1 #!/bin/sh

     2 

     3 #

     4 # Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.

     5 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     6 #

     7 # This code is free software; you can redistribute it and/or modify it

     8 # under the terms of the GNU General Public License version 2 only, as

     9 # published by the Free Software Foundation.

    10 #

    11 # This code is distributed in the hope that it will be useful, but WITHOUT

    12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14 # version 2 for more details (a copy is included in the LICENSE file that

    15 # accompanied this code).

    16 #

    17 # You should have received a copy of the GNU General Public License version

    18 # 2 along with this work; if not, write to the Free Software Foundation,

    19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20 #

    21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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

    23 # questions.

    24 #

    25 

    26 # @test

    27 # @bug 4627316 6743526

    28 # @summary Test option to limit direct memory allocation

    29 #

    30 # @requires (os.arch == "x86_64") | (os.arch == "amd64") | (os.arch == "sparcv9")

    31 # @build LimitDirectMemory

    32 # @run shell LimitDirectMemory.sh

    33 

    34 TMP1=tmp_$$

    35 

    36 runTest() {

    37   echo "Testing: $*"

    38   ${TESTJAVA}/bin/java ${TESTVMOPTS} $*

    39   if [ $? -eq 0 ]

    40   then echo "--- passed as expected"

    41   else

    42     echo "--- failed"

    43     exit 1

    44   fi

    45 }

    46 

    47 

    48 launchFail() {

    49   echo "Testing: -XX:MaxDirectMemorySize=$* -cp ${TESTCLASSES} \

    50      LimitDirectMemory true DEFAULT DEFAULT+1M"

    51   ${TESTJAVA}/bin/java ${TESTVMOPTS} -XX:MaxDirectMemorySize=$* -cp ${TESTCLASSES} \

    52      LimitDirectMemory true DEFAULT DEFAULT+1M > ${TMP1} 2>&1

    53   cat ${TMP1}

    54   cat ${TMP1} | grep -s "Unrecognized VM option: \'MaxDirectMemorySize="

    55   if [ $? -ne 0 ]

    56     then echo "--- failed as expected"

    57   else

    58     echo "--- failed"

    59     exit 1

    60   fi

    61 }

    62 

    63 # $java LimitDirectMemory throwp fill_direct_memory size_per_buffer

    64 

    65 # Memory is properly limited using multiple buffers.

    66 runTest -XX:MaxDirectMemorySize=10 -cp ${TESTCLASSES} LimitDirectMemory true 10 1

    67 runTest -XX:MaxDirectMemorySize=1k -cp ${TESTCLASSES} LimitDirectMemory true 1k 100

    68 runTest -XX:MaxDirectMemorySize=10m -cp ${TESTCLASSES} LimitDirectMemory true 10m 10m

    69 

    70 # We can increase the amount of available memory.

    71 runTest -XX:MaxDirectMemorySize=65M -cp ${TESTCLASSES} \

    72   LimitDirectMemory false 64M 65M

    73 

    74 # Exactly the default amount of memory is available.

    75 runTest -cp ${TESTCLASSES} LimitDirectMemory false 10 1

    76 runTest -Xmx64m -cp ${TESTCLASSES} LimitDirectMemory false 0 DEFAULT

    77 runTest -Xmx64m -cp ${TESTCLASSES} LimitDirectMemory true 0 DEFAULT+1

    78 

    79 # We should be able to eliminate direct memory allocation entirely.

    80 runTest -XX:MaxDirectMemorySize=0 -cp ${TESTCLASSES} LimitDirectMemory true 0 1

    81 

    82 # Setting the system property should not work so we should be able to allocate

    83 # the default amount.

    84 runTest -Dsun.nio.MaxDirectMemorySize=1K -Xmx64m -cp ${TESTCLASSES} \

    85   LimitDirectMemory false DEFAULT-1 DEFAULT/2

    86 

    87 # Various bad values fail to launch the VM.

    88 launchFail foo

    89 launchFail 10kmt

    90 launchFail -1

    91 

    92 # Clean-up

    93 rm ${TMP1}