test/gc/metaspace/CompressedClassSpaceSizeInJmapHeap.java

*** 1,7 ****
  /*
!  * Copyright (c) 2013, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 2013, 2015, 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.
*** 28,39 ****
   * @library /testlibrary
   * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:CompressedClassSpaceSize=50m CompressedClassSpaceSizeInJmapHeap
   */
  
  import com.oracle.java.testlibrary.*;
- import java.nio.file.*;
- import java.io.File;
  import java.nio.charset.Charset;
  import java.util.List;
  
  public class CompressedClassSpaceSizeInJmapHeap {
      public static void main(String[] args) throws Exception {
--- 28,37 ----
*** 51,88 ****
          JDKToolLauncher jmap = JDKToolLauncher.create("jmap")
                                                .addToolArg("-heap")
                                                .addToolArg(pid);
          ProcessBuilder pb = new ProcessBuilder(jmap.getCommand());
  
!         File out = new File("CompressedClassSpaceSizeInJmapHeap.stdout.txt");
!         pb.redirectOutput(out);
! 
!         File err = new File("CompressedClassSpaceSizeInJmapHeap.stderr.txt");
!         pb.redirectError(err);
! 
!         run(pb);
! 
!         OutputAnalyzer output = new OutputAnalyzer(read(out));
          output.shouldContain("CompressedClassSpaceSize = 52428800 (50.0MB)");
-         out.delete();
-     }
- 
-     private static void run(ProcessBuilder pb) throws Exception {
-         Process p = pb.start();
-         p.waitFor();
-         int exitValue = p.exitValue();
-         if (exitValue != 0) {
-             throw new Exception("jmap -heap exited with error code: " + exitValue);
-         }
-     }
- 
-     private static String read(File f) throws Exception {
-         Path p = f.toPath();
-         List<String> lines = Files.readAllLines(p, Charset.defaultCharset());
- 
-         StringBuilder sb = new StringBuilder();
-         for (String line : lines) {
-             sb.append(line).append('\n');
-         }
-         return sb.toString();
      }
  }
--- 49,58 ----
          JDKToolLauncher jmap = JDKToolLauncher.create("jmap")
                                                .addToolArg("-heap")
                                                .addToolArg(pid);
          ProcessBuilder pb = new ProcessBuilder(jmap.getCommand());
  
!         OutputAnalyzer output = new OutputAnalyzer(pb.start());
!         output.shouldHaveExitValue(0);
          output.shouldContain("CompressedClassSpaceSize = 52428800 (50.0MB)");
      }
  }