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test/java/nio/file/Files/DeleteOnClose.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2017, 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.

@@ -19,24 +19,49 @@
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 
-import java.nio.file.*;
-import static java.nio.file.StandardOpenOption.*;
-import java.io.*;
-import java.util.*;
+/* 
+ * @test
+ * @bug 4313887
+ * @summary Unit test for DELETE_ON_CLOSE open option
+ * @library /test/lib /java/nio/file
+ * @build DeleteOnTerminate
+ * @run main DeleteOnClose
+ */
+
+import java.io.IOException;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Files;
+import java.nio.file.OpenOption;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.SecureDirectoryStream;
+import java.util.HashSet;
+import java.util.Set;
+
+import jdk.test.lib.process.ProcessTools;
+
+import static java.nio.file.StandardOpenOption.READ;
+import static java.nio.file.StandardOpenOption.WRITE;
+import static java.nio.file.StandardOpenOption.DELETE_ON_CLOSE;
 
 public class DeleteOnClose {
 
-    public static void main(String[] args) throws IOException {
-        // open file but do not close it. Its existance will be checked by
-        // the calling script.
-        Files.newByteChannel(Paths.get(args[0]), READ, WRITE, DELETE_ON_CLOSE);
+    public static void main(String[] args) throws Exception {
+        // open file with DELETE_ON_CLOSE but do not close it, check delete-on-exit
+        Path file = Files.createTempFile("blah", "tmp");
+        ProcessTools.executeTestJava(DeleteOnTerminate.class.getName(),
+                                     file.toAbsolutePath().toString())
+                    .shouldHaveExitValue(0);
+        if (Files.exists(file)) {
+            throw new RuntimeException("Temporary file was not deleted");
+        }
 
         // check temporary file has been deleted after closing it
-        Path file = Files.createTempFile("blah", "tmp");
+        file = Files.createTempFile("blep", "tmp");
         Files.newByteChannel(file, READ, WRITE, DELETE_ON_CLOSE).close();
         if (Files.exists(file))
             throw new RuntimeException("Temporary file was not deleted");
 
         Path dir = Files.createTempDirectory("blah");
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