public static void main(String[] args) throws IOException {
// open file but do not close it. Its existance will be checked by
// the calling script.
Paths.get(args[0]).newByteChannel(READ, WRITE, DELETE_ON_CLOSE);
// check temporary file has been deleted after closing it
Path file = File.createTempFile("blah", "tmp").toPath();
file.newByteChannel(READ, WRITE, DELETE_ON_CLOSE).close();
if (file.exists()) throw new RuntimeException("Temporary file was not deleted");
Path dir = TestUtil.createTemporaryDirectory();
try {
// check that DELETE_ON_CLOSE fails when file is a sym link
if (TestUtil.supportsLinks(dir)) {
file = dir.resolve("foo").createFile();
Path link = dir.resolve("link").createSymbolicLink(file);
try {
link.newByteChannel(READ, WRITE, DELETE_ON_CLOSE);
throw new RuntimeException("IOException expected");
} catch (IOException ignore) {
}
}
// check that DELETE_ON_CLOSE works with files created via open
// directories
DirectoryStream stream = dir.newDirectoryStream();
try {
if (stream instanceof SecureDirectoryStream) {
SecureDirectoryStream secure = (SecureDirectoryStream) stream;
file = Paths.get("foo");
Set<OpenOption> opts = new HashSet<OpenOption>();
opts.add(WRITE);
opts.add(DELETE_ON_CLOSE);
secure.newByteChannel(file, opts).close();
if (dir.resolve(file).exists()) throw new RuntimeException("File not deleted");
}
} finally {
stream.close();
}
} finally {
TestUtil.removeAll(dir);
}
}
