130 lines
5.2 KiB
Java
130 lines
5.2 KiB
Java
/*
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* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.lang.management.ManagementFactory;
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import com.sun.management.HotSpotDiagnosticMXBean;
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import jdk.testlibrary.OutputAnalyzer;
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import static jdk.testlibrary.Platform.isSolaris;
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import static jdk.testlibrary.Asserts.assertEquals;
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import static jdk.testlibrary.Asserts.assertNotEquals;
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import static jdk.testlibrary.Asserts.assertTrue;
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/**
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* @test
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* @summary The test sanity checks 'jinfo -flag' option.
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* @library /lib/testlibrary
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* @modules java.management
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* @build jdk.testlibrary.* JInfoHelper
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* @run main/othervm -XX:+HeapDumpOnOutOfMemoryError JInfoRunningProcessFlagTest
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*/
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public class JInfoRunningProcessFlagTest {
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public static void main(String[] args) throws Exception {
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testFlag();
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testFlagPlus();
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testFlagMinus();
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testFlagEqual();
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testInvalidFlag();
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testSolarisSpecificFlag();
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}
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private static void testFlag() throws Exception {
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OutputAnalyzer output = JInfoHelper.jinfo("-flag", "HeapDumpOnOutOfMemoryError");
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output.shouldHaveExitValue(0);
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assertTrue(output.getStderr().isEmpty(), "'jinfo -flag HeapDumpOnOutOfMemoryError' stderr should be empty");
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output.shouldContain("+HeapDumpOnOutOfMemoryError");
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}
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private static void testFlagPlus() throws Exception {
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OutputAnalyzer output = JInfoHelper.jinfo("-flag", "+PrintGC");
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output.shouldHaveExitValue(0);
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output = JInfoHelper.jinfo("-flag", "PrintGC");
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output.shouldHaveExitValue(0);
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output.shouldContain("+PrintGC");
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verifyIsEnabled("PrintGC");
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}
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private static void testFlagMinus() throws Exception {
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OutputAnalyzer output = JInfoHelper.jinfo("-flag", "-PrintGC");
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output.shouldHaveExitValue(0);
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output = JInfoHelper.jinfo("-flag", "PrintGC");
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output.shouldHaveExitValue(0);
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output.shouldContain("-PrintGC");
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verifyIsDisabled("PrintGC");
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}
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private static void testFlagEqual() throws Exception {
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OutputAnalyzer output = JInfoHelper.jinfo("-flag", "PrintGC=1");
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output.shouldHaveExitValue(0);
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output = JInfoHelper.jinfo("-flag", "PrintGC");
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output.shouldHaveExitValue(0);
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output.shouldContain("+PrintGC");
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verifyIsEnabled("PrintGC");
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}
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private static void testInvalidFlag() throws Exception {
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OutputAnalyzer output = JInfoHelper.jinfo("-flag", "monkey");
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assertNotEquals(output.getExitValue(), 0, "A non-zero exit code should be returned for invalid flag");
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}
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private static void testSolarisSpecificFlag() throws Exception {
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if (!isSolaris())
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return;
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OutputAnalyzer output = JInfoHelper.jinfo("-flag", "+ExtendedDTraceProbes");
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output.shouldHaveExitValue(0);
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output = JInfoHelper.jinfo();
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output.shouldContain("+ExtendedDTraceProbes");
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verifyIsEnabled("ExtendedDTraceProbes");
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output = JInfoHelper.jinfo("-flag", "-ExtendedDTraceProbes");
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output.shouldHaveExitValue(0);
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output = JInfoHelper.jinfo();
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output.shouldContain("-ExtendedDTraceProbes");
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verifyIsDisabled("ExtendedDTraceProbes");
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output = JInfoHelper.jinfo("-flag", "ExtendedDTraceProbes");
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output.shouldContain("-ExtendedDTraceProbes");
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output.shouldHaveExitValue(0);
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}
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private static void verifyIsEnabled(String flag) {
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HotSpotDiagnosticMXBean hotspotDiagnostic =
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ManagementFactory.getPlatformMXBean(HotSpotDiagnosticMXBean.class);
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String flagValue = hotspotDiagnostic.getVMOption(flag).getValue();
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assertEquals(flagValue, "true", "Expected '" + flag + "' flag be enabled");
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}
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private static void verifyIsDisabled(String flag) {
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HotSpotDiagnosticMXBean hotspotDiagnostic =
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ManagementFactory.getPlatformMXBean(HotSpotDiagnosticMXBean.class);
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String flagValue = hotspotDiagnostic.getVMOption(flag).getValue();
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assertEquals(flagValue, "false", "Expected '" + flag + "' flag be disabled");
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}
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}
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