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*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
/* @test
* @bug 6808647
* @summary Checks that a DirectoryStream's iterator returns the expected
* path when opening a directory by specifying only the drive letter.
* @library ..
*/
import java.nio.file.*;
import java.io.File;
import java.io.IOException;
public class DriveLetter {
public static void main(String[] args) throws IOException {
String os = System.getProperty("os.name");
if (!os.startsWith("Windows")) {
System.out.println("This is Windows specific test");
return;
}
String here = System.getProperty("user.dir");
if (here.length() < 2 || here.charAt(1) != ':')
throw new RuntimeException("Unable to determine drive letter");
// create temporary file in current directory
File tempFile = File.createTempFile("foo", "tmp", new File(here));
try {
// we should expect C:foo.tmp to be returned by iterator
String drive = here.substring(0, 2);
Path expected = Paths.get(drive).resolve(tempFile.getName());
boolean found = false;
Path dir = Paths.get(drive);
try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) {
for (Path file : stream) {
if (file.equals(expected)) {
found = true;
break;
}
}
}
if (!found)
throw new RuntimeException("Temporary file not found???");
} finally {
tempFile.delete();
}
}
}