test/java/util/Collections/EmptyIterator.java

rev 5551 : 8004928: TEST_BUG: Reduce dependence of CoreLib tests from the AWT subsystem
Summary: the tests were refactored to drop AWT dependence where it was possible.
Reviewed-by: alanb, mchung

*** 21,36 ****
   * questions.
   */
  
  /*
   * @test
!  * @bug 5017904 6356890
   * @summary Test empty iterators, enumerations, and collections
   */
  
- import java.util.*;
  import static java.util.Collections.*;
  
  public class EmptyIterator {
  
      void test(String[] args) throws Throwable {
          testEmptyCollection(Collections.<Object>emptyList());
--- 21,36 ----
   * questions.
   */
  
  /*
   * @test
!  * @bug 5017904 6356890 8004928
   * @summary Test empty iterators, enumerations, and collections
   */
  
  import static java.util.Collections.*;
+ import java.util.*;
  
  public class EmptyIterator {
  
      void test(String[] args) throws Throwable {
          testEmptyCollection(Collections.<Object>emptyList());
*** 45,59 ****
          testEmptyEnumeration(emptyTable.elements());
          testEmptyIterator(emptyTable.keySet().iterator());
          testEmptyIterator(emptyTable.values().iterator());
          testEmptyIterator(emptyTable.entrySet().iterator());
  
!         testEmptyEnumeration(javax.swing.tree.DefaultMutableTreeNode
!                              .EMPTY_ENUMERATION);
!         testEmptyEnumeration(javax.swing.text.SimpleAttributeSet
!                              .EMPTY.getAttributeNames());
  
          @SuppressWarnings("unchecked") Iterator<?> x =
              new sun.tools.java.MethodSet()
              .lookupName(sun.tools.java.Identifier.lookup(""));
          testEmptyIterator(x);
      }
--- 45,62 ----
          testEmptyEnumeration(emptyTable.elements());
          testEmptyIterator(emptyTable.keySet().iterator());
          testEmptyIterator(emptyTable.values().iterator());
          testEmptyIterator(emptyTable.entrySet().iterator());
  
!         final Enumeration<EmptyIterator> finalEmptyTyped =
!             Collections.emptyEnumeration();
!         testEmptyEnumeration(finalEmptyTyped);
  
+         final Enumeration finalEmptyAbstract =
+             Collections.emptyEnumeration();
+         testEmptyEnumeration(finalEmptyAbstract);
+ 
          @SuppressWarnings("unchecked") Iterator<?> x =
              new sun.tools.java.MethodSet()
              .lookupName(sun.tools.java.Identifier.lookup(""));
          testEmptyIterator(x);
      }