test/tools/pack200/PackTestZip64.java

@@ -35,27 +35,34 @@
  * @bug 8029646
  * @summary tests that native unpacker produces the same result as Java one
  * @compile -XDignore.symbol.file Utils.java PackTestZip64.java
  * @run main PackTestZip64
  * @author kizune
- * @key intermittent
  */
 
 public class PackTestZip64 {
+
+    private static final boolean bigJarEnabled
+            = Boolean.getBoolean("PackTestZip64.enableBigJar");
+
     public static void main(String... args) throws Exception {
         testPacking();
         Utils.cleanup();
     }
 
     // 1KB buffer is enough to copy jar content
     private static final byte[] BUFFER = new byte[1024];
 
     static void testPacking() throws IOException {
-        // make a copy of the test specimen to local directory
         File testFile = new File("tools_java.jar");
+        if (bigJarEnabled) {
         // Add a large number of small files to the golden jar
         generateLargeJar(testFile, Utils.getGoldenJar());
+        } else {
+            // make a copy of the test specimen to local directory
+            Utils.copyFile(Utils.getGoldenJar(), testFile);
+        }
 
         List<String> cmdsList = new ArrayList<>();
 
         // Repack file to get the Java-based result
         cmdsList.add(Utils.getPack200Cmd());