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-rw-r--r--test/t/string.rb18
1 files changed, 18 insertions, 0 deletions
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 'ab<X>cd<X>ef', s.gsub('X', '<\\&>')
+ assert_equal 'ab<X>cd<X>ef', s.gsub('X', '<\\0>')
+ assert_equal 'ab<ab>cd<abXcd>ef', s.gsub('X', '<\\`>')
+ assert_equal 'ab<cdXef>cd<ef>ef', 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 'ab<X>cdXef', s.sub('X', '<\\&>')
+ assert_equal 'ab<X>cdXef', s.sub('X', '<\\0>')
+ assert_equal 'ab<ab>cdXef', s.sub('X', '<\\`>')
+ assert_equal 'ab<cdXef>cdXef', s.sub('X', '<\\\'>')
+end
+
assert('String#sub!', '15.2.10.5.37') do
a = 'abcabc'
a.sub!('b', 'B')