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-rw-r--r--activesupport/lib/active_support/inflector/transliterate.rb4
-rw-r--r--activesupport/test/transliterate_test.rb8
2 files changed, 12 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/inflector/transliterate.rb b/activesupport/lib/active_support/inflector/transliterate.rb
index ec6e9ccb59..61651ba101 100644
--- a/activesupport/lib/active_support/inflector/transliterate.rb
+++ b/activesupport/lib/active_support/inflector/transliterate.rb
@@ -56,8 +56,12 @@ module ActiveSupport
#
# transliterate('Jürgen', locale: :de)
# # => "Juergen"
+ #
+ # Transliteration of ASCII-8BIT / BINARY strings is not
+ # supported and will raise an ArgumentError.
def transliterate(string, replacement = "?", locale: nil)
raise ArgumentError, "Can only transliterate strings. Received #{string.class.name}" unless string.is_a?(String)
+ raise ArgumentError, "Can not transliterate strings with ASCII-8BIT encoding" if string.encoding == ::Encoding::ASCII_8BIT
I18n.transliterate(
ActiveSupport::Multibyte::Unicode.tidy_bytes(string).unicode_normalize(:nfc),
diff --git a/activesupport/test/transliterate_test.rb b/activesupport/test/transliterate_test.rb
index 9e29a93ea0..620bb20305 100644
--- a/activesupport/test/transliterate_test.rb
+++ b/activesupport/test/transliterate_test.rb
@@ -57,4 +57,12 @@ class TransliterateTest < ActiveSupport::TestCase
end
assert_equal "Can only transliterate strings. Received Object", exception.message
end
+
+ def test_transliterate_handles_ascci_8bit_strings
+ ascii_8bit_string = "A".b
+ exception = assert_raises ArgumentError do
+ ActiveSupport::Inflector.transliterate(ascii_8bit_string)
+ end
+ assert_equal "Can not transliterate strings with ASCII-8BIT encoding", exception.message
+ end
end