/*

 * Copyright (c) 2019, 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.

 *

 * 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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 */

/**

 * @test

 * @bug 8187898

 * @summary Test of writeBytes(byte[])

 */

import java.io.BufferedOutputStream;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.OutputStream;

import java.io.PrintStream;

import java.util.Arrays;

public class WriteBytes {

    public static void main(String[] args) throws Exception {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        OutputStream out = new BufferedOutputStream(baos, 512);

        PrintStream ps = new PrintStream(out, false);

        byte[] buf = new byte[128];

        for (int i = 0; i < buf.length; i++) {

            buf[i] = (byte)i;

        }

        ps.writeBytes(buf);

        assertTrue(baos.size() == 0, "Buffer should not have been flushed");

        ps.close();

        assertTrue(baos.size() == buf.length, "Stream size " + baos.size() +

            " but expected " + buf.length);

        ps = new PrintStream(out, true);

        ps.writeBytes(buf);

        assertTrue(baos.size() == 2*buf.length, "Stream size " + baos.size() +

            " but expected " + 2*buf.length);

        byte[] arr = baos.toByteArray();

        assertTrue(arr.length == 2*buf.length, "Array length " + arr.length +

            " but expected " + 2*buf.length);

        assertTrue(Arrays.equals(buf, 0, buf.length, arr, 0, buf.length),

            "First write not equal");

        assertTrue(Arrays.equals(buf, 0, buf.length, arr, buf.length,

            2*buf.length), "Second write not equal");

        ps.close();

        ps.writeBytes(buf);

        assertTrue(ps.checkError(), "Error condition should be true");

    }

    private static void assertTrue(boolean condition, String msg) {

        if (!condition)

            throw new RuntimeException(msg);

    }

}