Completion for java inner class names

idea/testData/completion/basic/multifile/JavaInnerClasses.java

@@ -0,0 +1,5 @@
+public final class R {
+    public static final class layout {
+        public static final int main=0x7f020000;
+    }
+}

idea/testData/completion/basic/multifile/JavaInnerClasses.kt

@@ -0,0 +1,5 @@
+fun main(args: Array<String>) {
+    println(R.<caret>)
+}
+
+// EXIST: layout

idea/tests/org/jetbrains/jet/completion/JetCompletionMultiTestBase.java

@@ -27,11 +27,12 @@ public abstract class JetCompletionMultiTestBase extends CompletionTestCase {
 
     /**
      * @param completionLevel {@see CompletionParameters.getInvocationCount()} javadoc
+     * @param fileNameList
      * @throws Exception
      */
-    protected void doFileTest(int completionLevel) {
+    protected void doFileTest(int completionLevel, String[] fileNameList) {
         try {
-            configureByFiles(null, getFileNameList());
+            configureByFiles(null, fileNameList);
             complete(completionLevel);
 
             final String fileText = getFile().getText();
@@ -49,7 +50,11 @@ public abstract class JetCompletionMultiTestBase extends CompletionTestCase {
         }
     }
 
+    protected void doFileTest(int completionLevel) {
+        doFileTest(completionLevel, getFileNameList());
+    }
+
     protected void doFileTest() {
-        doFileTest(1);
+        doFileTest(1, getFileNameList());
     }
 }

idea/tests/org/jetbrains/jet/completion/JetMultifileBasicCompletionTest.java

@@ -43,6 +43,11 @@ public class JetMultifileBasicCompletionTest extends JetCompletionMultiTestBase
         doFileTest();
     }
 
+    public void testJavaInnerClasses() throws Exception {
+        String fileName = getTestName(false);
+        doFileTest(1, new String[] {fileName + ".kt", fileName + ".java"});
+    }
+
     public void testNotImportedExtensionFunction() throws Exception {
         doFileTest();
     }