35 public class DriveLetter {
36
37 public static void main(String[] args) throws IOException {
38 String os = System.getProperty("os.name");
39 if (!os.startsWith("Windows")) {
40 System.out.println("This is Windows specific test");
41 return;
42 }
43 String here = System.getProperty("user.dir");
44 if (here.length() < 2 || here.charAt(1) != ':')
45 throw new RuntimeException("Unable to determine drive letter");
46
47 // create temporary file in current directory
48 File tempFile = File.createTempFile("foo", "tmp", new File(here));
49 try {
50 // we should expect C:foo.tmp to be returned by iterator
51 String drive = here.substring(0, 2);
52 Path expected = Paths.get(drive).resolve(tempFile.getName());
53
54 boolean found = false;
55 DirectoryStream<Path> stream = Paths.get(drive).newDirectoryStream();
56 try {
57 for (Path file : stream) {
58 if (file.equals(expected)) {
59 found = true;
60 break;
61 }
62 }
63 } finally {
64 stream.close();
65 }
66 if (!found)
67 throw new RuntimeException("Temporary file not found???");
68
69 } finally {
70 tempFile.delete();
71 }
72 }
73 }
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35 public class DriveLetter {
36
37 public static void main(String[] args) throws IOException {
38 String os = System.getProperty("os.name");
39 if (!os.startsWith("Windows")) {
40 System.out.println("This is Windows specific test");
41 return;
42 }
43 String here = System.getProperty("user.dir");
44 if (here.length() < 2 || here.charAt(1) != ':')
45 throw new RuntimeException("Unable to determine drive letter");
46
47 // create temporary file in current directory
48 File tempFile = File.createTempFile("foo", "tmp", new File(here));
49 try {
50 // we should expect C:foo.tmp to be returned by iterator
51 String drive = here.substring(0, 2);
52 Path expected = Paths.get(drive).resolve(tempFile.getName());
53
54 boolean found = false;
55 Path dir = Paths.get(drive);
56 try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) {
57 for (Path file : stream) {
58 if (file.equals(expected)) {
59 found = true;
60 break;
61 }
62 }
63 }
64 if (!found)
65 throw new RuntimeException("Temporary file not found???");
66
67 } finally {
68 tempFile.delete();
69 }
70 }
71 }
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