[ruby/reline] Suppress crashing when completer_{quote,word_break}_characters is empty

https://github.com/ruby/reline/commit/c6f1164942

1 files changed, 4 insertions, 0 deletions

diff --git a/test/reline/test_reline.rb b/test/reline/test_reline.rb
index d2de4690d5..0f32ec4421 100644
--- a/test/reline/test_reline.rb
+++ b/test/reline/test_reline.rb
@@ -65,6 +65,8 @@ class Reline::Test < Reline::TestCase
     Reline.completer_word_break_characters = "[".encode(Encoding::ASCII)
     assert_equal("[", Reline.completer_word_break_characters)
     assert_equal(get_reline_encoding, Reline.completer_word_break_characters.encoding)
+
+    assert_nothing_raised { Reline.completer_word_break_characters = '' }
   ensure
     Reline.completer_word_break_characters = completer_word_break_characters
   end
@@ -89,6 +91,8 @@ class Reline::Test < Reline::TestCase
     Reline.completer_quote_characters = "`".encode(Encoding::ASCII)
     assert_equal("`", Reline.completer_quote_characters)
     assert_equal(get_reline_encoding, Reline.completer_quote_characters.encoding)
+
+    assert_nothing_raised { Reline.completer_quote_characters = '' }
   ensure
     Reline.completer_quote_characters = completer_quote_characters
   end