verify

long now = Clock.currTime.toUnixTime();

Token token = new Token(JWTAlgorithm.NONE);

token.claims.nbf = now + (60 * 60);

string encodedToken = token.encode("");

assertThrown!NotBeforeException(token = verify(encodedToken));

token.claims.nbf = 0;

token.claims.iat = now - 3600;

token.claims.exp = now - 60;

encodedToken = token.encode("");

assertThrown!ExpiredException(token = verify(encodedToken));