* ext/stringio/stringio.c (strio_getline): fix for "" as separator.

          [ruby-dev:34591] (Backport r17739 by Yusuke Endoh from trunk).


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@26140 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 0 deletions

diff --git a/test/stringio/test_stringio.rb b/test/stringio/test_stringio.rb
index 8e52065dd4..c02717f431 100644
--- a/test/stringio/test_stringio.rb
+++ b/test/stringio/test_stringio.rb
@@ -56,6 +56,18 @@ class TestStringIO < Test::Unit::TestCase
     assert_equal("abc\n\n", StringIO.new("abc\n\ndef\n").gets(""))
   end
 
+  def test_gets_paragraph
+    assert_equal("abc\n\n", StringIO.new("abc\n\ndef\n").gets(""))
+    assert_equal("abc\n\n", StringIO.new("\nabc\n\ndef\n").gets(""))
+    assert_equal("abc", StringIO.new("abc").gets(""))
+    assert_equal("abc\n", StringIO.new("abc\n").gets(""))
+    assert_equal(nil, StringIO.new("").gets(""))
+    assert_equal("def\n", StringIO.new("\n\ndef\n").gets(""))
+    s = StringIO.new("\n\nabc\n\n\n\ndef\n")
+    assert_equal("abc\n\n", s.gets(""))
+    assert_equal("def\n", s.gets(""))
+  end
+
   def test_readlines
     assert_equal([], StringIO.new("").readlines)
     assert_equal(["\n"], StringIO.new("\n").readlines)