotlin-fork/compiler/testData/diagnostics/tests/controlFlowAnalysis/fieldInitialization.kt
T
Ilmir Usmanov b403b63f48 Ease field initialization check
Since there is already VAL_REASSIGNMENT diagnostics, we can safely only
for direct assignments.
 #KT-40893 Fixed
2020-08-07 14:22:18 +02:00

132 lines
2.7 KiB
Kotlin
Vendored

// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect
// !USE_EXPERIMENTAL: kotlin.internal.ContractsDsl
import kotlin.contracts.*
@kotlin.contracts.ExperimentalContracts
inline fun inlineMe(block: () -> Unit) {
contract {
callsInPlace(block, InvocationKind.EXACTLY_ONCE)
}
block()
}
@kotlin.contracts.ExperimentalContracts
inline fun crossinlineMe(crossinline block: () -> Unit) {
contract {
callsInPlace(block, InvocationKind.EXACTLY_ONCE)
}
block()
}
@Suppress("NOTHING_TO_INLINE")
@kotlin.contracts.ExperimentalContracts
inline fun noinlineMe(noinline block: () -> Unit) {
contract {
callsInPlace(block, InvocationKind.EXACTLY_ONCE)
}
block()
}
@kotlin.contracts.ExperimentalContracts
fun notinline(block: () -> Unit) {
contract {
callsInPlace(block, InvocationKind.EXACTLY_ONCE)
}
block()
}
@kotlin.contracts.ExperimentalContracts
class Test {
val a: String
val b: String
val c: String
val d: String
init {
inlineMe {
a = "allowed"
}
crossinlineMe {
<!CAPTURED_VAL_INITIALIZATION!>b<!> = "not allowed"
}
noinlineMe {
<!CAPTURED_VAL_INITIALIZATION!>c<!> = "not allowed"
}
notinline {
<!CAPTURED_VAL_INITIALIZATION!>d<!> = "not allowed"
}
}
}
@kotlin.contracts.ExperimentalContracts
class Test1 {
val a: String = ""
val b: String = ""
val c: String = ""
val d: String = ""
init {
inlineMe {
<!VAL_REASSIGNMENT!>a<!> += "allowed"
}
crossinlineMe {
<!VAL_REASSIGNMENT!>b<!> += "not allowed"
}
noinlineMe {
<!VAL_REASSIGNMENT!>c<!> += "not allowed"
}
notinline {
<!VAL_REASSIGNMENT!>d<!> += "not allowed"
}
}
}
@kotlin.contracts.ExperimentalContracts
class Test2 {
val a: String = ""
val b: String = ""
val c: String = ""
val d: String = ""
init {
var blackhole = ""
inlineMe {
blackhole += a
}
crossinlineMe {
blackhole += b
}
noinlineMe {
blackhole += c
}
notinline {
blackhole += d
}
}
}
@kotlin.contracts.ExperimentalContracts
class Test4 {
val a: String = ""
val b: String = ""
val c: String = ""
val d: String = ""
init {
var <!ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE!>blackhole<!>: String
inlineMe {
blackhole = a
}
crossinlineMe {
blackhole = b
}
noinlineMe {
blackhole = c
}
notinline {
blackhole = d
}
}
}