Fix "Extract variable" for anonymous object suggests name "nonameprovided" (KT-4813)

#KT-4813 Fixed

idea/src/org/jetbrains/jet/plugin/refactoring/JetNameSuggester.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2013 JetBrains s.r.o.
+ * Copyright 2010-2014 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -182,7 +182,9 @@ public class JetNameSuggester {
         ClassDescriptor classDescriptor = TypeUtils.getClassDescriptor(jetType);
         if (classDescriptor != null) {
             Name className = classDescriptor.getName();
-            addCamelNames(result, className.asString(), validator);
+            if (!className.isSpecial()) {
+                addCamelNames(result, className.asString(), validator);
+            }
         }
     }
 

idea/testData/refactoring/nameSuggester/AnonymousObject.kt

@@ -0,0 +1,9 @@
+// KT-4813
+
+fun foo() {
+    <selection>object {}</selection>
+}
+
+/*
+value
+*/

idea/testData/refactoring/nameSuggester/AnonymousObjectWithSuper.kt

@@ -0,0 +1,11 @@
+// KT-4813
+
+trait A
+
+fun foo() {
+    <selection>object: A {}</selection>
+}
+
+/*
+value
+*/

idea/testData/refactoring/nameSuggester/ArrayOfObjectsType.kt

@@ -0,0 +1,9 @@
+fun test() = array(object {})
+
+fun foo() {
+    <selection>test()</selection>
+}
+
+/*
+test
+*/

idea/tests/org/jetbrains/jet/plugin/refactoring/nameSuggester/JetNameSuggesterTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2013 JetBrains s.r.o.
+ * Copyright 2010-2014 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -66,6 +66,18 @@ public class JetNameSuggesterTest extends LightCodeInsightFixtureTestCase {
         doTest();
     }
 
+    public void testAnonymousObject() {
+        doTest();
+    }
+
+    public void testAnonymousObjectWithSuper() {
+        doTest();
+    }
+
+    public void testArrayOfObjectsType() {
+        doTest();
+    }
+
     @Override
     protected void setUp() throws Exception {
         super.setUp();