#!/usr/bin/env ruby -w
# encoding: UTF-8
#
# = test_UTF8String.rb -- The TaskJuggler III Project Management Software
#
# Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011
#               by Chris Schlaeger <chris@linux.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#

$:.unshift File.join(File.dirname(__FILE__), '..', 'lib')

require 'test/unit'

require 'taskjuggler/UTF8String'

class TestUTF8String < Test::Unit::TestCase

  def setup
  end

  def teardown
  end

  def test_each_utf8_char
    patterns = [
      [ '1', [ '1' ] ],
      [ 'abc', [ 'a', 'b', 'c' ] ],
      [ 'àcA绋féà', [ 'à', 'c', 'A', '绋', 'f', 'é', 'à' ] ]
    ]
    patterns.each do |inp, out|
      i = 0
      inp.each_utf8_char do |c|
        assert_equal(out[i], c)
        i += 1
      end
    end
  end

  def test_concat
    patterns = [
      [ '', 'a', 'a' ],
      [ 'a', 'b', 'ab' ],
      [ 'abc', 'à', 'abcà' ],
      [ 'abá', 'b', 'abáb' ]
    ]

    patterns.each do |left, right, combined|
      left << right
      assert_equal(combined, left)
    end
  end

  def test_length
    patterns = [
      [ '', 0 ],
      [ 'a', 1 ],
      [ 'ábc', 3 ],
      [ 'abç', 3 ],
      [ 'àcA绋féà', 7]
    ]

    patterns.each do |str, len|
      assert_equal(len, str.length_utf8)
    end
  end

  def test_reverse
    patterns = [
      [ '', '' ],
      [ 'a', 'a' ],
      [ 'ábc', 'cbá' ],
      [ 'abç', 'çba' ]
    ]

    patterns.each do |str, rts|
      assert_equal(rts, str.reverse)
    end
  end

end