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# encoding: UTF-8
require File.expand_path('../helper', __FILE__)
class ParseErrorTest < Test::Unit::TestCase
Sentence = Grammar.new do
include Words
rule :sentence do
all(:capital_word, one_or_more([ :space, :word ]), :period)
end
rule :capital_word do
all(/[A-Z]/, zero_or_more(:alpha))
end
rule :space do
one_or_more(any(" ", "\n", "\r\n"))
end
rule :period, '.'
end
def test_basic
begin
TestGrammar.parse('#')
rescue ParseError => e
assert_equal(0, e.offset)
assert_equal('#', e.line)
assert_equal(1, e.line_number)
assert_equal(0, e.line_offset)
end
end
def test_single_line
begin
Sentence.parse('Once upon ä time.')
rescue ParseError => e
assert_equal(10, e.offset)
assert_equal('Once upon ä time.', e.line)
assert_equal(1, e.line_number)
assert_equal(10, e.line_offset)
end
end
def test_multi_line
begin
Sentence.parse("Once\nupon a\r\ntim3.")
rescue ParseError => e
assert_equal(16, e.offset)
assert_equal('tim3.', e.line)
assert_equal(3, e.line_number)
assert_equal(3, e.line_offset)
end
end
end
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