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* array.c (ary_make_shared), test/ruby/test_array.rb (test_permutation): always return the original array when it is shared. [ruby-dev:42067] [Bug #3708]

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29037 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mrkn 2010-08-18 09:42:36 +00:00
parent 21cf543d38
commit 4023ffa92f
3 changed files with 11 additions and 4 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Wed Aug 18 18:36:32 2010 Kenta Murata <mrkn@mrkn.jp>
* array.c (ary_make_shared),
test/ruby/test_array.rb (test_permutation):
always return the original array when it is shared.
[ruby-dev:42067] [Bug #3708]
Wed Aug 18 01:37:49 2010 NARUSE, Yui <naruse@ruby-lang.org>
* regcomp.c: revert r26701; it introduces Bug #3681.

5
array.c
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@ -409,10 +409,7 @@ static VALUE
ary_make_shared(VALUE ary)
{
assert(!ARY_EMBED_P(ary));
if (ARY_SHARED_P(ary)) {
return ARY_SHARED(ary);
}
else if (ARY_SHARED_ROOT_P(ary)) {
if (ARY_SHARED_P(ary) || ARY_SHARED_ROOT_P(ary)) {
return ary;
}
else if (OBJ_FROZEN(ary)) {

3
test/ruby/test_array.rb
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@ -1549,6 +1549,9 @@ class TestArray < Test::Unit::TestCase
a.permutation {|x| b << x; a.replace(@cls[9, 8, 7, 6]) }
assert_equal(@cls[9, 8, 7, 6], a)
assert_equal(@cls[1, 2, 3, 4].permutation.to_a, b)
bug3708 = '[ruby-dev:42067]'
assert_equal(b, @cls[0, 1, 2, 3, 4][1, 4].permutation.to_a, bug3708)
end
def test_repeated_permutation