diff options
Diffstat (limited to 'test/ruby')
| -rw-r--r-- | test/ruby/test_array.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb index 0d88f26dc0..4d2b05304b 100644 --- a/test/ruby/test_array.rb +++ b/test/ruby/test_array.rb @@ -1177,4 +1177,26 @@ class TestArray < Test::Unit::TestCase assert_equal(@cls[1,2], @cls[1, 2] | @cls[1, 2]) end +# def test_permutation +# assert_equal(@cls[], @cls[1,2,3].permutation(0).to_a) +# assert_equal(@cls[[1],[2],[3]], @cls[1,2,3].permutation(1).to_a) +# assert_equal(@cls[[1,2],[1,3],[2,1],[2,3],[3,1],[3,2]], @cls[1,2,3].permutation(2).to_a) +# assert_equal(@cls[[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,1,2],[3,2,1]], @cls[1,2,3].permutation(3).to_a) +# assert_equal(@cls[], @cls[1,2,3].permutation(4).to_a) +# end + + def test_combination + assert_equal(@cls[], @cls[1,2,3,4].combination(0).to_a) + assert_equal(@cls[[1],[2],[3],[4]], @cls[1,2,3,4].combination(1).to_a) + assert_equal(@cls[[1,2],[1,3],[1,4],[2,3],[2,4],[3,4]], @cls[1,2,3,4].combination(2).to_a) + assert_equal(@cls[[1,2,3],[1,2,4],[1,3,4],[2,3,4]], @cls[1,2,3,4].combination(3).to_a) + assert_equal(@cls[[1,2,3,4]], @cls[1,2,3,4].combination(4).to_a) + assert_equal(@cls[], @cls[1,2,3,4].combination(5).to_a) + end + + def test_product + assert_equal(@cls[[1,4],[1,5],[2,4],[2,5],[3,4],[3,5]], + @cls[1,2,3].product([4,5])) + assert_equal(@cls[[1,1],[1,2],[2,1],[2,2]], @cls[1,2].product([1,2])) + end end |