[macruby-changes] [MacRuby/MacRuby] 2ef505: StringIO#read(length) returns binary string when p...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/MacRuby/MacRuby
  Commit: 2ef505b1a30abd35717e8f08291af616bd269762
      https://github.com/MacRuby/MacRuby/commit/2ef505b1a30abd35717e8f08291af616bd269762
  Author: Watson <watson1978 at gmail.com>
  Date:   2012-02-21 (Tue, 21 Feb 2012)

  Changed paths:
    M lib/stringio.rb

  Log Message:
  -----------
  StringIO#read(length) returns binary string when passed length

Test Script
----
require 'stringio'
require 'test/unit/assertions.rb'
include Test::Unit::Assertions

str = "abcdefg" * 100
str.force_encoding('UTF-8')

io = StringIO.new(str)
s  = io.read(0)
assert_equal("", s)
assert_equal(Encoding::ASCII_8BIT, s.encoding)

s = io.read(10)
assert_equal("abcdefgabc", s)
assert_equal(Encoding::ASCII_8BIT, s.encoding)

s = io.read()
assert_equal(Encoding::UTF_8, s.encoding)

length = Object.new
def length.to_int
  0
end
io = StringIO.new("")
s = io.read(length)
assert_equal("", s)
assert_equal(Encoding::ASCII_8BIT, s.encoding)