require 'tc_helper.rb'

class TestNumVal < Test::Unit::TestCase

  def setup
    @num_val = Axlsx::NumVal.new :v => 1
  end

  def test_initialize
    assert_equal(@num_val.format_code, "General")
    assert_equal(@num_val.v, 1)
  end

  def test_format_code
    assert_raise(ArgumentError) {@num_val.format_code = 7}
    assert_nothing_raised {@num_val.format_code = 'foo_bar'}
  end

  def test_to_xml_string
    str = '<?xml version="1.0" encoding="UTF-8"?>'
    str << '<c:chartSpace xmlns:c="' << Axlsx::XML_NS_C << '">'
    str << @num_val.to_xml_string(0)
    doc = Nokogiri::XML(str)
    # lets see if this works?
    assert_equal(doc.xpath("//c:pt/c:v[text()='1']").size, 1)

  end

end