| /* |
| * Copyright (c) 2016, 2017, 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 |
| * @bug 8159262 |
| * @summary layers over the boot layer are repeatedly created, during this iteration, GCs are forced to verify correct walk of module and package lists. |
| * @modules java.base/jdk.internal.misc |
| * @library /test/lib |
| * @compile ../CompilerUtils.java |
| * @run main/othervm ModuleStressGC |
| */ |
| |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import jdk.test.lib.process.ProcessTools; |
| import jdk.test.lib.process.OutputAnalyzer; |
| |
| public class ModuleStressGC { |
| |
| private static final String TEST_SRC = System.getProperty("test.src"); |
| private static final String TEST_CLASSES = System.getProperty("test.classes"); |
| |
| private static final Path SRC_DIR = Paths.get(TEST_SRC, "src"); |
| private static final Path MODS_DIR = Paths.get(TEST_CLASSES, "mods"); |
| |
| /** |
| * Compile two module definitions used by the test, jdk.test and jdk.translet. |
| */ |
| public static void main(String[] args) throws Exception { |
| |
| boolean compiled; |
| // Compile module jdk.test declaration |
| compiled = CompilerUtils.compile( |
| SRC_DIR.resolve("jdk.test"), |
| MODS_DIR.resolve("jdk.test")); |
| if (!compiled) { |
| throw new RuntimeException("Test failed to compile module jdk.test"); |
| } |
| |
| // Compile module jdk.translet declaration |
| compiled = CompilerUtils.compile( |
| SRC_DIR.resolve("jdk.translet"), |
| MODS_DIR.resolve("jdk.translet"), |
| "--add-exports=jdk.test/test=jdk.translet", |
| "-p", MODS_DIR.toString()); |
| if (!compiled) { |
| throw new RuntimeException("Test failed to compile module jdk.translet"); |
| } |
| |
| // Sanity check that the test, jdk.test/test/MainGC.java, |
| // correctly walks module jdk.test's reads list and package |
| // test's, defined to module jdk.translet, export list at |
| // GC safepoints. |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
| "-Xlog:module=trace", |
| "-p", MODS_DIR.toString(), |
| "-m", "jdk.test/test.MainGC"); |
| OutputAnalyzer oa = new OutputAnalyzer(pb.start()); |
| oa.shouldContain("package test defined in module jdk.test, exports list being walked") |
| .shouldContain("module jdk.test reads list being walked") |
| .shouldHaveExitValue(0); |
| } |
| } |