From 3457ce448655a3c2e52793186f62298903ddc26b Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sun, 2 Jun 2019 13:10:03 +0900
Subject: Fix ArgumentError in aliased macro

Closes: https://github.com/ruby/ruby/pull/2221
---
 test/reline/test_macro.rb | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 test/reline/test_macro.rb

(limited to 'test/reline')

diff --git a/test/reline/test_macro.rb b/test/reline/test_macro.rb
new file mode 100644
index 0000000000..7d92b32cba
--- /dev/null
+++ b/test/reline/test_macro.rb
@@ -0,0 +1,34 @@
+require_relative 'helper'
+
+class Reline::MacroTest < Reline::TestCase
+  def setup
+    @config = Reline::Config.new
+    @line_editor = Reline::LineEditor.new(@config)
+    @line_editor.instance_variable_set(:@screen_size, [24, 80])
+    @line_editor.output = File.open(IO::NULL, "w")
+  end
+
+  def input_key(char, combined_char = char, with_meta = false)
+    @line_editor.input_key(Reline::Key.new(char, combined_char, with_meta))
+  end
+
+  def input(str)
+    str.each_byte {|c| input_key(c)}
+  end
+
+  def test_simple_input
+    input('abc')
+    assert_equal 'abc', @line_editor.line
+  end
+
+  def test_alias
+    class << @line_editor
+      alias delete_char ed_delete_prev_char
+    end
+    input('abc')
+    assert_nothing_raised(ArgumentError) {
+      input_key(:delete_char)
+    }
+    assert_equal 'ab', @line_editor.line
+  end
+end
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