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string.c: search by rb_str_index

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* re.c (match_regexp): set regexp for MatchData from string.
* re.c (rb_backref_set_string): create MatchData from string and
  set backref.
* string.c (rb_pat_search, rb_str_sub, rb_str_sub_bang, str_gsub),
  (scan_once, rb_str_scan, rb_str_partition): use rb_str_index
  instead of rb_reg_search() when pattern is a String.  based on
  the patch by Sam Rawlins <sam.rawlins@gmail.com> [Fixes GH-579]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45451 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-03-27 09:58:12 +00:00
parent 227a5a2aae
commit 5752b61d86
5 changed files with 169 additions and 57 deletions
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8
test/ruby/test_string.rb
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@ -831,6 +831,8 @@ class TestString < Test::Unit::TestCase
c.force_encoding Encoding::US_ASCII
assert_equal Encoding::UTF_8, a.gsub(/world/, c).encoding
assert_equal S("a\u{e9}apos&lt;"), S("a\u{e9}'&lt;").gsub("'", "apos")
end
def test_gsub!
@ -1454,6 +1456,12 @@ class TestString < Test::Unit::TestCase
o = Object.new
def o.to_s; self; end
assert_match(/^foo#<Object:0x.*>baz$/, "foobarbaz".sub("bar") { o })
assert_equal(S("Abc"), S("abc").sub("a", "A"))
m = nil
assert_equal(S("Abc"), S("abc").sub("a") {m = $~; "A"})
assert_equal(S("a"), m[0])
assert_equal(/a/, m.regexp)
end
def test_sub!