Remove multibyte utils

This is neither a public API, nor used internally, so let's remove it.

1 files changed, 0 insertions, 93 deletions

diff --git a/activesupport/test/multibyte_utils_test.rb b/activesupport/test/multibyte_utils_test.rb
deleted file mode 100644
index f807492be0..0000000000
--- a/activesupport/test/multibyte_utils_test.rb
+++ /dev/null
@@ -1,93 +0,0 @@
-# encoding: utf-8
-
-require 'abstract_unit'
-require 'multibyte_test_helpers'
-
-class MultibyteUtilsTest < ActiveSupport::TestCase
-  include MultibyteTestHelpers
-
-  test "valid_character returns an expression for the current encoding" do
-    with_encoding('None') do
-      assert_nil ActiveSupport::Multibyte.valid_character
-    end
-    with_encoding('UTF8') do
-      assert_equal ActiveSupport::Multibyte::VALID_CHARACTER['UTF-8'], ActiveSupport::Multibyte.valid_character
-    end
-    with_encoding('SJIS') do
-      assert_equal ActiveSupport::Multibyte::VALID_CHARACTER['Shift_JIS'], ActiveSupport::Multibyte.valid_character
-    end
-  end
-
-  test "verify verifies ASCII strings are properly encoded" do
-    with_encoding('None') do
-      examples.each do |example|
-        assert ActiveSupport::Multibyte.verify(example)
-      end
-    end
-  end
-
-  test "verify verifies UTF-8 strings are properly encoded" do
-    with_encoding('UTF8') do
-      assert ActiveSupport::Multibyte.verify(example('valid UTF-8'))
-      assert !ActiveSupport::Multibyte.verify(example('invalid UTF-8'))
-    end
-  end
-
-  test "verify verifies Shift-JIS strings are properly encoded" do
-    with_encoding('SJIS') do
-      assert ActiveSupport::Multibyte.verify(example('valid Shift-JIS'))
-      assert !ActiveSupport::Multibyte.verify(example('invalid Shift-JIS'))
-    end
-  end
-
-  test "verify! raises an exception when it finds an invalid character" do
-    with_encoding('UTF8') do
-      assert_raises(ActiveSupport::Multibyte::EncodingError) do
-        ActiveSupport::Multibyte.verify!(example('invalid UTF-8'))
-      end
-    end
-  end
-
-  test "verify! doesn't raise an exception when the encoding is valid" do
-    with_encoding('UTF8') do
-      assert_nothing_raised do
-        ActiveSupport::Multibyte.verify!(example('valid UTF-8'))
-      end
-    end
-  end
-
-  test "clean is a no-op" do
-    with_encoding('UTF8') do
-      assert_equal example('invalid Shift-JIS'), ActiveSupport::Multibyte.clean(example('invalid Shift-JIS'))
-    end
-  end
-
-  private
-
-  STRINGS = {
-    'valid ASCII'       => [65, 83, 67, 73, 73].pack('C*'),
-    'invalid ASCII'     => [128].pack('C*'),
-    'valid UTF-8'       => [227, 129, 147, 227, 129, 171, 227, 129, 161, 227, 130, 143].pack('C*'),
-    'invalid UTF-8'     => [184, 158, 8, 136, 165].pack('C*'),
-    'valid Shift-JIS'   => [131, 122, 129, 91, 131, 128].pack('C*'),
-    'invalid Shift-JIS' => [184, 158, 8, 0, 255, 136, 165].pack('C*')
-  }
-
-  def example(key)
-    STRINGS[key].force_encoding(Encoding.default_external)
-  end
-
-  def examples
-    STRINGS.values.map { |s| s.force_encoding(Encoding.default_external) }
-  end
-
-  KCODE_TO_ENCODING = Hash.new(Encoding::BINARY).
-    update('UTF8' => Encoding::UTF_8, 'SJIS' => Encoding::Shift_JIS)
-
-  def with_encoding(enc)
-    before = Encoding.default_external
-    silence_warnings { Encoding.default_external = KCODE_TO_ENCODING[enc] }
-    yield
-    silence_warnings { Encoding.default_external = before }
-  end
-end