[11u] RFR 8230870: (zipfs) Add a ZIP FS test that is similar to test/jdk/java/util/zip/EntryCount64k.java

[Aleksey Shipilev]

Original fix:
  https://bugs.openjdk.java.net/browse/JDK-8230870
  https://hg.openjdk.java.net/jdk/jdk/rev/6a05019acb67

More tests for 11u! Unfortunately, it does not compile in 11u, because some FileSystem APIs are not
there. 11u webrev:
  https://cr.openjdk.java.net/~shade/8230870/webrev.11u.01/

Testing: new test, tier{1,2}

The fix for 11u was like this:

diff -r f9225bbdf0c0 test/jdk/jdk/nio/zipfs/LargeEntriesTest.java
--- a/test/jdk/jdk/nio/zipfs/LargeEntriesTest.java	Tue Sep 17 14:00:36 2019 -0400
+++ b/test/jdk/jdk/nio/zipfs/LargeEntriesTest.java	Fri Jul 31 10:45:51 2020 +0200
@@ -23,15 +23,17 @@
  */

 import org.testng.annotations.*;

 import java.io.*;
+import java.net.URI;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.FileSystem;
 import java.nio.file.*;
 import java.security.SecureRandom;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.Map;
 import java.util.function.Consumer;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;

@@ -209,12 +211,14 @@
      * @throws IOException If an error occurs while creating the ZIP file
      */
     private void createZipFile(Path zipFile, Map<String, String> env,
                                int entries) throws IOException {
         System.out.printf("Creating file = %s%n", zipFile);
+
+        URI uri = URI.create("jar:" + zipFile.toUri());
         try (FileSystem zipfs =
-                     FileSystems.newFileSystem(zipFile, env)) {
+                     FileSystems.newFileSystem(uri, env)) {

             for (int i = 0; i < entries; i++) {
                 Files.writeString(zipfs.getPath("Entry-" + i), ZIP_FILE_VALUE);
             }
         }
@@ -238,12 +242,13 @@
                 + System.lineSeparator()
                 + "Main-Class: " + MANIFEST_MAIN_CLASS
                 + System.lineSeparator()
                 + "Created-By: " + jdkVersion + " (" + jdkVendor + ")";

+        URI uri = URI.create("jar:" + zipFile.toUri());
         try (FileSystem zipfs =
-                     FileSystems.newFileSystem(zipFile, env);
+                     FileSystems.newFileSystem(uri, env);
              InputStream in = new ByteArrayInputStream(manifest.getBytes())) {

             // Get ZIP FS path to META-INF/MANIFEST.MF
             Path metadir = zipfs.getPath("/", "META-INF");
             Path manifestFile = metadir.resolve("MANIFEST.MF");
@@ -329,11 +334,12 @@
                     assertTrue(Arrays.equals(bytes, ZIP_FILE_ENTRY));
                 }
             }
         }
         // check entries with FileSystem API
-        try (FileSystem fs = FileSystems.newFileSystem(zipfile)) {
+        URI uri = URI.create("jar:" + zipfile.toUri());
+        try (FileSystem fs = FileSystems.newFileSystem(uri, Collections.emptyMap())) {

             // check entry count
             Path top = fs.getPath("/");
             long count = Files.find(top, Integer.MAX_VALUE, (path, attrs) ->
                     attrs.isRegularFile() || (attrs.isDirectory() &&

-- 
Thanks,
-Aleksey