code: def _test_simple_compound(st):
      alist = [1, 2, 3, 5, -5, -4, -3, -2]
      blist = [1, 12, 67, 8, 2, 1023]
      clist = [100, -100, 200, -200]
  
      with st.create_file("a") as af:
          for x in alist:
              af.write_int(x)
      with st.create_file("b") as bf:
          for x in blist:
              bf.write_varint(x)
      with st.create_file("c") as cf:
          for x in clist:
              cf.write_int(x)
  
      f = st.create_file("f")
      CompoundStorage.assemble(f, st, ["a", "b", "c"])
  
      f = CompoundStorage(st.open_file("f"))
      with f.open_file("a") as af:
          for x in alist:
              assert x == af.read_int()
          assert af.read() == b("")
  
      with f.open_file("b") as bf:
          for x in blist:
              assert x == bf.read_varint()
          assert bf.read() == b("")
  
      with f.open_file("c") as cf:
          for x in clist:
              assert x == cf.read_int()
          assert cf.read() == b("")
  
file_path: whoosh/tests/test_compound.py
imports: from __future__ import with_statement
  from whoosh.compat import b
  from whoosh.filedb.compound import CompoundStorage
  from whoosh.filedb.filestore import RamStorage
  from whoosh.util.testing import TempStorage
label_desc: Use image node_id 1 for calling a global function with example usage: _test_simple_compound(st) without return types