### Question:
ADX extends SingleValueIndicator { public ADX(TimeInterval interval) { this(14, interval); } ADX(TimeInterval interval);  ADX(int length, TimeInterval interval);  ADX(int diLength, int adxLength, TimeInterval interval); @Override double getValue();  }### Answer:
@Test public void adxTest() { testIndicator(new ADX(13, 8, minutes(1)), 7); }