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Optimize Enumerable#grep{_v}

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[Bug #17030]
This commit is contained in:
Marc-Andre Lafortune 2020-12-08 21:20:37 -05:00 • committed by Marc-André Lafortune
parent a039dc018c
commit d5f0d338c7
Notes: git 2020-12-16 02:55:10 +09:00
5 changed files with 99 additions and 26 deletions
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21
test/ruby/test_enum.rb
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@ -63,6 +63,27 @@ class TestEnumerable < Test::Unit::TestCase
assert_equal([[2, 1], [2, 4]], a)
end
def test_grep_optimization
bug17030 = '[ruby-core:99156]'
'set last match' =~ /set last (.*)/
assert_equal([:a, 'b', :c], [:a, 'b', 'z', :c, 42, nil].grep(/[a-d]/))
assert_equal(['z', 42, nil], [:a, 'b', 'z', :c, 42, nil].grep_v(/[a-d]/))
assert_equal('match', $1)
regexp = Regexp.new('x')
assert_equal([], @obj.grep(regexp)) # sanity check
def regexp.===(other)
true
end
assert_equal([1, 2, 3, 1, 2], @obj.grep(regexp))
o = Object.new
def o.to_str
'hello'
end
assert_same(o, [o].grep(/ll/).first)
end
def test_count
assert_equal(5, @obj.count)
assert_equal(2, @obj.count(1))