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require "test/unit/testcase"
require "rexml/document"
class XPathAxesTester < 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
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