def test_simple():
t.eq(t.revcomp("ACGT"), "ACGT")
t.eq(t.revcomp("TGGGGCCAA"), "TTGGCCCCA")
t.eq(t.revcomp("CCCCA"), "TGGGG")
t.eq(t.revcomp("MDggC"), "GccHK")
def test_degenerate():
# This was a fun one to figure out.
t.eq(t.revcomp("W"), "W")
t.eq(t.revcomp("S"), "S")
