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Contents
$:.unshift(File.dirname(__FILE__)+'/../lib/')
require 'statsample'
require 'test/unit'
class StatsamplePermutationTestCase < Test::Unit::TestCase
def initialize(*args)
super
end
def test_number_of_permutations
per1=Statsample::Permutation.new(4)
assert_equal(24,per1.permutation_number)
per2=Statsample::Permutation.new([1,1,1,0,0,0])
assert_equal(20,per2.permutation_number)
end
def test_permutation_with_number
per1=Statsample::Permutation.new(2)
exp1=[[0,1],[1,0]]
assert_equal(exp1,per1.permutations)
per2=Statsample::Permutation.new(3)
exp2=[[0,1,2],[0,2,1],[1,0,2],[1,2,0],[2,0,1],[2,1,0]]
assert_equal(exp2,per2.permutations)
end
def test_permutation_with_array_simple
per1=Statsample::Permutation.new(%w{a b})
exp1=[['a','b'],['b','a']]
assert_equal(exp1,per1.permutations)
per2=Statsample::Permutation.new(%w{a b c})
exp2=[%w{a b c},%w{a c b},%w{b a c} ,%w{b c a},%w{c a b},%w{c b a}]
assert_equal(exp2,per2.permutations)
end
def test_permutation_with_array_repeated
per1=Statsample::Permutation.new([0,0,1,1])
exp1=[[0,0,1,1],[0,1,0,1],[0,1,1,0],[1,0,0,1],[1,0,1,0],[1,1,0,0]]
assert_equal(exp1,per1.permutations)
end
end
Version data entries
8 entries across 8 versions & 1 rubygems