code: def test_a85decode(self):
      eq = self.assertEqual
  
      tests = {
          b"": b"",
          b"GB\\6`E-ZP=Df.1GEb>": b"www.python.org",
          b"""! ! * -'"\n\t\t9eu\r\n7#  RL\vhG$k3[W&.oNg'GVB"(`=52*$$"""
          b"""(B+<_pR,UFcb-n-Vr/1iJ-0JP==1c70M3&s#]4?Ykm5X@_(6q'R884cE"""
          b"""H9MJ8X:f1+h<)lt#=BSg3>[:ZC?t!MSA7]@cBPD3sCi+'.E,fo>FEMbN"""
          b"""G^4U^I!pHnJ:W<)KS>/9Ll%"IN/`jYOHG]iPa.Q$R$jD4S=Q7DTV8*TU"""
          b"""nsrdW2ZetXKAY/Yd(L?['d?O\\@K2_]Y2%o^qmn*`5Ta:aN;TJbg"GZd"""
          b"""*^:jeCE.%f\\,!5gtgiEi8N\\UjQ5OekiqBum-X60nF?)@o_%qPq"ad`"""
          b"""r;HT""": bytes(range(255)),
          b"""@:E_WAS,RgBkhF"D/O92EH6,BF`qtRH$VbC6UX@47n?3D92&&T:Jand;c"""
          b"""Hat='/U/0JP==1c70M3&r-I,;<FN.OZ`-3]oSW/g+A(H[P""": b"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234"
          b"56789!@#0^&*();:<>,. []{}",
          b"DJpY:@:Wn_DJ(RS": b"no padding..",
          b"H=_,8+Cf>,E,oN2F(oQ1z": b"zero compression\x00\x00\x00\x00",
          b"H=_,8+Cf>,E,oN2F(oQ1!!!!": b"zero compression\x00\x00\x00",
          b"6>q!aA79M(3WK-[!!": b"Boundary:\x00\x00\x00\x00",
          b";fH/TAKYK$D/aMV+<VdL": b"Space compr:    ",
          b"rr": b"\xff",
          b"s8N": b"\xff" * 2,
          b"s8W*": b"\xff" * 3,
          b"s8W-!": b"\xff" * 4,
      }
  
      for data, res in tests.items():
          eq(base64.a85decode(data), res, data)
          eq(base64.a85decode(data, adobe=False), res, data)
          eq(
              base64.a85decode(data.decode("ascii"), adobe=False),
              res,
              data,
          )
          eq(
              base64.a85decode(b"<~" + data + b"~>", adobe=True),
              res,
              data,
          )
          eq(base64.a85decode(data + b"~>", adobe=True), res, data)
          eq(
              base64.a85decode(
                  "<~%s~>" % data.decode("ascii"), adobe=True
              ),
              res,
              data,
          )
  
      eq(
          base64.a85decode(b"yy", foldspaces=True, adobe=False),
          b" " * 8,
      )
      eq(
          base64.a85decode(b"y+<Vd", foldspaces=True, adobe=False),
          b" " * 7,
      )
      eq(
          base64.a85decode(b"y+<U", foldspaces=True, adobe=False),
          b" " * 6,
      )
      eq(
          base64.a85decode(b"y+9", foldspaces=True, adobe=False),
          b" " * 5,
      )
      eq(
          base64.a85decode(b"aaaaay", foldspaces=True),
          b"\xc9\x80\x0b@    ",
      )
  
      self.check_other_types(
          base64.a85decode, b"GB\\6`E-ZP=Df.1GEb>", b"www.python.org"
      )
  
imports: import unittest
  import base64
  import binascii
  import os
  from array import array
  from test.support import os_helper
  from test.support import script_helper
label_desc: Use image node_id 23 for calling the BaseXYTestCase obj's underlying member method code with example usage: obj.test_a85decode() without return types