@Test
 public final void testNewLineSegment() {
   LineSegment actualSeg = this.testInstance.newLineSegment(NEW_SEG_LEN);
   assertEquals("Expected length", NEW_SEG_LEN, actualSeg.length(), 0.001);
   assertEquals(
       "Expected lineseg origin X",
       EXPECTED_NEW_LINE_SEG.getOrigin().getX(),
       actualSeg.getOrigin().getX(),
       0.001);
   assertEquals(
       "Expected lineseg origin Y",
       EXPECTED_NEW_LINE_SEG.getOrigin().getY(),
       actualSeg.getOrigin().getY(),
       0.001);
   assertEquals(
       "Expected lineseg term X",
       EXPECTED_NEW_LINE_SEG.getTerminus().getX(),
       actualSeg.getTerminus().getX(),
       0.001);
   assertEquals(
       "Expected lineseg term Y",
       EXPECTED_NEW_LINE_SEG.getTerminus().getY(),
       actualSeg.getTerminus().getY(),
       0.001);
 }