Merge pull request #3496 from ksss/string-gsub

Avoid infinity loop when empty string pattern

1 files changed, 1 insertions, 0 deletions

diff --git a/test/t/string.rb b/test/t/string.rb
index ace6638cf..25c599ad4 100644
--- a/test/t/string.rb
+++ b/test/t/string.rb
@@ -366,6 +366,7 @@ assert('String#gsub', '15.2.10.5.18') do
   assert_equal('A',      'a'.gsub('a', 'A'))
   assert_equal('A',      'a'.gsub('a'){|w| w.capitalize })
   assert_equal("<a><><>", 'a'.gsub('a', '<\0><\1><\2>'))
+  assert_equal(".h.e.l.l.o.", "hello".gsub("", "."))
 end
 
 assert('String#gsub with backslash') do