[ruby/reline] Improve OSC sequence regexp. OSC sequence can end with

ST(ESC\) and it should not to include \a and \e inside.
(https://github.com/ruby/reline/pull/527)

https://github.com/ruby/reline/commit/a88052adec

1 files changed, 11 insertions, 0 deletions

diff --git a/test/reline/test_unicode.rb b/test/reline/test_unicode.rb
index ee8e72c0d4..834f7114c4 100644
--- a/test/reline/test_unicode.rb
+++ b/test/reline/test_unicode.rb
@@ -18,6 +18,17 @@ class Reline::Unicode::Test < Reline::TestCase
     assert_equal 2, Reline::Unicode.calculate_width('√', true)
   end
 
+  def test_csi_regexp
+    csi_sequences = ["\e[m", "\e[1m", "\e[12;34m", "\e[12;34H"]
+    assert_equal(csi_sequences, "text#{csi_sequences.join('text')}text".scan(Reline::Unicode::CSI_REGEXP))
+  end
+
+  def test_osc_regexp
+    osc_sequences = ["\e]1\a", "\e]0;OSC\a", "\e]1\e\\", "\e]0;OSC\e\\"]
+    separator = "text\atext"
+    assert_equal(osc_sequences, "#{separator}#{osc_sequences.join(separator)}#{separator}".scan(Reline::Unicode::OSC_REGEXP))
+  end
+
   def test_split_by_width
     assert_equal [['abc', nil, 'de'], 2], Reline::Unicode.split_by_width('abcde', 3)
     assert_equal [['abc', nil, 'def', nil, ''], 3], Reline::Unicode.split_by_width('abcdef', 3)