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author | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-08-09 08:54:15 +0000 |
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committer | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-08-09 08:54:15 +0000 |
commit | ea5184b939ec3dbdcbd7013da350b8dcb6ca6107 (patch) | |
tree | e4e0e60e4b59d9f33a8f05a9864ffd0ff660b2fb /test | |
parent | cb18d4ba462e50149d2d9a5066ecdbac44d32905 (diff) | |
download | ruby-ea5184b939ec3dbdcbd7013da350b8dcb6ca6107.tar.gz |
hash.c: implement Hash#map_v and Hash#map_v!
* hash.c (rb_hash_map_v, rb_hash_map_v_bang): impelement Hash#map_v and
Hash#map_v! [Feature #12512] [ruby-core:76095]
* test/ruby/test_hash.rb: add tests for above change.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55847 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_hash.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/ruby/test_hash.rb b/test/ruby/test_hash.rb index 6a8e7f0423..2b2f154803 100644 --- a/test/ruby/test_hash.rb +++ b/test/ruby/test_hash.rb @@ -1415,6 +1415,27 @@ class TestHash < Test::Unit::TestCase assert_equal([10, 20, 30], [1, 2, 3].map(&h)) end + def test_map_v + x = @cls[a: 1, b: 2, c: 3] + y = x.map_v {|v| v ** 2 } + assert_equal([1, 4, 9], y.values_at(:a, :b, :c)) + assert_not_same(x, y) + + y = x.map_v.with_index {|v, i| "#{v}.#{i}" } + assert_equal(%w(1.0 2.1 3.2), y.values_at(:a, :b, :c)) + end + + def test_map_v_bang + x = @cls[a: 1, b: 2, c: 3] + y = x.map_v! {|v| v ** 2 } + assert_equal([1, 4, 9], y.values_at(:a, :b, :c)) + assert_same(x, y) + + x = @cls[a: 1, b: 2, c: 3] + y = x.map_v!.with_index {|v, i| "#{v}.#{i}" } + assert_equal(%w(1.0 2.1 3.2), y.values_at(:a, :b, :c)) + end + class TestSubHash < TestHash class SubHash < Hash def reject(*) |