test/jdk/javax/imageio/plugins/shared/CanWriteSequence.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2020, 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.

@@ -44,10 +44,11 @@
  */
 public final class CanWriteSequence {
 
     private static File file;
     private static FileOutputStream fos;
+    private static ImageOutputStream ios;
 
     public static void main(final String[] args) throws Exception {
         final IIORegistry registry = IIORegistry.getDefaultInstance();
         final Iterator<ImageWriterSpi> iter =
                 registry.getServiceProviders(ImageWriterSpi.class,

@@ -63,11 +64,11 @@
 
     private static void test(final ImageWriter writer) throws Exception {
         try {
             file = File.createTempFile("temp", ".img");
             fos = new FileOutputStream(file);
-            final ImageOutputStream ios = ImageIO.createImageOutputStream(fos);
+            ios = ImageIO.createImageOutputStream(fos);
             writer.setOutput(ios);
             final IIOMetadata data = writer.getDefaultStreamMetadata(null);
 
             if (writer.canWriteSequence()) {
                 writer.prepareWriteSequence(data);

@@ -81,14 +82,16 @@
                 }
             }
         } finally {
             writer.dispose();
             if (file != null) {
+                if (ios != null) {
+                    ios.close();
+                }
                 if (fos != null) {
                     fos.close();
                 }
                 Files.delete(file.toPath());
             }
         }
     }
 }
-