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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-03-20 04:27:32 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-03-20 04:27:32 +0000 |
commit | 9ce419a45c521d8c41773ad29cb9ccec3be05028 (patch) | |
tree | 22a94afde9b375588a2d0d9aef267690e6f2d5b6 /test/ruby/test_array.rb | |
parent | c9dd4823d98141754842c0b356b141d94ba36604 (diff) | |
download | ruby-9ce419a45c521d8c41773ad29cb9ccec3be05028.tar.gz |
* array.c (rb_ary_uniq_bang): the array is already unique if the
length is zero or one.
(rb_ary_uniq): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26987 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby/test_array.rb')
-rw-r--r-- | test/ruby/test_array.rb | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb index 98acfe9d29..69d3f1d75c 100644 --- a/test/ruby/test_array.rb +++ b/test/ruby/test_array.rb @@ -1308,6 +1308,30 @@ class TestArray < Test::Unit::TestCase end def test_uniq + a = [] + b = a.uniq + assert_equal([], a) + assert_equal([], b) + assert_not_same(a, b) + + a = [1] + b = a.uniq + assert_equal([1], a) + assert_equal([1], b) + assert_not_same(a, b) + + a = [1,1] + b = a.uniq + assert_equal([1,1], a) + assert_equal([1], b) + assert_not_same(a, b) + + a = [1,2] + b = a.uniq + assert_equal([1,2], a) + assert_equal([1,2], b) + assert_not_same(a, b) + a = @cls[ 1, 2, 3, 2, 1, 2, 3, 4, nil ] b = a.dup assert_equal(@cls[1, 2, 3, 4, nil], a.uniq) @@ -1322,6 +1346,25 @@ class TestArray < Test::Unit::TestCase end def test_uniq! + a = [] + b = a.uniq! + assert_equal(nil, b) + + a = [1] + b = a.uniq! + assert_equal(nil, b) + + a = [1,1] + b = a.uniq! + assert_equal([1], a) + assert_equal([1], b) + assert_same(a, b) + + a = [1,2] + b = a.uniq! + assert_equal([1,2], a) + assert_equal(nil, b) + a = @cls[ 1, 2, 3, 2, 1, 2, 3, 4, nil ] assert_equal(@cls[1, 2, 3, 4, nil], a.uniq!) assert_equal(@cls[1, 2, 3, 4, nil], a) |