132 lines
5.6 KiB
Java
132 lines
5.6 KiB
Java
/*
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* Copyright (c) 2016, 2023, 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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* @test
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* @bug 8159262
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* @summary Test differing scenarios where a module's readability list and a package's exportability list should be walked
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* @requires vm.flagless
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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* @compile ../AccessCheck/ModuleLibrary.java
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* @compile ModuleSameCLMain.java
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* @compile ModuleNonBuiltinCLMain.java
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* @compile CustomSystemClassLoader.java
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* @run driver ModuleStress
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*/
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.compiler.InMemoryJavaCompiler;
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import jdk.test.lib.helpers.ClassFileInstaller;
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public class ModuleStress {
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public static void main(String[] args) throws Exception {
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// Test #1: java -version
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// All modules' readability lists and packages' exportability
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// lists should contain only modules defined to the 3 builtin
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// loaders (boot, application, platform). Thus there is
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// not a need to walk those lists at a GC safepoint since
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// those loaders never die.
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-Xbootclasspath/a:.",
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"-Xlog:module=trace",
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"-version");
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OutputAnalyzer oa = new OutputAnalyzer(pb.start());
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oa.shouldNotContain("must be walked")
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.shouldNotContain("being walked")
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.shouldHaveExitValue(0);
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// Next 2 tests involve the use of class p1.c1 and p2.c2
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String source1 = "package p1;" +
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"import p2.c2;" +
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"public class c1 {" +
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" public c1() {" +
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" p2.c2 c2_obj = new p2.c2();" +
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" c2_obj.method2();" +
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" }" +
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"}";
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String source2 = "package p2;" +
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"public class c2 {" +
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" public void method2() { }" +
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"}";
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ClassFileInstaller.writeClassToDisk("p2/c2",
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InMemoryJavaCompiler.compile("p2.c2", source2), System.getProperty("test.classes"));
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ClassFileInstaller.writeClassToDisk("p1/c1",
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InMemoryJavaCompiler.compile("p1.c1", source1), System.getProperty("test.classes"));
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// Test #2: Load two modules defined to the same customer class loader.
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// m1x's module readability list and package p2's exportability should
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// not be walked at a GC safepoint since both modules are defined to
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// the same loader and thus have the exact same life cycle.
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-Xbootclasspath/a:.",
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"-Xlog:module=trace",
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"ModuleSameCLMain");
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oa = new OutputAnalyzer(pb.start());
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oa.shouldNotContain("must be walked")
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.shouldNotContain("being walked")
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.shouldHaveExitValue(0);
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// Test #3: Load two modules in differing custom class loaders.
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// m1x's module readability list and package p2's exportability list must
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// be walked at a GC safepoint since both modules are defined to non-builtin
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// class loaders which could die and thus be unloaded.
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-Xbootclasspath/a:.",
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"-Xlog:module=trace",
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"ModuleNonBuiltinCLMain");
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oa = new OutputAnalyzer(pb.start());
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oa.shouldContain("module m1x reads list must be walked")
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.shouldContain("package p2 defined in module m2x, exports list must be walked")
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.shouldNotContain("module m2x reads list must be walked")
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.shouldHaveExitValue(0);
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// Test #4: Load two modules in differing custom class loaders,
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// of which one has been designated as the custom system class loader
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// via -Djava.system.class.loader=CustomSystemClassLoader. Since
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// m3x is defined to the system class loader, m2x's module readability
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// list does not have to be walked at a GC safepoint, but package p2's
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// exportability list does.
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pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-Djava.system.class.loader=CustomSystemClassLoader",
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"-Xbootclasspath/a:.",
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"-Xlog:module=trace",
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"ModuleNonBuiltinCLMain");
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oa = new OutputAnalyzer(pb.start());
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oa.shouldContain("package p2 defined in module m2x, exports list must be walked")
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.shouldNotContain("module m2x reads list must be walked")
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.shouldHaveExitValue(0);
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}
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}
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