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require "rexml/text"

module REXMLTests
class TextTester < Test::Unit::TestCase
  include REXML

  def test_shift_operator_chain
    text = Text.new("original\r\n")
    text << "append1\r\n" << "append2\r\n"
    assert_equal("original\nappend1\nappend2\n", text.to_s)
  end

  def test_shift_operator_cache
    text = Text.new("original\r\n")
    text << "append1\r\n" << "append2\r\n"
    assert_equal("original\nappend1\nappend2\n", text.to_s)
    text << "append3\r\n" << "append4\r\n"
    assert_equal("original\nappend1\nappend2\nappend3\nappend4\n", text.to_s)
  end
end
end