author | prr |
Thu, 26 Jul 2018 10:00:40 -0700 | |
changeset 51251 | 0a7a0a6dfa22 |
parent 51016 | a926b7737d3b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2016, 2018, 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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* @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 main/othervm 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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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.createJavaProcessBuilder( |
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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.createJavaProcessBuilder( |
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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.createJavaProcessBuilder( |
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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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|
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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.createJavaProcessBuilder( |
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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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|
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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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} |