/*

 * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/* @test

 * @summary Unit test for buffers

 * @bug 4413135 4414911 4416536 4416562 4418782 4471053 4472779 4490253 4523725

 * @modules java.base/java.nio:open

 *          java.base/jdk.internal.misc

 * @author Mark Reinhold

 */

import java.io.PrintStream;

import java.nio.Buffer;

import java.nio.ByteBuffer;

import java.nio.CharBuffer;

public class Basic {

    static PrintStream out = System.err;

    static long ic(int i) {

        int j = i % 54;

        return j + 'a' + ((j > 26) ? 128 : 0);

    }

    static String toString(Buffer b) {

        return (b.getClass().getName()

                + "[pos=" + b.position()

                + " lim=" + b.limit()

                + " cap=" + b.capacity()

                + "]");

    }

    static void show(int level, Buffer b) {

        for (int i = 0; i < level; i++)

            out.print("  ");

        out.println(toString(b) + " " + Integer.toHexString(b.hashCode()));

    }

    static void fail(String s) {

        throw new RuntimeException(s);

    }

    static void fail(String s, Buffer b) {

        throw new RuntimeException(s + ": " + toString(b));

    }

    static void fail(String s, Buffer b, Buffer b2) {

        throw new RuntimeException(s + ": "

                                   + toString(b) + ", " + toString(b2));

    }

    static void fail(Buffer b,

                     String expected, char expectedChar,

                     String got, char gotChar)

    {

        if (b instanceof ByteBuffer) {

            ByteBuffer bb = (ByteBuffer)b;

            int n = Math.min(16, bb.limit());

            for (int i = 0; i < n; i++)

                out.print(" " + Integer.toHexString(bb.get(i) & 0xff));

            out.println();

        }

        if (b instanceof CharBuffer) {

            CharBuffer bb = (CharBuffer)b;

            int n = Math.min(16, bb.limit());

            for (int i = 0; i < n; i++)

                out.print(" " + Integer.toHexString(bb.get(i) & 0xffff));

            out.println();

        }

        throw new RuntimeException(toString(b)

                                   + ": Expected '" + expectedChar + "'=0x"

                                   + expected

                                   + ", got '" + gotChar + "'=0x"

                                   + got);

    }

    static void fail(Buffer b, long expected, long got) {

        fail(b,

             Long.toHexString(expected), (char)expected,

             Long.toHexString(got), (char)got);

    }

    static void ck(Buffer b, boolean cond) {

        if (!cond)

            fail("Condition failed", b);

    }

    static void ck(Buffer b, long got, long expected) {

        if (expected != got)

            fail(b, expected, got);

    }

    static void ck(Buffer b, float got, float expected) {

        if (expected != got)

            fail(b,

                 Float.toString(expected), (char)expected,

                 Float.toString(got), (char)got);

    }

    static void ck(Buffer b, double got, double expected) {

        if (expected != got)

            fail(b,

                 Double.toString(expected), (char)expected,

                 Double.toString(got), (char)got);

    }

    public static void main(String[] args) {

        BasicByte.test();

        BasicChar.test();

        BasicShort.test();

        BasicInt.test();

        BasicLong.test();

        BasicFloat.test();

        BasicDouble.test();

    }

}