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-rw-r--r--actionpack/test/template/erb_util_test.rb10
-rw-r--r--activesupport/lib/active_support/core_ext/string/output_safety.rb3
2 files changed, 12 insertions, 1 deletions
diff --git a/actionpack/test/template/erb_util_test.rb b/actionpack/test/template/erb_util_test.rb
index 30f6d1a213..790ab1c74c 100644
--- a/actionpack/test/template/erb_util_test.rb
+++ b/actionpack/test/template/erb_util_test.rb
@@ -16,6 +16,16 @@ class ErbUtilTest < Test::Unit::TestCase
end
end
+ def test_json_escape_returns_unsafe_strings_when_passed_unsafe_strings
+ value = json_escape("asdf")
+ assert !value.html_safe?
+ end
+
+ def test_json_escape_returns_safe_strings_when_passed_safe_strings
+ value = json_escape("asdf".html_safe)
+ assert value.html_safe?
+ end
+
def test_html_escape_is_html_safe
escaped = h("<p>")
assert_equal "&lt;p&gt;", escaped
diff --git a/activesupport/lib/active_support/core_ext/string/output_safety.rb b/activesupport/lib/active_support/core_ext/string/output_safety.rb
index aeb21ed8df..20e40fe40f 100644
--- a/activesupport/lib/active_support/core_ext/string/output_safety.rb
+++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb
@@ -51,7 +51,8 @@ class ERB
# <%=j @person.to_json %>
#
def json_escape(s)
- s.to_s.gsub(/[&"><]/) { |special| JSON_ESCAPE[special] }
+ result = s.to_s.gsub(/[&"><]/) { |special| JSON_ESCAPE[special] }
+ s.html_safe? ? result.html_safe : result
end
alias j json_escape