don't classes by ( not after new, don't insert space when completing an already typed variable name by comma

java/java-tests/testSrc/com/intellij/codeInsight/completion/JavaAutoPopupTest.groovy

@@ -666,4 +666,28 @@ class Foo {
     assert myFixture.editor.document.text.contains('iter ')
   }
 
+  public void testNewClassParenthesis() {
+    myFixture.configureByText("a.java", """ class Foo { { new <caret> } } """)
+    type 'fil('
+    assert myFixture.editor.document.text.contains('new File()')
+  }
+
+  public void testUnknownMethodParenthesis() {
+    myFixture.configureByText("a.java", """ class Foo { { <caret> } } """)
+    type 'filinpstr('
+    assert myFixture.editor.document.text.contains('filinpstr()')
+  }
+
+  public void testNonFinishedParameterComma() {
+    myFixture.configureByText("a.java", """ class Foo { void foo(int aaa, int aaaaa) { foo(<caret>) } } """)
+    type 'a,'
+    assert myFixture.editor.document.text.contains('foo(aaa, )')
+  }
+
+  public void testFinishedParameterComma() {
+    myFixture.configureByText("a.java", """ class Foo { void foo(int aaa, int aaaaa) { foo(<caret>) } } """)
+    type 'aaa,'
+    assert myFixture.editor.document.text.contains('foo(aaa,)')
+  }
+
 }