Sha256: d44b4dcc47cdc95a0f963f265419fe86a3d45997adbff2a9803b0497a658081a
Contents?: true
Size: 644 Bytes
Versions: 14
Compression:
Stored size: 644 Bytes
Contents
require 'facets/array/combination'
require 'test/unit'
class TestEnumerableCombination < Test::Unit::TestCase
def test_combination
a = [1,2,3,4]
z = a.combination(2).to_a
r = [[1, 2], [1, 3], [1, 4], [2, 3], [2, 4], [3, 4]]
assert_equal( r, z )
end
def test_combination_with_block
r = []
a = [1,2,3,4]
a.combination(2){ |a,b| r << [a,b] }
assert_equal( [[1,2],[1,3],[1,4],[2,3],[2,4],[3,4]], r )
end
# DEPRECATED
# def test_each_unique_pair
# r = []
# a = [1,2,3,4]
# a.each_unique_pair{ |a,b| r << [a,b] }
# assert_equal( [[1,2],[1,3],[1,4],[2,3],[2,4],[3,4]], r )
# end
end
Version data entries
14 entries across 14 versions & 1 rubygems