lookup.sh

#!/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
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#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# version 2 for more details (a copy is included in the LICENSE file that
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# 2 along with this work; if not, write to the Free Software Foundation,
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#


# @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 ${TESTVMOPTS} -Djava.net.preferIPv4Stack=true Lookup -q=PTR $ADDR`
echo "(IPv4) $ADDR --> $OUT1"


# reverse lookup (default)
echo ''
OUT2=`$JAVA ${TESTVMOPTS} 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