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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-06-19 04:42:16 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-06-19 04:42:16 +0000 |
commit | b2066b11d85fc312381b9f4bd4ff4da7cd0dd07b (patch) | |
tree | 5cfda819fe0f582bb30630994cf1617cef05abf3 /test/ruby | |
parent | 2443fbcccfbf4c56d1bbaa2040535ad806b6e6a1 (diff) | |
download | ruby-b2066b11d85fc312381b9f4bd4ff4da7cd0dd07b.tar.gz |
proc.c: Implement Method#curry
* proc.c (rb_method_curry): Implement Method#curry, which delegates
to to_proc.curry. [ruby-core:62212] [Feature #9783]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46461 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby')
-rw-r--r-- | test/ruby/test_method.rb | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/ruby/test_method.rb b/test/ruby/test_method.rb index f478e11486..9b2291ffe5 100644 --- a/test/ruby/test_method.rb +++ b/test/ruby/test_method.rb @@ -755,4 +755,55 @@ class TestMethod < Test::Unit::TestCase m = assert_nothing_raised(NameError, feature8391) {break o.singleton_method(:bar)} assert_equal(:bar, m.call, feature8391) end + + Feature9783 = '[ruby-core:62212] [Feature #9783]' + + def assert_curry_three_args(m) + curried = m.curry + assert_equal(6, curried.(1).(2).(3), Feature9783) + + curried = m.curry(3) + assert_equal(6, curried.(1).(2).(3), Feature9783) + + assert_raise_with_message(ArgumentError, /wrong number/) {m.curry(2)} + end + + def test_curry_method + c = Class.new { + def three_args(a,b,c) a + b + c end + } + assert_curry_three_args(c.new.method(:three_args)) + end + + def test_curry_from_proc + c = Class.new { + define_method(:three_args) {|a,b,c| a + b + c} + } + assert_curry_three_args(c.new.method(:three_args)) + end + + def assert_curry_var_args(m) + curried = m.curry(3) + assert_equal([1, 2, 3], curried.(1).(2).(3), Feature9783) + + curried = m.curry(2) + assert_equal([1, 2], curried.(1).(2), Feature9783) + + curried = m.curry(0) + assert_equal([1], curried.(1), Feature9783) + end + + def test_curry_var_args + c = Class.new { + def var_args(*args) args end + } + assert_curry_var_args(c.new.method(:var_args)) + end + + def test_curry_from_proc_var_args + c = Class.new { + define_method(:var_args) {|*args| args} + } + assert_curry_var_args(c.new.method(:var_args)) + end end |