Files
kotlin-fork/compiler/testData/diagnostics/tests/inference/nestedCalls/makeNullableIfSafeCall.kt
T

41 lines
1.3 KiB
Kotlin
Vendored

package a
interface A {
val b: B
val nb: B?
}
interface B {
fun foo(): Int
}
fun test(u: A?, x: A?, y: A?, z: A?, w: A, v: A?) {
u?.b?.foo()!! // was UNNECESSARY_SAFE_CALL everywhere, because result type (of 'foo()') wasn't made nullable
u<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.b<!UNNECESSARY_SAFE_CALL!>?.<!>foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
x?.b!!.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
// x?.b is not null
x<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.b<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
y?.nb?.foo()!!
y<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.nb?.foo()!!
z?.nb!!.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
// z?.nb is not null
z<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.nb!!.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
w.b<!UNNECESSARY_SAFE_CALL!>?.<!>foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
w.b<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
w.nb?.foo()!!
w.nb!!.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
v!!.b.foo()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>
}
fun B?.bar(): Int = 1
fun B?.baz(): Int? = 1
fun doInt(i: Int) = i
fun test(a: A?) {
doInt(a?.b.bar()<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>)
doInt(a?.b.baz()!!)
}