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* lib/tsort.rb: Returns an enumerator if no block is given.

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[ruby-core:66270] [Feature #10508] Proposed by Andrey Savchenko.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2014-11-26 10:46:50 +00:00
parent eab191040e
commit 0eadc632c1
3 changed files with 26 additions and 6 deletions
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13
test/test_tsort.rb
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@ -57,6 +57,9 @@ class TSortTest < Test::Unit::TestCase # :nodoc:
r = []
TSort.tsort_each(each_node, each_child) {|n| r << n }
assert_equal([4, 2, 3, 1], r)
r = TSort.tsort_each(each_node, each_child).map {|n| n.to_s }
assert_equal(['4', '2', '3', '1'], r)
end
def test_s_strongly_connected_components
@ -85,6 +88,11 @@ class TSortTest < Test::Unit::TestCase # :nodoc:
r << scc
}
assert_equal([[4], [2, 3], [1]], r)
r = TSort.each_strongly_connected_component(each_node, each_child).map {|scc|
scc.map(&:to_s)
}
assert_equal([['4'], ['2', '3'], ['1']], r)
end
def test_s_each_strongly_connected_component_from
@ -95,6 +103,11 @@ class TSortTest < Test::Unit::TestCase # :nodoc:
r << scc
}
assert_equal([[4], [2, 3], [1]], r)
r = TSort.each_strongly_connected_component_from(1, each_child).map {|scc|
scc.map(&:to_s)
}
assert_equal([['4'], ['2', '3'], ['1']], r)
end
end