diff options
Diffstat (limited to 'test/zlib')
| -rw-r--r-- | test/zlib/test_zlib.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/zlib/test_zlib.rb b/test/zlib/test_zlib.rb index d118f7e503..37781bc8e7 100644 --- a/test/zlib/test_zlib.rb +++ b/test/zlib/test_zlib.rb @@ -694,6 +694,20 @@ if defined? Zlib assert_equal("foo", Zlib::GzipReader.wrap(f) {|gz| gz.read }) assert_raise(IOError) { f.close } end + + def test_corrupted_header + gz = Zlib::GzipWriter.new(StringIO.new(s = "")) + gz.orig_name = "X" + gz.comment = "Y" + gz.print("foo") + gz.finish + # 14: magic(2) + method(1) + flag(1) + mtime(4) + exflag(1) + os(1) + orig_name(2) + comment(2) + 1.upto(14) do |idx| + assert_raise(Zlib::GzipFile::Error, idx) do + Zlib::GzipReader.new(StringIO.new(s[0, idx])).read + end + end + end end class TestZlibGzipWriter < Test::Unit::TestCase |