| /* |
| * Copyright (c) 2013, 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 converted from VM Testbase metaspace/shrink_grow/ShrinkGrowMultiJVM. |
| * VM Testbase keywords: [nonconcurrent] |
| * |
| * @requires vm.opt.final.ClassUnloading |
| * @library /vmTestbase /test/lib |
| * @run driver jdk.test.lib.FileInstaller . . |
| * @build metaspace.shrink_grow.ShrinkGrowMultiJVM.ShrinkGrowMultiJVM |
| * @run driver metaspace.shrink_grow.ShrinkGrowMultiJVM.ShrinkGrowMultiJVM |
| */ |
| |
| package metaspace.shrink_grow.ShrinkGrowMultiJVM; |
| |
| import jdk.test.lib.Utils; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.nio.file.Paths; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * This test starts several JVMs and run ShrinkGrow metaspace test. |
| * |
| * It expected that all the parameters on start new processes are given |
| * in the command line. |
| */ |
| public class ShrinkGrowMultiJVM { |
| private static final String[] TEST_ARGS = { |
| Paths.get(Utils.TEST_JDK) |
| .resolve("bin") |
| .resolve("java") |
| .toAbsolutePath() |
| .toString(), |
| "-Xlog:gc:gc_$i.log", // LOG_GC_ARG_INDEX |
| "-XX:MetaspaceSize=10m", |
| "-XX:MaxMetaspaceSize=20m", |
| "-cp", |
| Utils.TEST_CLASS_PATH |
| }; |
| private static final int LOG_GC_ARG_INDEX = 1; |
| public static void main(String argv[]) { |
| String[] testJavaOpts = Utils.getTestJavaOpts(); |
| String[] args = new String[TEST_ARGS.length + testJavaOpts.length + 2]; |
| System.arraycopy(TEST_ARGS, 0, args, 0, TEST_ARGS.length); |
| System.arraycopy(testJavaOpts, 0, args, TEST_ARGS.length, testJavaOpts.length); |
| args[args.length - 2] = metaspace.shrink_grow.ShrinkGrowTest.ShrinkGrowTest.class.getCanonicalName(); |
| args[args.length - 1] = "jvm#$i"; |
| |
| for (int i = 0; i < args.length; ++i) { |
| System.out.println("%arg #" + i + ": " + args[i]); |
| } |
| |
| List<Process> list = new ArrayList<>(); |
| for (int i = 0; i < 5; i++) { |
| // will be used as jvm id |
| args[args.length - 1] = "jvm#" + i; |
| args[LOG_GC_ARG_INDEX] = "-Xlog:gc:gc_" + i + ".log"; |
| ProcessBuilder pb = new ProcessBuilder(args); |
| try { |
| Process p = pb.start(); |
| // Redirect.INHERIT doesn't work w/ @run driver |
| new Thread(() -> copy(p.getInputStream(), System.out)).start(); |
| new Thread(() -> copy(p.getErrorStream(), System.out)).start(); |
| list.add(p); |
| System.out.println("=== process #" + i + " started"); |
| } catch (IOException e) { |
| throw new Error("Failed to start process " + i, e); |
| } |
| } |
| int failedCount = 0; |
| for (int i = 0; i < list.size(); i++) { |
| Process p = list.get(i); |
| try { |
| int exitCode = p.waitFor(); |
| if (exitCode != 0) { |
| failedCount++; |
| System.out.println("=== process #" + i + " exitCode=" + exitCode); |
| } |
| } catch (InterruptedException e) { |
| failedCount++; |
| System.out.println("=== process #" + i + " waitFor failed"); |
| e.printStackTrace(System.out); |
| } |
| } |
| if (failedCount != 0) { |
| throw new AssertionError(failedCount + " out of " + list.size() + " tests failed"); |
| } |
| } |
| |
| private static void copy(InputStream is, OutputStream os) { |
| byte[] buffer = new byte[1024]; |
| int n; |
| try (InputStream close = is) { |
| while ((n = is.read(buffer)) != -1) { |
| os.write(buffer, 0, n); |
| } |
| os.flush(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |