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* array.c (rb_ary_permutation, rb_ary_repeated_permutation, rb_ary_repeated_combination, rb_ary_product): use ary_make_shared_copy instead of ary_make_substitution. [ruby-dev:42067] [Bug #3708]

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* test/ruby/test_array.rb (test_product, test_repeated_permutation, test_repeated_combination): append assertions against [Bug #3708].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29044 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mrkn 2010-08-19 03:10:15 +00:00
parent fee5e4ff5f
commit 1d04aedb5a
3 changed files with 24 additions and 4 deletions
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10
test/ruby/test_array.rb
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@ -1528,6 +1528,10 @@ class TestArray < Test::Unit::TestCase
acc = [1,2].product(*[o]*10)
assert_equal([1,2].product([3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4], [3,4]),
acc)
a = []
[1, 2].product([0, 1, 2, 3, 4][1, 4]) {|x| a << x }
assert(a.all?{|x| !x.include?(0) })
end
def test_permutation
@ -1574,6 +1578,9 @@ class TestArray < Test::Unit::TestCase
a.repeated_permutation(4) {|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].repeated_permutation(4).to_a, b)
a = @cls[0, 1, 2, 3, 4][1, 4].repeated_permutation(2)
assert(a.all?{|x| !x.include?(0) })
end
def test_repeated_combination
@ -1600,6 +1607,9 @@ class TestArray < Test::Unit::TestCase
a.repeated_combination(4) {|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].repeated_combination(4).to_a, b)
a = @cls[0, 1, 2, 3, 4][1, 4].repeated_combination(2)
assert(a.all?{|x| !x.include?(0) })
end
def test_take