| #!/bin/sh |
| |
| # |
| # Copyright (c) 2002, 2010, 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. |
| # |
| # 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 |
| # @bug 4627316 6743526 |
| # @summary Test option to limit direct memory allocation |
| # |
| # @build LimitDirectMemory |
| # @run shell LimitDirectMemory.sh |
| |
| TMP1=tmp_$$ |
| |
| runTest() { |
| echo "Testing: $*" |
| ${TESTJAVA}/bin/java ${TESTVMOPTS} $* |
| if [ $? -eq 0 ] |
| then echo "--- passed as expected" |
| else |
| echo "--- failed" |
| exit 1 |
| fi |
| } |
| |
| |
| launchFail() { |
| echo "Testing: -XX:MaxDirectMemorySize=$* -cp ${TESTCLASSES} \ |
| LimitDirectMemory true DEFAULT DEFAULT+1M" |
| ${TESTJAVA}/bin/java ${TESTVMOPTS} -XX:MaxDirectMemorySize=$* -cp ${TESTCLASSES} \ |
| LimitDirectMemory true DEFAULT DEFAULT+1M > ${TMP1} 2>&1 |
| cat ${TMP1} |
| cat ${TMP1} | grep -s "Unrecognized VM option: \'MaxDirectMemorySize=" |
| if [ $? -ne 0 ] |
| then echo "--- failed as expected" |
| else |
| echo "--- failed" |
| exit 1 |
| fi |
| } |
| |
| # $java LimitDirectMemory throwp fill_direct_memory size_per_buffer |
| |
| # Memory is properly limited using multiple buffers. |
| runTest -XX:MaxDirectMemorySize=10 -cp ${TESTCLASSES} LimitDirectMemory true 10 1 |
| runTest -XX:MaxDirectMemorySize=1k -cp ${TESTCLASSES} LimitDirectMemory true 1k 100 |
| runTest -XX:MaxDirectMemorySize=10m -cp ${TESTCLASSES} LimitDirectMemory true 10m 10m |
| |
| # We can increase the amount of available memory. |
| runTest -XX:MaxDirectMemorySize=65M -cp ${TESTCLASSES} \ |
| LimitDirectMemory false 64M 65M |
| |
| # Exactly the default amount of memory is available. |
| runTest -cp ${TESTCLASSES} LimitDirectMemory false 10 1 |
| runTest -Xmx64m -cp ${TESTCLASSES} LimitDirectMemory false 0 DEFAULT |
| runTest -Xmx64m -cp ${TESTCLASSES} LimitDirectMemory true 0 DEFAULT+1 |
| |
| # We should be able to eliminate direct memory allocation entirely. |
| runTest -XX:MaxDirectMemorySize=0 -cp ${TESTCLASSES} LimitDirectMemory true 0 1 |
| |
| # Setting the system property should not work so we should be able to allocate |
| # the default amount. |
| runTest -Dsun.nio.MaxDirectMemorySize=1K -Xmx64m -cp ${TESTCLASSES} \ |
| LimitDirectMemory false DEFAULT-1 DEFAULT/2 |
| |
| # Various bad values fail to launch the VM. |
| launchFail foo |
| launchFail 10kmt |
| launchFail -1 |
| |
| # Clean-up |
| rm ${TMP1} |