Collections.emptyList should accept the qualified prefix

java/java-impl/src/com/intellij/codeInsight/completion/JavaMethodCallElement.java

@@ -212,6 +212,17 @@ public class JavaMethodCallElement extends LookupItem<PsiMethod> implements Type
     return builder.append(">").toString();
   }
 
+  @Override
+  public LookupItem<PsiMethod> forceQualify() {
+    if (myContainingClass != null) {
+      String className = myContainingClass.getName();
+      if (className != null) {
+        addLookupStrings(className + "." + myMethod.getName());
+      }
+    }
+    return super.forceQualify();
+  }
+
   @Override
   public void renderElement(LookupElementPresentation presentation) {
     final String className = myContainingClass == null ? "???" : myContainingClass.getName();

java/java-tests/testData/codeInsight/completion/smartType/EmptyListWithCollectionsPrefix-out.java

@@ -0,0 +1,7 @@
+import java.util.Collections;
+
+class Foo {
+  java.util.List<String> foo() {
+    return Collections.emptyList();<caret>
+  }
+}

java/java-tests/testData/codeInsight/completion/smartType/EmptyListWithCollectionsPrefix.java

@@ -0,0 +1,5 @@
+class Foo {
+  java.util.List<String> foo() {
+    return Collect<caret>;
+  }
+}

java/java-tests/testSrc/com/intellij/codeInsight/completion/SmartTypeCompletionTest.java

@@ -884,25 +884,17 @@ public class SmartTypeCompletionTest extends LightFixtureCompletionTestCase {
     assertEquals(4, myItems.length);
   }
 
-  public void testInsertTypeParametersOnImporting() throws Throwable {
-    doTest();
-  }
+  public void testInsertTypeParametersOnImporting() throws Throwable { doTest(); }
 
-  public void testEmptyListInReturn() throws Throwable {
-    doItemTest();
-  }
+  public void testEmptyListInReturn() throws Throwable { doItemTest(); }
 
-  public void testEmptyListInReturn2() throws Throwable {
-    doTest();
-  }
+  public void testEmptyListInReturn2() throws Throwable { doTest(); }
 
-  public void testEmptyListInReturnTernary() throws Throwable {
-    doItemTest();
-  }
+  public void testEmptyListInReturnTernary() throws Throwable { doItemTest(); }
 
-  public void testEmptyListBeforeSemicolon() throws Throwable {
-    doItemTest();
-  }
+  public void testEmptyListBeforeSemicolon() throws Throwable { doItemTest(); }
+
+  public void testEmptyListWithCollectionsPrefix() throws Throwable { doItemTest(); }
 
   public void testStaticallyImportedMagicMethod() throws Throwable {
     configureByTestName();