[ruby/reline] New items to history are dropped if history_size is zero

https://github.com/ruby/reline/commit/9bdbed9cbc

1 files changed, 10 insertions, 0 deletions

diff --git a/test/reline/test_history.rb b/test/reline/test_history.rb
index 189f2db86d..0cb148d112 100644
--- a/test/reline/test_history.rb
+++ b/test/reline/test_history.rb
@@ -242,6 +242,16 @@ class Reline::History::Test < Reline::TestCase
     end
   end
 
+  def test_history_size_zero
+    history = history_new(history_size: 0)
+    assert_equal 0, history.size
+    history << 'aa'
+    history << 'bb'
+    assert_equal 0, history.size
+    history.push(*%w{aa bb cc})
+    assert_equal 0, history.size
+  end
+
   private
 
   def history_new(history_size: 10)