1 files changed, 11 insertions, 0 deletions
diff --git a/test/irb/test_context.rb b/test/irb/test_context.rb
index 2dba42d321..63e71e5867 100644
--- a/test/irb/test_context.rb
+++ b/test/irb/test_context.rb
@@ -42,6 +42,17 @@ module TestIRB
       IRB.conf[:VERBOSE] = false
       workspace = IRB::WorkSpace.new(Object.new)
       @context = IRB::Context.new(nil, workspace, TestInputMethod.new)
+
+      @get_screen_size = Reline.method(:get_screen_size)
+      Reline.instance_eval { undef :get_screen_size }
+      def Reline.get_screen_size
+        [36, 80]
+      end
+    end
+
+    def teardown
+      Reline.instance_eval { undef :get_screen_size }
+      Reline.define_singleton_method(:get_screen_size, @get_screen_size)
     end
 
     def test_last_value