langtools/test/tools/javac/CloneableProblem.java
changeset 10 06bc494ca11e
child 5520 86e4b9a9da40
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/CloneableProblem.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,80 @@
+/*
+ * Copyright 1997 Sun Microsystems, Inc.  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.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 4047816
+ * @summary certain inheritance patterns involving methods defined in
+ *          Object used to cause spurious error messages.
+ * @author turnidge
+ *
+ * @compile CloneableProblem.java
+ */
+
+interface A extends Cloneable
+{
+  public Object clone() throws CloneNotSupportedException;
+}
+interface B extends A
+{ }
+interface C extends A
+{ }
+interface D extends B, C
+{ }
+
+public class CloneableProblem implements D
+{
+  private int i;
+  public CloneableProblem(int i)
+  {
+    this.i = i;
+  }
+  public Object clone()
+  {
+    CloneableProblem theCloneableProblem = null;
+    try
+      {
+        theCloneableProblem = (CloneableProblem) super.clone();
+        theCloneableProblem.i = i;
+      }
+    catch (CloneNotSupportedException cnse)
+      { }
+    return theCloneableProblem;
+  }
+  public static void main(String argv[])
+  {
+    try
+      {
+        A a0 = new CloneableProblem(0);
+        A a1 = (A) a0.clone();
+        B b0 = new CloneableProblem(0);
+        B b1 = (B) b0.clone();
+        C c0 = new CloneableProblem(0);
+        C c1 = (C) c0.clone();
+        D d0 = new CloneableProblem(0);
+        D d1 = (D) d0.clone();
+      }
+    catch (CloneNotSupportedException cnse)
+      { }
+      }
+}