'Verify the pretty-printing of frozensets'

def test_frozensets(self):

    if ((gdb_major_version, gdb_minor_version) < (7, 3)):
        self.skipTest('pretty-printing    of    frozensets    needs    gdb    7.3    or    later')
    self.assertGdbRepr(frozenset(), 'frozenset()')
    self.assertGdbRepr(frozenset(['a', 'b']), "frozenset({'a',    'b'})")
    self.assertGdbRepr(frozenset([4, 5, 6]), 'frozenset({4,    5,    6})')
