From 864bb8680cee48a2bed85703dc2e4070728362d4 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 13 Sep 2023 22:09:22 +0900
Subject: [Bug #19877] Named captures should take place from regexps in block

---
 test/ruby/test_parse.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb
index 5209a4839f..0f71e11f7e 100644
--- a/test/ruby/test_parse.rb
+++ b/test/ruby/test_parse.rb
@@ -970,6 +970,20 @@ x = __ENCODING__
     assert_warning('') {eval("#{a} = 1; /(?<#{a}>)/ =~ ''")}
   end
 
+  def test_named_capture_in_block
+    [
+      '(/(?<a>.*)/)',
+      '(;/(?<a>.*)/)',
+      '(%s();/(?<a>.*)/)',
+      '(%w();/(?<a>.*)/)',
+      '(1; (2; 3; (4; /(?<a>.*)/)))',
+      '(1+1; /(?<a>.*)/)',
+    ].each do |code|
+      token = Random.bytes(4).unpack1("H*")
+      assert_equal(token, eval("#{code} =~ #{token.dump}; a"))
+    end
+  end
+
   def test_rescue_in_command_assignment
     bug = '[ruby-core:75621] [Bug #12402]'
     all_assertions(bug) do |a|
-- 
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