Implement warning when non-abstract classes containing abstract members invisible from that classes

#KT-27825 fixed
2019-11-08 21:09:22 +01:00
parent eae3688c61
commit 808000e458
13 changed files with 370 additions and 2 deletions
@@ -0,0 +1,47 @@
+// !LANGUAGE: +ProhibitInvisibleAbstractMethodsInSuperclasses
+// MODULE: base
+// FILE: Base.kt
+package base
+
+abstract class Base {
+    fun foo(): String {
+        return internalFoo()
+    }
+    internal abstract fun internalFoo(): String
+}
+
+open class BaseWithOverride : Base() {
+    override fun internalFoo(): String = ""
+}
+
+// MODULE: intermediate(base)
+// FILE: Intermediate.kt
+package intermediate
+import base.*
+
+abstract class Intermediate : Base()
+
+// MODULE: impl(base, intermediate)
+// FILE: Impl.kt
+package impl
+import base.*
+import intermediate.*
+
+<!INVISIBLE_ABSTRACT_MEMBER_FROM_SUPER!>class ImplDirectFromBase<!> : Base()
+
+<!INVISIBLE_ABSTRACT_MEMBER_FROM_SUPER!>object ImplObjDirectFromBase<!> : Base()
+
+class ImplDirectFromBaseWithOverride : BaseWithOverride()
+
+class ImplDirectFromBaseWithOverrid : Base() {
+    <!CANNOT_OVERRIDE_INVISIBLE_MEMBER!>override<!> fun internalFoo(): String = ""
+}
+
+<!INVISIBLE_ABSTRACT_MEMBER_FROM_SUPER!>class ImplViaIntermediate<!> : Intermediate()
+
+fun foo() {
+    ImplDirectFromBase().foo()
+    ImplObjDirectFromBase.foo()
+    ImplDirectFromBaseWithOverride().foo()
+    ImplViaIntermediate().foo()
+}