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* object.c (rb_Hash): add Kernel#Hash conversion method like

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Array() or Float().  a patch from Run Paint Run Run.  Fix #3131

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34367 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2012-01-24 04:02:30 +00:00
parent ac2683c809
commit 498838c662
4 changed files with 53 additions and 0 deletions
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13
test/ruby/test_object.rb
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@ -197,6 +197,19 @@ class TestObject < Test::Unit::TestCase
assert_equal([o], Array(o))
end
def test_convert_hash
assert_equal(Hash(nil), {})
assert_equal(Hash([]), {})
assert_equal(Hash(key: :value), {key: :value})
assert_raise(TypeError) { Hash([1,2]) }
assert_raise(TypeError) { Hash(Object.new) }
o = Object.new
def o.to_hash; {a: 1, b: 2}; end
assert_equal(Hash(o), {a: 1, b: 2})
def o.to_hash; 9; end
assert_raise(TypeError) { Hash(o) }
end
def test_to_integer
o = Object.new
def o.to_i; nil; end