From 5dd2b8e16f33b84773cdebeec4b6a86a511e8e9c Mon Sep 17 00:00:00 2001 From: Tomoyuki Sahara Date: Mon, 8 Jun 2015 17:32:14 +0900 Subject: gsub/sub supports back references in substitutes. fixes #2816. This implementation is compatible with CRuby's String#gsub/sub except \1 ... \9 and \+. They are useless without Regexp library. --- test/t/string.rb | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'test') diff --git a/test/t/string.rb b/test/t/string.rb index 63e4af000..ee6fe0848 100644 --- a/test/t/string.rb +++ b/test/t/string.rb @@ -254,6 +254,15 @@ assert('String#gsub', '15.2.10.5.18') do assert_equal('A', 'a'.gsub('a'){|w| w.capitalize }) end +assert('String#gsub with backslash') do + s = 'abXcdXef' + assert_equal 'ab<\\>cd<\\>ef', s.gsub('X', '<\\\\>') + assert_equal 'abcdef', s.gsub('X', '<\\&>') + assert_equal 'abcdef', s.gsub('X', '<\\0>') + assert_equal 'abcdef', s.gsub('X', '<\\`>') + assert_equal 'abcdef', s.gsub('X', '<\\\'>') +end + assert('String#gsub!', '15.2.10.5.19') do a = 'abcabc' a.gsub!('b', 'B') @@ -416,6 +425,15 @@ assert('String#sub', '15.2.10.5.36') do assert_equal 'aa$', 'aa#'.sub('#', '$') end +assert('String#sub with backslash') do + s = 'abXcdXef' + assert_equal 'ab<\\>cdXef', s.sub('X', '<\\\\>') + assert_equal 'abcdXef', s.sub('X', '<\\&>') + assert_equal 'abcdXef', s.sub('X', '<\\0>') + assert_equal 'abcdXef', s.sub('X', '<\\`>') + assert_equal 'abcdXef', s.sub('X', '<\\\'>') +end + assert('String#sub!', '15.2.10.5.37') do a = 'abcabc' a.sub!('b', 'B') -- cgit v1.2.3