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path: root/jni/ruby/test/rexml/xpath/test_axis_preceding_sibling.rb
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require "test/unit/testcase"
require "rexml/document"

module REXMLTests
  class TestXPathAxisPredcedingSibling < Test::Unit::TestCase
    include REXML
    SOURCE = <<-EOF
      <a id='1'>
        <e id='2'>
          <f id='3'/>
          <f id='4'/>
          <f id='5'/>
          <f id='6'/>
        </e>
      </a>
      EOF

    def setup
      @@doc = Document.new(SOURCE) unless defined? @@doc
    end

    def test_preceding_sibling_axis
      context = XPath.first(@@doc,"/a/e/f[last()]")
      assert_equal "6", context.attributes["id"]

      prev = XPath.first(context, "preceding-sibling::f")
      assert_equal "5", prev.attributes["id"]

      prev = XPath.first(context, "preceding-sibling::f[1]")
      assert_equal "5", prev.attributes["id"]

      prev = XPath.first(context, "preceding-sibling::f[2]")
      assert_equal "4", prev.attributes["id"]

      prev = XPath.first(context, "preceding-sibling::f[3]")
      assert_equal "3", prev.attributes["id"]
    end
  end
end