1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5  * This code is free software; you can redistribute it and/or modify it
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9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
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22  */
23 
24 /* @test
25  * @summary it is new version of old test which was
26  *          /src/share/test/serialization/piotest.java
27  *          Test of serialization/deserialization of
28  *          objects with BinaryTree types
29  */
30 
31 import java.io.*;
32 
33 public class BinaryTree {
main(String argv[])34     public static void main (String argv[]) {
35         System.err.println("\nRegression test for testing of " +
36             "serialization/deserialization of objects " +
37             "with BinaryTree types \n");
38 
39         try {
40             BinaryTreeTest base = new BinaryTreeTest(2);
41             FileOutputStream ostream = new FileOutputStream("piotest3.tmp");
42             try {
43                 ObjectOutputStream p = new ObjectOutputStream(ostream);
44                 p.writeObject(null);
45                 p.writeObject(base);
46                 p.flush();
47             } finally {
48                 ostream.close();
49             }
50 
51             FileInputStream istream = new FileInputStream("piotest3.tmp");
52             try {
53                 ObjectInputStream q = new ObjectInputStream(istream);
54                 Object n = q.readObject();
55                 if (n != null) {
56                     System.err.println("\nnull read as " + n);
57                 }
58                 BinaryTreeTest nbase = (BinaryTreeTest)q.readObject();
59                 if (!base.equals(nbase)) {
60                     System.err.println("\nTEST FAILED: BinaryTree read " +
61                         "incorrectly.");
62                     throw new Error();
63                 }
64             } finally {
65                 istream.close();
66             }
67 
68             System.err.println("\nTEST PASSED");
69         } catch (Exception e) {
70             System.err.print("TEST FAILED: ");
71             e.printStackTrace();
72             throw new Error();
73         }
74     }
75 }
76 
77 class BinaryTreeTest implements java.io.Serializable {
78     private static final long serialVersionUID = 1L;
79 
80     public BinaryTreeTest left;
81     public BinaryTreeTest right;
82     public int id;
83     public int level;
84 
85     private static int count = 0;
86 
BinaryTreeTest(int l)87     public BinaryTreeTest(int l) {
88         id = count++;
89         level = l;
90         if (l > 0) {
91             left = new BinaryTreeTest(l-1);
92             right = new BinaryTreeTest(l-1);
93         }
94     }
95 
print(int levels)96     public void print(int levels) {
97         for (int i = 0; i < level; i++) {
98             System.out.print("  ");
99         }
100         System.err.println("node " + id);
101 
102         if (level <= levels && left != null) {
103             left.print(levels);
104         }
105 
106         if (level <= levels && right != null) {
107             right.print(levels);
108         }
109     }
110 
equals(BinaryTreeTest other)111     public boolean equals(BinaryTreeTest other) {
112         if (other == null) {
113             return false;
114         }
115 
116         if (id != other.id) {
117             return false;
118         }
119 
120         if (left != null && !left.equals(other.left)) {
121             return false;
122         }
123 
124         if (right != null && !right.equals(other.right)) {
125             return false;
126         }
127 
128         return true;
129     }
130 }
131