Fix read into buf test on old rubies

ruby · Sep 21, 2023 · 9811fa8 · 9811fa8
1 parent f08b4a0
commit 9811fa8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/test/zlib/test_zlib.rb b/test/zlib/test_zlib.rb
@@ -988,7 +988,7 @@ def test_read
         end
 
         Zlib::GzipReader.open(t.path) do |f|
-          s = "".dup
+          s = "".b
 
           assert_raise(ArgumentError) { f.read(-1, s) }