From c94735fa240eae853265900876bbe67d9b9655d6 Mon Sep 17 00:00:00 2001
From: aycabta <aycabta@gmail.com>
Date: Fri, 10 Sep 2021 04:37:19 +0900
Subject: [ruby/reline] Add tests for autocomplete with scrollbar

https://github.com/ruby/reline/commit/29634cbc93
---
 test/reline/yamatanooroti/multiline_repl    |  6 ++++
 test/reline/yamatanooroti/test_rendering.rb | 50 +++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)

diff --git a/test/reline/yamatanooroti/multiline_repl b/test/reline/yamatanooroti/multiline_repl
index 4de3f81c47..f3a1097dd8 100755
--- a/test/reline/yamatanooroti/multiline_repl
+++ b/test/reline/yamatanooroti/multiline_repl
@@ -54,6 +54,12 @@ opt.on('--autocomplete') {
     %w{String Struct Symbol ScriptError SyntaxError Signal}
   }
 }
+opt.on('--autocomplete-long') {
+  Reline.autocompletion = true
+  Reline.completion_proc = lambda { |target, preposing = nil, postposing = nil|
+    %w{String Struct Symbol StopIteration SystemCallError SystemExit SystemStackError ScriptError SyntaxError Signal SizedQueue Set SecureRandom Socket StringIO StringScanner Shellwords Syslog Singleton SDBM}
+  }
+}
 opt.parse!(ARGV)
 
 begin
diff --git a/test/reline/yamatanooroti/test_rendering.rb b/test/reline/yamatanooroti/test_rendering.rb
index 2ae0b81e2d..cd401e2f73 100644
--- a/test/reline/yamatanooroti/test_rendering.rb
+++ b/test/reline/yamatanooroti/test_rendering.rb
@@ -870,6 +870,56 @@ begin
       EOC
     end
 
+    def test_autocomplete_long_with_scrollbar
+      start_terminal(20, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --autocomplete-long}, startup_message: 'Multiline REPL.')
+      write("S")
+      close
+      assert_screen(<<~'EOC')
+        Multiline REPL.
+        prompt> S
+                String          █
+                Struct          █
+                Symbol          █
+                StopIteration   █
+                SystemCallError █
+                SystemExit      █
+                SystemStackError█
+                ScriptError     █
+                SyntaxError     █
+                Signal          █
+                SizedQueue      █
+                Set
+                SecureRandom
+                Socket
+                StringIO
+      EOC
+    end
+
+    def test_autocomplete_long_with_scrollbar_scroll
+      start_terminal(20, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --autocomplete-long}, startup_message: 'Multiline REPL.')
+      write("S" + "\C-i" * 16)
+      close
+      assert_screen(<<~'EOC')
+        Multiline REPL.
+        prompt> StringScanner
+                Struct          ▄
+                Symbol          █
+                StopIteration   █
+                SystemCallError █
+                SystemExit      █
+                SystemStackError█
+                ScriptError     █
+                SyntaxError     █
+                Signal          █
+                SizedQueue      █
+                Set             █
+                SecureRandom    ▀
+                Socket
+                StringIO
+                StringScanner
+      EOC
+    end
+
     def write_inputrc(content)
       File.open(@inputrc_file, 'w') do |f|
         f.write content
-- 
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