kotovalexarian-likes-github/ruby--ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
Code Releases Activity

* enumerator.c (lazy_zip, lazy_cycle): Enumerator::Lazy#{zip,cycle}

Browse source 
should be eager when a block is given, to be consistent with
  Enumerable#{zip,cycle}.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35041 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shugo 2012-03-15 09:25:03 +00:00
parent ff1f6107f9
commit 032861ade7
3 changed files with 28 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

18
test/ruby/test_lazy_enumerator.rb
View file

@ -139,9 +139,12 @@ class TestLazyEnumerator < Test::Unit::TestCase
end
def test_zip_with_block
# zip should be eager when a block is given
a = Step.new(1..3)
assert_equal(["a", 1], a.lazy.zip("a".."c") {|x, y| [y, x]}.first)
assert_equal(1, a.current)
ary = []
assert_equal(nil, a.lazy.zip("a".."c") {|x, y| ary << [x, y]})
assert_equal(a.zip("a".."c"), ary)
assert_equal(3, a.current)
end
def test_take
@ -190,8 +193,15 @@ class TestLazyEnumerator < Test::Unit::TestCase
assert_equal(3, a.current)
assert_equal("1", a.lazy.cycle(2).map(&:to_s).first)
assert_equal(1, a.current)
assert_equal("1", a.lazy.cycle(2, &:to_s).first)
assert_equal(1, a.current)
end
def test_cycle_with_block
# cycle should be eager when a block is given
a = Step.new(1..3)
ary = []
assert_equal(nil, a.lazy.cycle(2) {|i| ary << i})
assert_equal(a.cycle(2).to_a, ary)
assert_equal(3, a.current)
end
def test_force