Files
kotlin-fork/compiler/testData/codegen/box/boxingOptimization/safeCallWithElvisAndEnhancedNullability.kt
T
Ivan Kylchik c7435ba760 Replace all occurrences of WITH_RUNTIME with WITH_STDLIB
We are going to deprecate `WITH_RUNTIME` directive. The main reason
behind this change is that `WITH_STDLIB` directive better describes
its meaning, specifically it will add kotlin stdlib to test's classpath.
2021-11-17 15:26:38 +03:00

51 lines
930 B
Kotlin
Vendored

// TARGET_BACKEND: JVM
// WITH_STDLIB
// FILE: safeCallWithElvisAndEnhancedNullability.kt
import kotlin.test.assertEquals
fun check(a : A?) : Int {
return a?.y?.x ?: (a?.x ?: 3)
}
fun checkLeftAssoc(a : A?) : Int {
return (a?.y?.x ?: a?.x) ?: 3
}
fun box() : String {
val a1 = A(2, A(1, null))
val a2 = A(2, null)
val a3 = null
assertEquals(1, check(a1))
assertEquals(2, check(a2))
assertEquals(3, check(a3))
assertEquals(1, checkLeftAssoc(a1))
assertEquals(2, checkLeftAssoc(a2))
assertEquals(3, checkLeftAssoc(a3))
return "OK"
}
// FILE: A.java
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class A {
private Integer x;
private A y;
public A(Integer x, A y) {
this.x = x;
this.y = y;
}
@NotNull
public Integer getX() { return x; }
@Nullable
public A getY() { return y; }
}