[ruby/stringio] Allow seek when underlying string is frozen

(https://github.com/ruby/stringio/pull/121) Fixes https://github.com/ruby/stringio/pull/119. Adds a test for this expectation. https://github.com/ruby/stringio/commit/3f90fe44c6
2025-02-20 18:37:35 -06:00 · 2025-02-20 18:37:35 -06:00 · 7d7984642c
commit 7d7984642c
parent 0f1cb92345
1 changed files with 5 additions and 0 deletions
--- a/test/stringio/test_stringio.rb
+++ b/test/stringio/test_stringio.rb
@ -483,6 +483,11 @@ class TestStringIO < Test::Unit::TestCase
    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 = []