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