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Contents
require 'spec_helper'
RSpec.describe(Regexp::Parser) do
specify('parse returns a root expression') do
expect(RP.parse('abc')).to be_instance_of(Root)
end
specify('parse can be called with block') do
expect(RP.parse('abc') { |root| root.class }).to eq Root
end
specify('parse root contains expressions') do
root = RP.parse(/^a.c+[^one]{2,3}\b\d\\\C-C$/)
expect(root.expressions).to all(be_a Regexp::Expression::Base)
end
specify('parse root options mi') do
root = RP.parse(/[abc]/mi, 'ruby/1.8')
expect(root.m?).to be true
expect(root.i?).to be true
expect(root.x?).to be false
end
specify('parse node types') do
root = RP.parse('^(one){2,3}([^d\\]efm-qz\\,\\-]*)(ghi)+$')
expect(root[1][0]).to be_a(Literal)
expect(root[1]).to be_quantified
expect(root[2][0]).to be_a(CharacterSet)
expect(root[2]).not_to be_quantified
expect(root[3]).to be_a(Group::Capture)
expect(root[3]).to be_quantified
end
specify('parse no quantifier target raises error') do
expect { RP.parse('?abc') }.to raise_error(ArgumentError)
end
specify('parse sequence no quantifier target raises error') do
expect { RP.parse('abc|?def') }.to raise_error(ArgumentError)
end
end
Version data entries
35 entries across 28 versions & 6 rubygems