Sha256: b1d3b0c4d31c91053bba8ddce869136b8ca51332fbc414b5fbc7a5cf66188d24
Contents?: true
Size: 1.31 KB
Versions: 7
Compression:
Stored size: 1.31 KB
Contents
require File.dirname(__FILE__) + '/helper'
class ChoiceTest < Test::Unit::TestCase
def test_terminal?
rule = Choice.new
assert_equal(false, rule.terminal?)
end
def test_match
rule = Choice.new(%w<a b>)
match = rule.match(input(''))
assert_equal(nil, match)
match = rule.match(input('a'))
assert(match)
assert_equal('a', match.text)
assert_equal(1, match.length)
end
def test_match_multi
rule = Choice.new(%w<a b>)
match = rule.match(input('ab'))
assert(match)
assert_equal('a', match.text)
assert_equal(1, match.length)
match = rule.match(input('ba'))
assert(match)
assert_equal('b', match.text)
assert_equal(1, match.length)
end
def test_match_embed
rule = Choice.new([ /\d+/, Choice.new(%w<+ ->) ])
match = rule.match(input('1+'))
assert(match)
assert_equal('1', match.text)
assert_equal(1, match.length)
match = rule.match(input('+1'))
assert(match)
assert_equal('+', match.text)
assert_equal(1, match.length)
end
def test_to_s
rule = Choice.new(%w<a b>)
assert_equal('"a" | "b"', rule.to_s)
end
def test_to_s_embed
rule1 = Choice.new(%w<a b>)
rule2 = Choice.new(%w<c d>)
rule = Choice.new([rule1, rule2])
assert_equal('("a" | "b") | ("c" | "d")', rule.to_s)
end
end
Version data entries
7 entries across 7 versions & 1 rubygems