ruby/test/rexml/test_changing_encoding.rb

# -*- coding: utf-8 -*-
# frozen_string_literal: false

require 'rexml/encoding'

module REXMLTests
  class ChangingEncodings < Test::Unit::TestCase
    def initialize a
      @u = 'テスト ほげ ふが 美しい'
      @e = @u.encode("EUC-JP")
      @f = Foo.new
      super
    end

    class Foo
      include REXML::Encoding
    end

    # Note that these tests must be executed in order for the third one to
    # actually test anything.
    def test_0_euc
      @f.encoding = 'EUC-JP'
      assert_equal( @u, @f.decode(@e) )
      # This doesn't happen anymore, for some reason
      #assert_raise( Iconv::IllegalSequence, "Decoding unicode should fail" ) {
      #  @f.decode(@u) == @u
      #}
    end

    def test_1_utf
      @f.encoding = 'UTF-8'
      assert_not_equal( @u, @f.decode( @e ) )
      assert_equal( @u, @f.decode( @u ) )
    end

    def test_2_euc
      @f.encoding = 'EUC-JP'
      assert_equal( @u, @f.decode(@e) )
      # This doesn't happen anymore, for some reason
      #assert_raise( Iconv::IllegalSequence, "Decoding unicode should fail" ) {
      #  @f.decode(@u) == @u
      #}
    end
  end
end