#!/bin/bash
# Copyright (c) 2012, 2018, 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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JAVA="$TESTJAVA/bin/java"
JAVA_OPTS="$TESTJAVAOPTS $TESTVMOPTS"

if echo $JAVA_OPTS $_JAVA_OPTIONS | egrep '\-XX:\+Use[a-zA-Z0-9]+GC'; then
    echo Particular GC is enabled via flags. The test is useless.
    exit 0
fi

log=gcDetails.out
$JAVA $JAVA_OPTS -XX:+UseParallelGC -Xlog:gc* -version >$log

if ! grep PSYoungGen $log; then
    echo Default GC is not Parallel, the test is useless
    exit 0
fi

if grep ParOld $log; then
    echo ParallelOldGC was used by default. Test passed.
    exit 0
else
    echo "ParallelOldGC wasn't used by default. TEST FAILED"
    exit 2
fi
