#!/bin/sh

#

# Copyright (c) 2002, 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).

#

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# 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 4773521

# @build Lookup

# @run shell lookup.sh

# @summary Test that reverse lookups of IPv4 addresses work when IPv6

#          is enabled. 

# The host that we try to resolve

HOST=javaweb.sfbay.sun.com

CLASSPATH=${TESTCLASSES}

export CLASSPATH

JAVA="${TESTJAVA}/bin/java"

# First check that host resolves to IPv4 address.

echo ''

ADDR=`$JAVA -Djava.net.preferIPv4Stack=true Lookup -q=A $HOST`

if [ $? != 0 ]; then

    echo "$HOST can't be resolved - test skipped."

    exit 0

fi

echo "$HOST --> $ADDR"

# IPv4 reverse lookup

echo ''

OUT1=`$JAVA -Djava.net.preferIPv4Stack=true Lookup -q=PTR $ADDR`

echo "(IPv4) $ADDR --> $OUT1"

# reverse lookup (default)

echo ''

OUT2=`$JAVA Lookup -q=PTR $ADDR`

echo "(default) $ADDR --> $OUT2"

# Compare results

if [ "$OUT1" != "$OUT2" ]; then

    echo ''

    echo "Mistmatch between default and java.net.preferIPv4Stack=true results"

    exit 1

fi