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require File.expand_path('../helper', __FILE__)
class LabelTest < Test::Unit::TestCase
def test_to_s
rule = Rule.for('a')
rule.label = 'a_label'
assert_equal('a_label:"a"', rule.to_s)
end
def test_to_s_sequence
rule = Sequence.new(%w< a b >)
rule.label = 's_label'
assert_equal('s_label:("a" "b")', rule.to_s)
end
def test_to_s_embedded
a = Rule.for('a')
a.label = 'a_label'
rule = Sequence.new([ a, 'b' ])
rule.label = 's_label'
assert_equal('s_label:(a_label:"a" "b")', rule.to_s)
end
end
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