test/jdk/java/util/Collections/CheckedSetBash.java

*** 1,7 ***
  /*
!  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ---
  /*
!  * Copyright (c) 2003, 2026, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.

*** 24,14 ***
  /*
   * @test
   * @bug     4904067 7129185
   * @summary Unit test for Collections.checkedSet
   * @author  Josh Bloch
-  * @run testng CheckedSetBash
   * @key randomness
   */
  
  import org.testng.annotations.DataProvider;
  import org.testng.annotations.Test;
  
  import java.util.ArrayList;
  import java.util.Arrays;
--- 24,16 ---
  /*
   * @test
   * @bug     4904067 7129185
   * @summary Unit test for Collections.checkedSet
   * @author  Josh Bloch
   * @key randomness
+  * @library /test/lib
+  * @run testng CheckedSetBash
   */
  
+ import jdk.test.lib.valueclass.VClass;
  import org.testng.annotations.DataProvider;
  import org.testng.annotations.Test;
  
  import java.util.ArrayList;
  import java.util.Arrays;

*** 175,6 ***
--- 177,23 ---
              {"Collections.checkedNavigableSet(TreeSet.descendingSet())",
               (Supplier) () -> Collections.checkedNavigableSet(new TreeSet().descendingSet(), Integer.class)},
          };
          return Arrays.asList(params);
      }
+ 
+     @Test
+     public static void testValueCheckedSet() {
+         Set<VClass> s = Collections.checkedSet(new HashSet<>(), VClass.class);
+         s.add(new VClass(1, new int[] { 1 }));
+         s.add(new VClass(2, new int[] { 2 }));
+         if (!s.contains(new VClass(1, new int[] { 1 })))
+             fail("value checkedSet lookup failed");
+         Set<VClass> copy = Collections.checkedSet(new HashSet<>(), VClass.class);
+         copy.addAll(Arrays.asList(s.toArray(new VClass[0])));
+         if (!s.equals(copy))
+             fail("value checkedSet addAll failed");
+         try {
+             ((Set) s).add("not a Tuple");
+             fail("value checkedSet accepted wrong type");
+         } catch (ClassCastException expected) { }
+     }
  }