public void TestCalcLength () {
			Match m = new Match( null );
			Match sub1 = new Match( voidPattern, null, 2, 2, +1, 0.0 );
			Match sub2 = new Match( voidPattern, null, 3, 4, +1, 0.0 );

			m.SubMatches.Add( sub1 );
			m.SubMatches.Add( sub2 );

			Assert.AreEqual( 2, sub1.CalcLength() );
			Assert.AreEqual( 4, sub2.CalcLength() );
			Assert.AreEqual( 6, m.CalcLength() );
		}