Simple test of miniwave hinge.

sdr> /program=Program.PLUS; setFormation(Formation.SQUARED_SET)
|      3Gv  3Bv
| 
| 4B>            2G<
| 
| 4G>            2B<
| 
|      1B^  1G^
sdr> heads lead left
| 4B>  1G<  3B>  2G<
| 
| 4G>  1B<  3G>  2B<
sdr> pass the ocean
| 1B^  1Gv  4G^  4Bv  2B^  2Gv  3G^  3Bv
sdr> /// Make sure that hinge takes the proper amount of time
sdr> /start = ds.currentTime(); undefined
sdr> hinge
| 1B>  4G>  2B>  3G>
| 
| 1G<  4B<  2G<  3B<
sdr> /ds.currentTime().subtract(start)
2/1
sdr> /start = ds.currentTime(); undefined
sdr> do half of a trade
| 1G^  1Bv  4B^  4Gv  2G^  2Bv  3B^  3Gv
sdr> /ds.currentTime().subtract(start)   
2/1
sdr> boys run
| 1B^  1G^  4Gv  4Bv  2B^  2G^  3Gv  3Bv
sdr> /// Ensure that we get a proper error message for partner hinge at PLUS
sdr> /program = Program.PLUS
PLUS
sdr> hinge
* Partner hinge not allowed below A1
sdr> /// But it should work fine at A1
sdr> /program = Program.A1
A1
sdr> /// Some tricky breathing here:
sdr> hinge
| 1B>  4G>  2B>  3G>
| 
| 1G<  4B<  2G<  3B<