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* re.c: Add MatchData#named_captures

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[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
This commit is contained in:
sorah 2016-02-18 05:29:18 +00:00
parent e4809b056c
commit e8074a382e
4 changed files with 94 additions and 0 deletions
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14
test/ruby/test_regexp.rb
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@ -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)'))