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#
# specifying raabro
#
# Sun Sep 20 07:12:35 JST 2015
#
require 'spec_helper'
describe Raabro do
describe '.rex' do
it 'hits' do
i = Raabro::Input.new('toto')
t = Raabro.rex(nil, i, /t[ua]/)
expect(t.to_a).to eq(
[ nil, 0, 0, 0, nil, :rex, [] ]
)
expect(i.offset).to eq(0)
end
it 'misses' do
i = Raabro::Input.new('toto')
t = Raabro.rex(nil, i, /(to)+/)
expect(t.to_a(:leaves => true)).to eq(
[ nil, 1, 0, 4, nil, :rex, 'toto' ]
)
expect(i.offset).to eq(4)
end
it 'misses if the match is not at the current input offset' do
i = Raabro::Input.new('tato')
t = Raabro.rex(:biga, i, /(to)+/)
expect(t.to_a(:leaves => true)).to eq(
[ :biga, 0, 0, 0, nil, :rex, [] ]
)
expect(i.offset).to eq(0)
end
end
end
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