8325199: (zipfs) jdk/nio/zipfs/TestPosix.java failed 6 sub-tests

test/jdk/jdk/nio/zipfs/TestPosix.java

@@ -104,7 +104,6 @@ public class TestPosix {
     // misc
     private static final CopyOption[] COPY_ATTRIBUTES = {StandardCopyOption.COPY_ATTRIBUTES};
     private static final Map<String, ZipFileEntryInfo> ENTRIES = new HashMap<>();
-    private static final boolean isWindows = System.getProperty("os.name") .startsWith("Windows");
 
     private int entriesCreated;
 
@@ -292,7 +291,8 @@ private FileSystem createTestZipFile(Path zpath, Map<String, Object> env) throws
         return fs;
     }
 
-    private FileSystem createEmptyZipFile(Path zpath, Map<String, Object> env) throws IOException {
+    // The caller is responsible for closing the FileSystem returned by this method
+    private FileSystem createEmptyZipFileSystem(Path zpath, Map<String, Object> env) throws IOException {
         if (Files.exists(zpath)) {
             System.out.println("Deleting old " + zpath + "...");
             Files.delete(zpath);
@@ -481,7 +481,7 @@ public void testPosix() throws IOException {
     public void testCopy() throws IOException {
         // copy zip to zip with default options
         try (FileSystem zipIn = createTestZipFile(ZIP_FILE, ENV_DEFAULT);
-             FileSystem zipOut = createEmptyZipFile(ZIP_FILE_COPY, ENV_DEFAULT)) {
+             FileSystem zipOut = createEmptyZipFileSystem(ZIP_FILE_COPY, ENV_DEFAULT)) {
             Path from = zipIn.getPath("/");
             Files.walkFileTree(from, new CopyVisitor(from, zipOut.getPath("/")));
         }
@@ -517,7 +517,7 @@ public void testUnzipDefault() throws IOException {
 
         // the target zip file is opened with Posix support
         // but we expect no permission data to be copied using the default copy method
-        try (FileSystem tgtZip = createEmptyZipFile(ZIP_FILE_COPY, ENV_POSIX)) {
+        try (FileSystem tgtZip = createEmptyZipFileSystem(ZIP_FILE_COPY, ENV_POSIX)) {
             Files.walkFileTree(UNZIP_DIR, new CopyVisitor(UNZIP_DIR, tgtZip.getPath("/")));
         }
 
@@ -560,7 +560,7 @@ public void testUnzipPosix() throws IOException {
         // permissions should have been propagated to file system
         checkEntries(UNZIP_DIR, checkExpects.permsPosix);
 
-        try (FileSystem tgtZip = createEmptyZipFile(ZIP_FILE_COPY, ENV_POSIX)) {
+        try (FileSystem tgtZip = createEmptyZipFileSystem(ZIP_FILE_COPY, ENV_POSIX)) {
             // Make some files owner readable to be able to copy them into the zipfs
             addOwnerRead(UNZIP_DIR);
 
@@ -742,13 +742,8 @@ public void setPermissionsShouldPreserveRemainingBits() throws IOException {
      */
     @Test
     public void setPermissionsShouldConvertToUnix() throws IOException {
-        // Temporarily skip test on Windows until intermittent failures are investigated
-        if(isWindows) {
-            return;
-        }
         // The default environment creates MS-DOS entries, with zero 'external file attributes'
-        createEmptyZipFile(ZIP_FILE, ENV_DEFAULT);
-        try (FileSystem fs = FileSystems.newFileSystem(ZIP_FILE, ENV_DEFAULT)) {
+        try (FileSystem fs = createEmptyZipFileSystem(ZIP_FILE, ENV_DEFAULT)) {
             Path path = fs.getPath("hello.txt");
             Files.createFile(path);
         }

test/jdk/jdk/nio/zipfs/test.policy.posix

@@ -4,7 +4,6 @@ grant {
     permission java.util.PropertyPermission "test.jdk","read";
     permission java.util.PropertyPermission "test.src","read";
     permission java.util.PropertyPermission "user.dir","read";
-    permission java.util.PropertyPermission "os.name","read";
     permission java.lang.RuntimePermission "accessClassInPackage.jdk.internal.module";
     permission java.lang.RuntimePermission "accessUserInformation";
 };