Files
kotlin/compiler/testData/diagnostics/tests/nullabilityAndSmartCasts/QualifiedExpressionNullability.kt
2014-10-01 18:52:52 +04:00

31 lines
1.1 KiB
Kotlin

// !DIAGNOSTICS: -DEBUG_INFO_SMARTCAST
class Foo {
fun foo(a: Foo): Foo = a
}
fun main(args : Array<String>) {
val x: Foo? = null
val y: Foo? = null
x<!UNSAFE_CALL!>.<!>foo(<!TYPE_MISMATCH!>y<!>)
x!!.foo(<!TYPE_MISMATCH!>y<!>)
x.foo(y!!)
x<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.foo(y<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>)
val a: Foo? = null
val b: Foo? = null
val c: Foo? = null
a<!UNSAFE_CALL!>.<!>foo(b<!UNSAFE_CALL!>.<!>foo(<!TYPE_MISMATCH!>c<!>))
a!!.foo(b<!UNSAFE_CALL!>.<!>foo(<!TYPE_MISMATCH!>c<!>))
a.foo(b!!.foo(<!TYPE_MISMATCH!>c<!>))
a<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.foo(b<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.foo(<!TYPE_MISMATCH!>c<!>))
a.foo(b.foo(c!!))
a<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.foo(b.foo(c<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>))
a.foo(b<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.foo(c<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>))
a<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.foo(b<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>.foo(c<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>))
val z: Foo? = null
z!!.foo(z<!UNNECESSARY_NOT_NULL_ASSERTION!>!!<!>)
}