jdk-24/test/jdk/java/io/Serializable/oldTests/WritePrimitive.java

/*
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 * 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.
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 * questions.
 */

/* @test
 * @bug 8276806 8278463
 * @summary it is a new version of an old test which was
 *          /src/share/test/serialization/piotest.java
 *          Test of serialization/deserialization of
 *          primitives
 *
 * @build PrimitivesTest
 * @run main WritePrimitive
 */

import java.io.*;
import java.util.Arrays;

public class WritePrimitive {
    public static void main (String argv[]) throws IOException {
        System.err.println("\nRegression test for testing of " +
            "serialization/deserialization of primitives \n");
        int i = 123456;
        byte b = 12;
        short s = 45;
        char c = 'A';
        long l = 1234567890000L;
        float f = 3.14159f;
        double d = f * 2;
        boolean z = true;
        String string = "The String";
        PrimitivesTest prim = new PrimitivesTest();
        byte[] ba = {1, 2, 3, 4, 5, 6, 7};  // byte array to write

        byte[] bytes;
        try (ByteArrayOutputStream ostream = new ByteArrayOutputStream();
             ObjectOutputStream p = new ObjectOutputStream(ostream)) {

            p.writeInt(i);
            p.writeByte(b);
            p.writeShort(s);
            p.writeChar(c);
            p.writeLong(l);
            p.writeFloat(f);
            p.writeDouble(d);
            p.writeBoolean(z);
            p.write(ba); // for simple read(byte[])
            p.write(ba); // for readFully(byte[])
            p.write(ba, 0, ba.length - 2); // for readFully(byte[], 0, 7)
            p.writeUTF(string);
            p.writeObject(string);

            p.writeObject(prim);
            p.flush();
            bytes = ostream.toByteArray();

        }

        ByteArrayInputStream istream = new ByteArrayInputStream(bytes);
        try (ObjectInputStream q = new ObjectInputStream(istream);) {

            int i_u = q.readInt();
            byte b_u = q.readByte();
            short s_u = q.readShort();
            char c_u = q.readChar();
            long l_u = q.readLong();
            float f_u = q.readFloat();
            double d_u = q.readDouble();
            boolean z_u = q.readBoolean();
            byte[] ba_readBuf = new byte[ba.length];
            int ba_readLen = q.read(ba_readBuf);
            byte[] ba_readFullyBuf = new byte[ba.length];
            int ba_readFullyLen = q.read(ba_readFullyBuf);
            byte[] ba_readFullySizedBuf = new byte[ba.length];
            int ba_readFullySizedLen = q.read(ba_readFullySizedBuf, 0, ba.length - 2);
            String string_utf = q.readUTF();
            String string_u = (String)q.readObject();
            if (i != i_u) {
                System.err.println("\nint:  expected " + i + " actual " +i_u);
                throw new Error();
            }
            if (b != b_u) {
                System.err.println("\nbyte:  expected " + b + " actual " +b_u);
                throw new Error();
            }
            if (s != s_u) {
                System.err.println("\nshort:  expected " + s + " actual " +
                                   s_u);
                throw new Error();
            }
            if (c != c_u) {
                System.err.println("\nchar:  expected " + c + " actual " +
                                   c_u);
                throw new Error();
            }
            if (l != l_u) {
                System.err.println("\nlong:  expected " + l + " actual " +
                                   l_u);
                throw new Error();
            }
            if (f != f_u) {
                System.err.println("\nfloat:  expected " + f + " actual " +
                                   f_u);
                throw new Error();
            }
            if (d != d_u) {
                System.err.println("\ndouble:  expected " + d + " actual " +
                                   d_u);
                throw new Error();
            }
            if (z != z_u) {
                System.err.println("\nboolean:  expected " + z + " actual " +
                                   z_u);
                throw new Error();
            }
            checkArray("read(byte[])", ba, ba.length, ba_readBuf, ba_readLen);
            checkArray("readFully(byte[])", ba, ba.length, ba_readFullyBuf, ba_readFullyLen);
            checkArray("readFully(byte[], off, len)", ba, ba.length - 2, ba_readFullySizedBuf, ba_readFullySizedLen);

            if (!string.equals(string_utf)) {
                System.err.println("\nString:  expected " + string +
                                   " actual " + string_utf);
                throw new Error();
            }
            if (!string.equals(string_u)) {
                System.err.println("\nString:  expected " + string +
                                   " actual " + string_u);
                throw new Error();
            }

            PrimitivesTest prim_u = (PrimitivesTest)q.readObject();
            if (!prim.equals(prim_u)) {
                System.err.println("\nTEST FAILED: Read primitive object " +
                    "correctly = " + false);
                System.err.println("\n " + prim);
                System.err.println("\n " + prim_u);
                throw new Error();
            }
            System.err.println("\nTEST PASSED");
        } catch (Exception e) {
            System.err.print("TEST FAILED: ");
            e.printStackTrace();

            System.err.println("\nBytes read: " + (bytes.length - istream.available()) +
                    ", Input remaining: " + istream.available());
            int ch;
            try {
                while ((ch = istream.read()) != -1) {
                    System.err.print("\n " + Integer.toString(ch, 16)+ " ");
                }
                System.out.println("\n ");
            } catch (Exception fex) {
                throw new Error();
            }
            throw new Error();
        }
    }

    static void checkArray(String label, byte[] expected, int expectedLen, byte[] actual, int actualLen) {
        int mismatch = Arrays.mismatch(expected, 0, expectedLen, actual, 0, actualLen);
        if (actualLen != expectedLen || mismatch >= 0) {
            System.err.println("\n" + label + ":  expected " + expectedLen + " actual " + actualLen + ", mismatch: " + mismatch);
            throw new Error();
        }
    }
}