100 lines
4.4 KiB
Java
100 lines
4.4 KiB
Java
/*
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* Copyright (c) 2014, 2020, 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.
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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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*/
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/*
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* @test
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* @summary If -Djava.system.class.loader=xxx is specified in command-line, disable archived non-system classes
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* @requires vm.cds
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* @library /test/lib
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* @compile test-classes/TestClassLoader.java
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* @compile test-classes/ReportMyLoader.java
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* @compile test-classes/TrySwitchMyLoader.java
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* @run driver SpecifySysLoaderProp
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*/
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import java.io.*;
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import jdk.test.lib.process.OutputAnalyzer;
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public class SpecifySysLoaderProp {
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public static void main(String[] args) throws Exception {
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JarBuilder.build("sysloader", "TestClassLoader", "ReportMyLoader", "TrySwitchMyLoader");
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String jarFileName = "sysloader.jar";
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String appJar = TestCommon.getTestJar(jarFileName);
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TestCommon.testDump(appJar, TestCommon.list("ReportMyLoader"));
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String warning = "Archived non-system classes are disabled because the java.system.class.loader property is specified";
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// (0) Baseline. Do not specify -Djava.system.class.loader
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// The test class should be loaded from archive
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TestCommon.run(
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"-verbose:class",
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"-cp", appJar,
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"ReportMyLoader")
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.assertNormalExit("[class,load] ReportMyLoader source: shared objects file",
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"ReportMyLoader's loader = jdk.internal.loader.ClassLoaders$AppClassLoader@");
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// (1) Try to execute the archive with -Djava.system.class.loader=no.such.Klass,
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// it should fail
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TestCommon.run(
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"-cp", appJar,
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"-Djava.system.class.loader=no.such.Klass",
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"ReportMyLoader")
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.assertAbnormalExit(output -> {
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output.shouldContain(warning);
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output.shouldContain("ClassNotFoundException: no.such.Klass");
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});
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// (2) Try to execute the archive with -Djava.system.class.loader=TestClassLoader,
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// it should run, but archived non-system classes should be disabled
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TestCommon.run(
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"-verbose:class",
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"-cp", appJar,
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"-Xlog:cds",
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"-Djava.system.class.loader=TestClassLoader",
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"ReportMyLoader")
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.assertNormalExit("ReportMyLoader's loader = jdk.internal.loader.ClassLoaders$AppClassLoader@", //<-this is still printed because TestClassLoader simply delegates to Launcher$AppLoader, but ...
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"TestClassLoader.called = true", //<-but this proves that TestClassLoader was indeed called.
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"TestClassLoader: loadClass(\"ReportMyLoader\",") //<- this also proves that TestClassLoader was indeed called.
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.assertNormalExit(output -> {
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output.shouldMatch(".class,load. TestClassLoader source: file:");
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output.shouldMatch(".class,load. ReportMyLoader source: file:.*" + jarFileName);
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output.shouldContain("full module graph: disabled due to incompatible property: java.system.class.loader=");
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});
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// (3) Try to change the java.system.class.loader programmatically after
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// the app's main method is executed. This should have no effect in terms of
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// changing or switching the actual system class loader that's already in use.
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TestCommon.run(
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"-verbose:class",
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"-cp", appJar,
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"TrySwitchMyLoader")
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.assertNormalExit("[class,load] ReportMyLoader source: shared objects file",
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"TrySwitchMyLoader's loader = jdk.internal.loader.ClassLoaders$AppClassLoader@",
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"ReportMyLoader's loader = jdk.internal.loader.ClassLoaders$AppClassLoader@",
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"TestClassLoader.called = false");
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}
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}
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