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Diffstat (limited to 'test/test_set.rb')
-rw-r--r-- | test/test_set.rb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/test_set.rb b/test/test_set.rb index 4c6730d141..b20920e63e 100644 --- a/test/test_set.rb +++ b/test/test_set.rb @@ -545,6 +545,24 @@ class TC_Set < Test::Unit::TestCase assert_equal(Set.new(1..10), set) end + def test_filter! + set = Set.new(1..10) + ret = set.filter! { |i| i <= 10 } + assert_equal(nil, ret) + assert_equal(Set.new(1..10), set) + + set = Set.new(1..10) + ret = set.filter! { |i| i % 3 != 0 } + assert_same(set, ret) + assert_equal(Set[1,2,4,5,7,8,10], set) + + set = Set.new(1..10) + enum = set.filter! + assert_equal(set.size, enum.size) + assert_equal(nil, enum.each { |i| i <= 10 }) + assert_equal(Set.new(1..10), set) + end + def test_merge set = Set[1,2,3] |