--- old/test/tools/pack200/TestNormal.java	2014-10-14 21:44:25.000000000 +0800
+++ new/test/tools/pack200/TestNormal.java	2014-10-14 21:44:25.000000000 +0800
@@ -31,8 +31,11 @@
  */
 
 import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.Collections;
 import java.util.Properties;
+import java.util.Random;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 
@@ -42,17 +45,16 @@
     public static void main(String args[]) throws Exception {
         Properties p = System.getProperties();
         String java_home = p.getProperty("test.jdk");
-        File testJar = new File("test.jar");
-        Utils.jar("cvf", testJar.getName(), Utils.TEST_CLS_DIR.getAbsolutePath());
 
         File folder = new File("testdir");
         if (folder.exists()) {
             delete(folder);
         }
         folder.mkdir();
+        // prepare some test files
+        createFiles(folder);
 
         try {
-            extractJar(new JarFile(testJar), folder);
             execJavaCommand(java_home, "jar cnf normalized.jar -C testdir .");
             execJavaCommand(java_home, "jar cf original.jar -C testdir .");
             execJavaCommand(java_home, "pack200 -r repacked.jar original.jar");
@@ -101,32 +103,15 @@
         }
     }
 
-    public static void extractJar(JarFile jf, File where) throws Exception {
-        for (JarEntry file : Collections.list(jf.entries())) {
-            File out = new File(where, file.getName());
-            if (file.isDirectory()) {
-                out.mkdirs();
-                continue;
-            }
-            File parent = out.getParentFile();
-            if (parent != null && !parent.exists()) {
-                parent.mkdirs();
-            }
-            InputStream is = null;
-            OutputStream os = null;
+    static void createFiles(File folder) {
+        Random r = new Random();
+        byte[] data = new byte[10];
+        for (int i = 0; i < 10; i++) {
             try {
-                is = jf.getInputStream(file);
-                os = new FileOutputStream(out);
-                while (is.available() > 0) {
-                    os.write(is.read());
-                }
-            } finally {
-                if (is != null) {
-                    is.close();
-                }
-                if (os != null) {
-                    os.close();
-                }
+                r.nextBytes(data);
+                Files.write(new File(folder, "t" + i).toPath(), data);
+            } catch (IOException ex) {
+                throw new RuntimeException(ex);
             }
         }
     }