spec/io_spec.rb in bindata-0.11.1 vs spec/io_spec.rb in bindata-1.0.0

@@ -170,10 +170,10 @@
   end
 end
 
 class BitWriterHelper
   def initialize
-    @stringio = StringIO.new
+    @stringio = BinData::IO.create_string_io
     @io = BinData::IO.new(@stringio)
   end
 
   def writebits(val, nbits, endian)
     @io.writebits(val, nbits, endian)