[macruby-changes] [MacRuby/MacRuby] 37bf49: IO.readlines (and family) will raise a TypeError w...

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Branch: refs/heads/master
Home:   https://github.com/MacRuby/MacRuby

Commit: 37bf494f082e41b4bb75c4de697a6653aea76acf
    https://github.com/MacRuby/MacRuby/commit/37bf494f082e41b4bb75c4de697a6653aea76acf
Author: Watson <watson1978 at gmail.com>
Date:   2011-05-12 (Thu, 12 May 2011)

Changed paths:
  M io.c

Log Message:
-----------
IO.readlines (and family) will raise a TypeError when was passed Object which has not to_str method.

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

File.open("/tmp/foo", "w") {|f|
  f.puts "foo"
  f.puts "bar"
}

sep = Object.new

assert_raise(TypeError){ IO.readlines("/tmp/foo", sep, 10) }
assert_raise(TypeError){ IO.readlines("/tmp/foo", sep) }

def sep.to_str; "\n"; end
ary = IO.readlines("/tmp/foo", sep, 10)
assert_equal(["foo\n", "bar\n"], ary)

ary = IO.readlines("/tmp/foo", sep)
assert_equal(["foo\n", "bar\n"], ary)

ary = IO.readlines("/tmp/foo", 10)
assert_equal(["foo\n", "bar\n"], ary)

puts :ok
}}}