inner classes shadowing: jls 8.5: private classes are not visible in inheritors; all non-private inner classes from superclass and superinterfaces are available (IDEA-67594)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting/InnerClassesShadowing.java

@@ -0,0 +1,70 @@
+public class Main {
+    static interface A
+    {
+        interface B  { }
+    }
+
+    static class D implements A
+    {
+        private interface B { }
+    }
+
+
+    static class C extends D implements A
+    {
+        interface E extends B { }
+        interface E1 extends D.B { }
+        interface E2 extends A.B { }
+    }
+
+}
+
+
+
+class Main1 {
+    static interface A
+    {
+        interface B  { }
+    }
+
+    static class D implements A
+    {
+        interface B { }
+    }
+
+
+    static class C extends D implements A
+    {
+        interface E extends <error descr="Reference to 'B' is ambiguous, both 'Main1.D.B' and 'Main1.A.B' match">B</error> { }
+        interface E1 extends D.B {
+        }
+        interface E2 extends A.B { }
+    }
+
+}
+
+
+interface A
+{
+    interface B  { }
+    interface B1  { }
+}
+
+class D implements A
+{
+    private interface B { }
+    interface B1 { }
+}
+
+
+class C extends D implements A
+{
+    interface E extends B { }
+    interface E1 extends D.<error descr="'D.B' has private access in 'D'">B</error> { }
+    interface E2 extends A.B { }
+
+    interface F extends <error descr="Reference to 'B1' is ambiguous, both 'D.B1' and 'A.B1' match">B1</error> { }
+    interface F1 extends D.B1 { }
+    interface F2 extends A.B1 { }
+
+}