[ruby/reline] Call process_insert when the end of pasting plural fullwidth chars

https://github.com/ruby/reline/commit/594484d9f9

lib/reline/general_io.rb

@@ -1,6 +1,10 @@
 require 'timeout'
 
 class Reline::GeneralIO
+  def self.reset
+    @@pasting = false
+  end
+
   def self.encoding
     RUBY_PLATFORM =~ /mswin|mingw/ ? Encoding::UTF_8 : Encoding::default_external
   end
@@ -67,8 +71,18 @@ class Reline::GeneralIO
   def self.set_winch_handler(&handler)
   end
 
+  @@pasting = false
+
   def self.in_pasting?
-    false
+    @@pasting
+  end
+
+  def self.start_pasting
+    @@pasting = true
+  end
+
+  def self.finish_pasting
+    @@pasting = false
   end
 
   def self.prep

lib/reline/line_editor.rb

@@ -1161,6 +1161,8 @@ class Reline::LineEditor
     if Reline::IOGate.in_pasting?
       @continuous_insertion_buffer << str
       return
+    elsif not @continuous_insertion_buffer.empty?
+      process_insert
     end
     width = Reline::Unicode.get_mbchar_width(str)
     if @cursor == @cursor_max

test/reline/helper.rb

@@ -7,6 +7,7 @@ module Reline
     def test_mode
         remove_const('IOGate') if const_defined?('IOGate')
         const_set('IOGate', Reline::GeneralIO)
+        Reline::GeneralIO.reset
         send(:core).config.instance_variable_set(:@test_mode, true)
         send(:core).config.reset
     end
@@ -17,6 +18,14 @@ module Reline
   end
 end
 
+def start_pasting
+  Reline::GeneralIO.start_pasting
+end
+
+def finish_pasting
+  Reline::GeneralIO.finish_pasting
+end
+
 RELINE_TEST_ENCODING ||=
   if ENV['RELINE_TEST_ENCODING']
     Encoding.find(ENV['RELINE_TEST_ENCODING'])

test/reline/test_key_actor_vi.rb

@@ -1353,4 +1353,26 @@ class Reline::KeyActor::ViInsert::Test < Reline::TestCase
     assert_cursor(0)
     assert_cursor_max(3)
   end
+
+  def test_pasting
+    start_pasting
+    input_keys('ab')
+    finish_pasting
+    input_keys('c')
+    assert_line('abc')
+    assert_byte_pointer_size('abc')
+    assert_cursor(3)
+    assert_cursor_max(3)
+  end
+
+  def test_pasting_fullwidth
+    start_pasting
+    input_keys('あ')
+    finish_pasting
+    input_keys('い')
+    assert_line('あい')
+    assert_byte_pointer_size('あい')
+    assert_cursor(4)
+    assert_cursor_max(4)
+  end
 end

test/reline/yamatanooroti/test_rendering.rb

@@ -62,6 +62,30 @@ begin
       EOC
     end
 
+    def test_fullwidth
+      start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/bin/multiline_repl}, startup_message: 'Multiline REPL.')
+      write(":あ\n")
+      close
+      assert_screen(<<~EOC)
+        Multiline REPL.
+        prompt> :あ
+        => :あ
+        prompt>
+      EOC
+    end
+
+    def test_two_fullwidth
+      start_terminal(5, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/bin/multiline_repl}, startup_message: 'Multiline REPL.')
+      write(":あい\n")
+      close
+      assert_screen(<<~EOC)
+        Multiline REPL.
+        prompt> :あい
+        => :あい
+        prompt>
+      EOC
+    end
+
     def test_finish_autowrapped_line
       start_terminal(10, 40, %W{ruby -I#{@pwd}/lib #{@pwd}/bin/multiline_repl}, startup_message: 'Multiline REPL.')
       write("[{'user'=>{'email'=>'a@a', 'id'=>'ABC'}, 'version'=>4, 'status'=>'succeeded'}]\n")