diff options
Diffstat (limited to 'test/zlib/test_zlib.rb')
-rw-r--r-- | test/zlib/test_zlib.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/zlib/test_zlib.rb b/test/zlib/test_zlib.rb index b6a4510b80..d53717ef74 100644 --- a/test/zlib/test_zlib.rb +++ b/test/zlib/test_zlib.rb @@ -663,6 +663,18 @@ if defined? Zlib } end + def test_ungetc_at_start_of_file + s = "".dup + w = Zlib::GzipWriter.new(StringIO.new(s)) + w << "abc" + w.close + r = Zlib::GzipReader.new(StringIO.new(s)) + + r.ungetc ?! + + assert_equal(-1, r.pos, "[ruby-core:81488][Bug #13616]") + end + def test_open Tempfile.create("test_zlib_gzip_reader_open") {|t| t.close |