test/jdk/java/util/Collections/ReplaceAll.java

@@ -1,7 +1,7 @@
  /*
-  * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+  * Copyright (c) 2000, 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.

@@ -23,12 +23,14 @@
  
  /*
   * @test
   * @bug 4323074
   * @summary Basic test for new replaceAll algorithm
+  * @library /test/lib
   */
  
+ import jdk.test.lib.valueclass.VClass;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.LinkedList;
  import java.util.List;
  import java.util.Vector;

@@ -55,7 +57,14 @@
                      throw new Exception("Wrong change:"+i+", "+j);
              }
              if (Collections.replaceAll(lst, "love", "hate"))
                  throw new Exception("True return value: "+i);
          }
+ 
+         List<VClass> values = new ArrayList<>();
+         for (int j = 1; j <= SIZE; j++) values.add(new VClass(j % 3, new int[] { j % 3 }));
+         if (!Collections.replaceAll(values, new VClass(1, new int[] { 1 }), new VClass(99, new int[] { 99 })))
+             throw new Exception("value false return");
+         if (Collections.replaceAll(values, new VClass(100, new int[] { 100 }), new VClass(0, new int[] { 0 })))
+             throw new Exception("value true return for absent element");
      }
  }