@Test
public void testParseOverwrite() {
DistCpOptions options = OptionsParser.parse(new String[] {
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});
Assert.assertFalse(options.shouldOverwrite());
options = OptionsParser.parse(new String[] {
"-overwrite",
"hdfs://localhost:8020/source/first",
"hdfs://localhost:8020/target/"});