* ext/zlib/zlib.c (rb_gzfile_close): Don't raise on double

  close for consistent to IO#close.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49893 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 22 insertions, 0 deletions

diff --git a/test/zlib/test_zlib.rb b/test/zlib/test_zlib.rb
index 3a2fe9274d..63bbd27cc6 100644
--- a/test/zlib/test_zlib.rb
+++ b/test/zlib/test_zlib.rb
@@ -962,6 +962,19 @@ if defined? Zlib
         assert_equal(content, read_size)
       }
     end
+
+    def test_double_close
+      Tempfile.create("test_zlib_gzip_reader_close") {|t|
+        t.binmode
+        content = "foo"
+        Zlib::GzipWriter.wrap(t) {|gz| gz.print(content) }
+        r = Zlib::GzipReader.open(t.path)
+        assert_equal(content, r.read)
+        assert_nothing_raised { r.close }
+        assert_nothing_raised { r.close }
+      }
+    end
+
   end
 
   class TestZlibGzipWriter < Test::Unit::TestCase
@@ -1022,6 +1035,15 @@ if defined? Zlib
         assert_equal("foo", Zlib::GzipReader.open(t.path) {|gz| gz.read })
       }
     end
+
+    def test_double_close
+      Tempfile.create("test_zlib_gzip_reader_close") {|t|
+        t.binmode
+        w = Zlib::GzipWriter.wrap(t)
+        assert_nothing_raised { w.close }
+        assert_nothing_raised { w.close }
+      }
+    end
   end
 
   class TestZlib < Test::Unit::TestCase