first member in call chains should not have parameters (IDEA-110961)

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

@@ -284,7 +284,9 @@ public class ReferenceExpressionCompletionContributor {
       final PsiType expectedType = parameters.getExpectedType();
       if (!OBJECT_METHOD_PATTERN.accepts(object) || allowGetClass(object, parameters)) {
         if (parameters.getParameters().getInvocationCount() >= 3 || !itemType.equalsToText(CommonClassNames.JAVA_LANG_STRING)) {
-          addChainedCallVariants(element, baseItem, result, itemType, expectedType, parameters);
+          if (!(object instanceof PsiMethod && ((PsiMethod)object).getParameterList().getParametersCount() > 0)) {
+            addChainedCallVariants(element, baseItem, result, itemType, expectedType, parameters);
+          }
         }
       }
 

java/java-tests/testData/codeInsight/completion/smartType/second/FirstMethodWithParams.java

@@ -0,0 +1,15 @@
+class Bar {
+  Goo getGoo(int a);
+  Goo getGoo2(int a);
+}
+class Goo {}
+
+class Foo {
+  Bar getBar() {}
+  Bar getBar(int a) {}
+
+
+  {
+    Goo g = <caret>
+  }
+}

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

@@ -38,6 +38,10 @@ public class SecondSmartTypeCompletionTest extends LightFixtureCompletionTestCas
     configure();
     assertStringItems("b.getGoo", "getBar().getGoo");
   }
+  public void testFirstMethodWithParams() throws Throwable {
+    configure();
+    assertStringItems("getBar().getGoo", "getBar().getGoo2");
+  }
 
   public void testSuggestArraysAsList() throws Throwable { doTest(); }
   public void testSuggestArraysAsListWildcard() throws Throwable { doTest(); }