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-rw-r--r--activesupport/lib/active_support/json/backends/yaml.rb8
-rw-r--r--activesupport/test/json/decoding_test.rb6
2 files changed, 11 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/json/backends/yaml.rb b/activesupport/lib/active_support/json/backends/yaml.rb
index c7ed931c1b..b1dd2a8107 100644
--- a/activesupport/lib/active_support/json/backends/yaml.rb
+++ b/activesupport/lib/active_support/json/backends/yaml.rb
@@ -54,7 +54,9 @@ module ActiveSupport
json.gsub(/\\([\\\/]|u[[:xdigit:]]{4})/) do
ustr = $1
if ustr.start_with?('u')
- [ustr[1..-1].to_i(16)].pack("U")
+ char = [ustr[1..-1].to_i(16)].pack("U")
+ # "\n" needs extra escaping due to yaml formatting
+ char == "\n" ? "\\n" : char
elsif ustr == '\\'
'\\\\'
else
@@ -75,7 +77,9 @@ module ActiveSupport
chunk.gsub!(/\\([\\\/]|u[[:xdigit:]]{4})/) do
ustr = $1
if ustr.start_with?('u')
- [ustr[1..-1].to_i(16)].pack("U")
+ char = [ustr[1..-1].to_i(16)].pack("U")
+ # "\n" needs extra escaping due to yaml formatting
+ char == "\n" ? "\\n" : char
elsif ustr == '\\'
'\\\\'
else
diff --git a/activesupport/test/json/decoding_test.rb b/activesupport/test/json/decoding_test.rb
index a0beb97537..613c7531d9 100644
--- a/activesupport/test/json/decoding_test.rb
+++ b/activesupport/test/json/decoding_test.rb
@@ -41,7 +41,11 @@ class TestJSONDecoding < ActiveSupport::TestCase
[{'d' => Date.new(1970, 1, 1), 's' => ' escape'},{'d' => Date.new(1970, 1, 1), 's' => ' escape'}],
%q([{"d":"1970-01-01","s":"http:\/\/example.com"},{"d":"1970-01-01","s":"http:\/\/example.com"}]) =>
[{'d' => Date.new(1970, 1, 1), 's' => 'http://example.com'},
- {'d' => Date.new(1970, 1, 1), 's' => 'http://example.com'}]
+ {'d' => Date.new(1970, 1, 1), 's' => 'http://example.com'}],
+ # tests escaping of "\n" char with Yaml backend
+ %q("\n") => "\n",
+ %q("\u000a") => "\n",
+ %q({"a":"Line1\u000aLine2"}) => {"a"=>"Line1\nLine2"}
}
# load the default JSON backend