From 22434473c72b27bbf699cfcb62f2df38c71cfe10 Mon Sep 17 00:00:00 2001 From: shugo Date: Tue, 13 Mar 2012 23:08:15 +0000 Subject: * enumerator.c (lazy_zip): add Enumerable::Lazy#flat_map. * enumerator.c (lazy_lazy): just returns self. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35003 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/ruby/test_lazy_enumerator.rb | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'test/ruby') diff --git a/test/ruby/test_lazy_enumerator.rb b/test/ruby/test_lazy_enumerator.rb index 9b74429a7f..6d96438454 100644 --- a/test/ruby/test_lazy_enumerator.rb +++ b/test/ruby/test_lazy_enumerator.rb @@ -109,4 +109,26 @@ class TestLazyEnumerator < Test::Unit::TestCase assert_equal('c', a.lazy.grep(/c/).first) assert_equal('c', a.current) end + + def test_zip + a = Step.new(1..3) + assert_equal([1, "a"], a.zip("a".."c").first) + assert_equal(3, a.current) + assert_equal([1, "a"], a.lazy.zip("a".."c").first) + assert_equal(1, a.current) + end + + def test_zip_without_arg + a = Step.new(1..3) + assert_equal([1], a.zip.first) + assert_equal(3, a.current) + assert_equal([1], a.lazy.zip.first) + assert_equal(1, a.current) + end + + def test_zip_with_block + a = Step.new(1..3) + assert_equal(["a", 1], a.lazy.zip("a".."c") {|x, y| [y, x]}.first) + assert_equal(1, a.current) + end end -- cgit v1.2.3