mirror of
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ae042f21fb
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50727 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
697 lines
15 KiB
Ruby
697 lines
15 KiB
Ruby
require 'test/unit'
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require 'set'
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class TC_Set < Test::Unit::TestCase
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def test_aref
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assert_nothing_raised {
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Set[]
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Set[nil]
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Set[1,2,3]
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}
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assert_equal(0, Set[].size)
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assert_equal(1, Set[nil].size)
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assert_equal(1, Set[[]].size)
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assert_equal(1, Set[[nil]].size)
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set = Set[2,4,6,4]
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assert_equal(Set.new([2,4,6]), set)
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end
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def test_s_new
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assert_nothing_raised {
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Set.new()
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Set.new(nil)
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Set.new([])
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Set.new([1,2])
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Set.new('a'..'c')
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}
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assert_raise(ArgumentError) {
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Set.new(false)
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}
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assert_raise(ArgumentError) {
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Set.new(1)
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}
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assert_raise(ArgumentError) {
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Set.new(1,2)
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}
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assert_equal(0, Set.new().size)
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assert_equal(0, Set.new(nil).size)
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assert_equal(0, Set.new([]).size)
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assert_equal(1, Set.new([nil]).size)
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ary = [2,4,6,4]
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set = Set.new(ary)
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ary.clear
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assert_equal(false, set.empty?)
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assert_equal(3, set.size)
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ary = [1,2,3]
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s = Set.new(ary) { |o| o * 2 }
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assert_equal([2,4,6], s.sort)
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end
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def test_clone
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set1 = Set.new
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set2 = set1.clone
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set1 << 'abc'
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assert_equal(Set.new, set2)
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end
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def test_dup
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set1 = Set[1,2]
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set2 = set1.dup
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assert_not_same(set1, set2)
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assert_equal(set1, set2)
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set1.add(3)
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assert_not_equal(set1, set2)
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end
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def test_size
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assert_equal(0, Set[].size)
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assert_equal(2, Set[1,2].size)
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assert_equal(2, Set[1,2,1].size)
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end
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def test_empty?
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assert_equal(true, Set[].empty?)
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assert_equal(false, Set[1, 2].empty?)
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end
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def test_clear
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set = Set[1,2]
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ret = set.clear
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assert_same(set, ret)
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assert_equal(true, set.empty?)
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end
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def test_replace
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set = Set[1,2]
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ret = set.replace('a'..'c')
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assert_same(set, ret)
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assert_equal(Set['a','b','c'], set)
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set = Set[1,2]
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assert_raise(ArgumentError) {
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set.replace(3)
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}
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assert_equal(Set[1,2], set)
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end
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def test_to_a
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set = Set[1,2,3,2]
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ary = set.to_a
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assert_equal([1,2,3], ary.sort)
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end
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def test_flatten
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# test1
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set1 = Set[
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1,
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Set[
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5,
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Set[7,
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Set[0]
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],
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Set[6,2],
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1
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],
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3,
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Set[3,4]
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]
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set2 = set1.flatten
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set3 = Set.new(0..7)
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assert_not_same(set2, set1)
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assert_equal(set3, set2)
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# test2; destructive
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orig_set1 = set1
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set1.flatten!
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assert_same(orig_set1, set1)
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assert_equal(set3, set1)
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# test3; multiple occurrences of a set in an set
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set1 = Set[1, 2]
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set2 = Set[set1, Set[set1, 4], 3]
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assert_nothing_raised {
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set2.flatten!
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}
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assert_equal(Set.new(1..4), set2)
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# test4; recursion
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set2 = Set[]
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set1 = Set[1, set2]
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set2.add(set1)
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assert_raise(ArgumentError) {
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set1.flatten!
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}
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# test5; miscellaneous
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empty = Set[]
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set = Set[Set[empty, "a"],Set[empty, "b"]]
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assert_nothing_raised {
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set.flatten
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}
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set1 = empty.merge(Set["no_more", set])
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assert_nil(Set.new(0..31).flatten!)
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x = Set[Set[],Set[1,2]].flatten!
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y = Set[1,2]
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assert_equal(x, y)
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end
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def test_include?
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set = Set[1,2,3]
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assert_equal(true, set.include?(1))
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assert_equal(true, set.include?(2))
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assert_equal(true, set.include?(3))
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assert_equal(false, set.include?(0))
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assert_equal(false, set.include?(nil))
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set = Set["1",nil,"2",nil,"0","1",false]
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assert_equal(true, set.include?(nil))
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assert_equal(true, set.include?(false))
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assert_equal(true, set.include?("1"))
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assert_equal(false, set.include?(0))
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assert_equal(false, set.include?(true))
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end
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def test_superset?
