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* lib/set.rb (Set#^): Fix XOR operation against a container that

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holds duplicate values. [issue: #6444]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@11265 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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knu 2006-11-02 05:52:12 +00:00
parent 3963aaa75b
commit 30065371d1
2 changed files with 14 additions and 2 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Thu Nov 2 14:48:30 2006 Akinori MUSHA <knu@iDaemons.org>
* lib/set.rb (Set#^): Fix XOR operation against a container that
holds duplicate values. [issue: #6444]
Wed Nov 1 02:41:38 2006 Akinori MUSHA <knu@iDaemons.org>
* ext/digest/lib/digest/hmac.rb (Digest::HMAC::update): Minor

11
lib/set.rb
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@ -301,8 +301,8 @@ class Set
# ((set | enum) - (set & enum)).
def ^(enum)
enum.is_a?(Enumerable) or raise ArgumentError, "value must be enumerable"
n = dup
enum.each { |o| if n.include?(o) then n.delete(o) else n.add(o) end }
n = Set.new(enum)
each { |o| if n.include?(o) then n.delete(o) else n.add(o) end }
n
end
@ -1049,6 +1049,13 @@ class TC_Set < Test::Unit::TestCase
assert_equal(Set[2,4], ret)
end
def test_xor
set = Set[1,2,3,4]
ret = set ^ [2,4,5,5]
assert_not_same(set, ret)
assert_equal(Set[1,3,5], ret)
end
def test_eq
set1 = Set[2,3,1]
set2 = Set[1,2,3]