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Contents
require_relative '../../spec_helper'
# Load the class under test
require_relative '../../../lib/rley/parser/chart'
module Rley # Open this namespace to avoid module qualifier prefixes
module Parser # Open this namespace to avoid module qualifier prefixes
describe Chart do
let(:count_token) { 20 }
let(:dotted_rule) { double('fake-dotted-item') }
context 'Initialization:' do
# Default instantiation rule
subject { Chart.new(dotted_rule, count_token) }
it 'should be created with a start dotted rule and a token count' do
expect { Chart.new(dotted_rule, count_token) }.not_to raise_error
end
it 'should have a seed state in first state_set' do
seed_state = ParseState.new(dotted_rule, 0)
expect(subject[0].states).to eq([seed_state])
# Shorthand syntax
expect(subject[0].first).to eq(seed_state)
end
it 'should have the correct state_set count' do
expect(subject.state_sets.size).to eq(count_token + 1)
end
it 'should the start dotted rule' do
expect(subject.start_dotted_rule).to eq(dotted_rule)
end
end # context
end # describe
end # module
end # module
# End of file
Version data entries
23 entries across 23 versions & 1 rubygems