From e8074a382eb3e07feb4c425498e1605e2e729f7c Mon Sep 17 00:00:00 2001
From: sorah <sorah@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 18 Feb 2016 05:29:18 +0000
Subject: * re.c: Add MatchData#named_captures   [Feature #11999]
 [ruby-core:72897]

* test/ruby/test_regexp.rb(test_match_data_named_captures): Test for above.

* NEWS: News about MatchData#named_captures.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53863 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_regexp.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'test/ruby/test_regexp.rb')

diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index db83ee3ee7..55e1f3a9c6 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -175,6 +175,20 @@ class TestRegexp < Test::Unit::TestCase
     assert_raise(IndexError, bug9903) {m[key.dup.force_encoding(Encoding::Shift_JIS)]}
   end
 
+  def test_match_data_named_captures
+    assert_equal({'a' => '1', 'b' => '2', 'c' => nil}, /^(?<a>.)(?<b>.)(?<c>.)?/.match('12').named_captures)
+    assert_equal({'a' => '1', 'b' => '2', 'c' => '3'}, /^(?<a>.)(?<b>.)(?<c>.)?/.match('123').named_captures)
+    assert_equal({'a' => '1', 'b' => '2', 'c' => ''}, /^(?<a>.)(?<b>.)(?<c>.?)/.match('12').named_captures)
+
+    assert_equal({'a' => 'x'}, /(?<a>x)|(?<a>y)/.match('x').named_captures)
+    assert_equal({'a' => 'y'}, /(?<a>x)|(?<a>y)/.match('y').named_captures)
+
+    assert_equal({'a' => '1', 'b' => '2'}, /^(.)(?<a>.)(?<b>.)/.match('012').named_captures)
+    assert_equal({'a' => '2'}, /^(?<a>.)(?<a>.)/.match('12').named_captures)
+
+    assert_equal({}, /^(.)/.match('123').named_captures)
+  end
+
   def test_assign_named_capture
     assert_equal("a", eval('/(?<foo>.)/ =~ "a"; foo'))
     assert_equal(nil, eval('/(?<@foo>.)/ =~ "a"; defined?(@foo)'))
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