diff options
| author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-08-09 08:08:01 +0000 |
|---|---|---|
| committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-08-09 08:08:01 +0000 |
| commit | f4a8004e315bb33017ba9d432fa78b3b605e70b0 (patch) | |
| tree | 5844a737a871ca347cc6cefbe4c8efd88b1d0af5 /test | |
| parent | 640e708deeb97ba55785299cae0259f4f080a96d (diff) | |
merge revision(s) 59333,59337: [Backport #13616]
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]
zlib.c: fix unnormalized Fixnum
* ext/zlib/zlib.c (rb_gzfile_total_out): cast to long not to
result in an unsigned long to normalized to Fixnum on LLP64
platforms. [ruby-core:81488]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@59532 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
| -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 0092daf0d9..c8c917cb9c 100644 --- a/test/zlib/test_zlib.rb +++ b/test/zlib/test_zlib.rb @@ -650,6 +650,18 @@ 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 |