@Test
public void getFileBlockLocations() throws IOException {

	final String sign = "file_blocal_locations";
	FilePath fileWrite = new FilePath(new Path(folder.getRoot().toPath().toString(), sign));
	writeFile(fileWrite, sign);
	Assert.assertEquals(1, fileWrite.getFileSystem().getFileBlockLocations(
		fileWrite.getFileSystem().getFileStatus(fileWrite.getPathStr()), 0, 1
	).length);
}