Add test for seek with frozen String

See #119
ruby · Feb 20, 2025 · ce84d17 · ce84d17
1 parent 2bbb856
commit ce84d17
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/test/stringio/test_stringio.rb b/test/stringio/test_stringio.rb
@@ -483,6 +483,11 @@ def test_seek
     f.close unless f.closed?
   end
 
+  def test_seek_frozen_string
+    f = StringIO.new(-"1234")
+    assert_equal(0, f.seek(1))
+  end
+
   def test_each_byte
     f = StringIO.new("1234")
     a = []