Test for Pdb++ UTF-8 compatibility.

pdbpp_utf8_test.py

def test_utf8():
    src = py.code.Source("""
    # coding: utf-8
    def fn():
        \"\"\"тест\"\"\"
        a = 1
        set_trace()
        return a
    """)

    exec src.compile()
    check(fn, """ 
> .*fn()
-> return a
# ll
NUM     def fn():
NUM         \"\"\"тест\"\"\"
NUM         a = 1
NUM         set_trace()
NUM  ->     return a
# c
""".replace('NUM', ' *[0-9]*'))