diff options
| author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-07-14 09:17:55 +0000 |
|---|---|---|
| committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-07-14 09:17:55 +0000 |
| commit | 7c9c2bc1dd470cd4794d6891b21ee1fc61f401e0 (patch) | |
| tree | 04cf52e468e9c6fdfb44821c86437552584d78db /test/zlib | |
| parent | d893c123f6b021254b21c920e182d3c64967f5d5 (diff) | |
Zlib::GzipReader#pos underflows after calling #ungetbyte or #ungetc at start of file [Bug #13616]
patched by Andrew Haines <andrew@haines.org.nz> [ruby-core:81488]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59333 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/zlib')
| -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 |