From 2849ee5d18360f26b55643a2643a1c597376865d Mon Sep 17 00:00:00 2001 From: knu Date: Sat, 18 May 2013 17:48:18 +0000 Subject: * lib/set.rb (Set#delete_if, Set#keep_if): Make Set#delete_if and Set#keep_if more space and time efficient by avoiding to_a. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40819 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/test_set.rb | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'test') diff --git a/test/test_set.rb b/test/test_set.rb index 1027cc1381..904118250c 100644 --- a/test/test_set.rb +++ b/test/test_set.rb @@ -368,6 +368,18 @@ class TC_Set < Test::Unit::TestCase assert_equal(Set[1,2,4,5,7,8,10], set) end + def test_keep_if + set = Set.new(1..10) + ret = set.keep_if { |i| i <= 10 } + assert_same(set, ret) + assert_equal(Set.new(1..10), set) + + set = Set.new(1..10) + ret = set.keep_if { |i| i % 3 != 0 } + assert_same(set, ret) + assert_equal(Set[1,2,4,5,7,8,10], set) + end + def test_collect! set = Set[1,2,3,'a','b','c',-1..1,2..4] -- cgit v1.2.3