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0N/A */
0N/A
0N/A/* @test
0N/A * @summary Verify that ClassCastException is thrown when deserializing
0N/A * an object and one of its object fields is incompatibly replaced
0N/A * by either replaceObject/resolveObject.
0N/A *
0N/A */
0N/Aimport java.io.*;
0N/A
0N/Aclass A implements Serializable {}
0N/A
0N/Aclass B implements Serializable {}
0N/A
0N/Aclass Container implements Serializable {
0N/A A a = new A();
0N/A}
0N/A
0N/Aclass ReplacerObjectOutputStream extends ObjectOutputStream {
0N/A static B b = new B();
0N/A public ReplacerObjectOutputStream(OutputStream out) throws IOException {
0N/A super(out);
0N/A enableReplaceObject(true);
0N/A }
0N/A
0N/A protected Object replaceObject(Object obj) throws IOException {
0N/A if(obj instanceof A) {
0N/A System.err.println("replaceObject(" + obj.toString() + ") with " +
0N/A b.toString());
0N/A return b;
0N/A } else return obj;
0N/A }
0N/A}
0N/A
0N/Apublic class BadSubstByReplace {
0N/A public static void main(String args[]) throws IOException, ClassNotFoundException {
0N/A Container c = new Container();
0N/A ByteArrayOutputStream baos = new ByteArrayOutputStream();
0N/A ReplacerObjectOutputStream out = new ReplacerObjectOutputStream(baos);
0N/A out.writeObject(c);
0N/A out.close();
0N/A ObjectInputStream in =
0N/A new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
0N/A try {
0N/A c = (Container)in.readObject(); // throws IllegalArgumentException.
0N/A throw new Error("Should have thrown ClassCastException");
0N/A } catch ( ClassCastException e) {
0N/A System.err.println("Caught expected exception " + e.toString());
0N/A e.printStackTrace();
0N/A } finally {
0N/A in.close();
0N/A }
0N/A }
0N/A}