}
public void testDecodeIdentifier() throws IOException {
TestDelegationTokenSecretManager secretManager =
new TestDelegationTokenSecretManager(0, 0, 0, 0);
secretManager.startThreads();
TestDelegationTokenIdentifier id = new TestDelegationTokenIdentifier(
new Text("owner"), new Text("renewer"), new Text("realUser"));
Token<TestDelegationTokenIdentifier> token =
new Token<TestDelegationTokenIdentifier>(id, secretManager);