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set = Set[1,2,3]
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assert_raise(ArgumentError) {
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set.superset?()
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}
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assert_raise(ArgumentError) {
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set.superset?(2)
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}
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assert_raise(ArgumentError) {
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set.superset?([2])
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}
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assert_equal(true, set.superset?(Set[]))
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assert_equal(true, set.superset?(Set[1,2]))
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assert_equal(true, set.superset?(Set[1,2,3]))
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assert_equal(false, set.superset?(Set[1,2,3,4]))
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assert_equal(false, set.superset?(Set[1,4]))
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assert_equal(true, set >= Set[1,2,3])
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assert_equal(true, set >= Set[1,2])
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assert_equal(true, Set[].superset?(Set[]))
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end
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def test_proper_superset?
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set = Set[1,2,3]
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assert_raise(ArgumentError) {
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set.proper_superset?()
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}
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assert_raise(ArgumentError) {
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set.proper_superset?(2)
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}
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assert_raise(ArgumentError) {
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set.proper_superset?([2])
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}
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assert_equal(true, set.proper_superset?(Set[]))
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assert_equal(true, set.proper_superset?(Set[1,2]))
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assert_equal(false, set.proper_superset?(Set[1,2,3]))
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assert_equal(false, set.proper_superset?(Set[1,2,3,4]))
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assert_equal(false, set.proper_superset?(Set[1,4]))
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assert_equal(false, set > Set[1,2,3])
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assert_equal(true, set > Set[1,2])
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assert_equal(false, Set[].proper_superset?(Set[]))
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end
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def test_subset?
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set = Set[1,2,3]
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assert_raise(ArgumentError) {
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set.subset?()
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}
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assert_raise(ArgumentError) {
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set.subset?(2)
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}
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assert_raise(ArgumentError) {
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set.subset?([2])
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}
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assert_equal(true, set.subset?(Set[1,2,3,4]))
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assert_equal(true, set.subset?(Set[1,2,3]))
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assert_equal(false, set.subset?(Set[1,2]))
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assert_equal(false, set.subset?(Set[]))
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assert_equal(true, set <= Set[1,2,3])
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assert_equal(true, set <= Set[1,2,3,4])
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assert_equal(true, Set[].subset?(Set[1]))
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assert_equal(true, Set[].subset?(Set[]))
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end
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def test_proper_subset?
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set = Set[1,2,3]
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assert_raise(ArgumentError) {
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set.proper_subset?()
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}
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assert_raise(ArgumentError) {
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set.proper_subset?(2)
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}
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assert_raise(ArgumentError) {
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set.proper_subset?([2])
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}
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assert_equal(true, set.proper_subset?(Set[1,2,3,4]))
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assert_equal(false, set.proper_subset?(Set[1,2,3]))
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assert_equal(false, set.proper_subset?(Set[1,2]))
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assert_equal(false, set.proper_subset?(Set[]))
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assert_equal(false, set < Set[1,2,3])
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assert_equal(true, set < Set[1,2,3,4])
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assert_equal(false, Set[].proper_subset?(Set[]))
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end
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def assert_intersect(expected, set, other)
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case expected
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when true
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assert_send([set, :intersect?, other])
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assert_send([other, :intersect?, set])
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assert_not_send([set, :disjoint?, other])
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assert_not_send([other, :disjoint?, set])
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when false
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assert_not_send([set, :intersect?, other])
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assert_not_send([other, :intersect?, set])
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assert_send([set, :disjoint?, other])
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assert_send([other, :disjoint?, set])
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when Class
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assert_raise(expected) {
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set.intersect?(other)
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}
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assert_raise(expected) {
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set.disjoint?(other)
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}
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else
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raise ArgumentError, "%s: unsupported expected value: %s" % [__method__, expected.inspect]
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end
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end
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def test_intersect?
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set = Set[3,4,5]
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assert_intersect(ArgumentError, set, 3)
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assert_intersect(ArgumentError, set, [2,4,6])
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assert_intersect(true, set, set)
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assert_intersect(true, set, Set[2,4])
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assert_intersect(true, set, Set[5,6,7])
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assert_intersect(true, set, Set[1,2,6,8,4])
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assert_intersect(false, set, Set[])
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assert_intersect(false, set, Set[0,2])
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assert_intersect(false, set, Set[0,2,6])
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assert_intersect(false, set, Set[0,2,6,8,10])
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# Make sure set hasn't changed
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assert_equal(Set[3,4,5], set)
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end
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def test_each
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ary = [1,3,5,7,10,20]
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set = Set.new(ary)
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ret = set.each { |o| }
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assert_same(set, ret)
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e = set.each
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assert_instance_of(Enumerator, e)
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assert_nothing_raised {
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set.each { |o|
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ary.delete(o) or raise "unexpected element: #{o}"
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}
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ary.empty? or raise "forgotten elements: #{ary.join(', ')}"
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}
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end
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def test_add
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set = Set[1,2,3]
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ret = set.add(2)
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assert_same(set, ret)
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assert_equal(Set[1,2,3], set)
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ret = set.add?(2)
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assert_nil(ret)
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assert_equal(Set[1,2,3], set)
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ret = set.add(4)
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assert_same(set, ret)
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assert_equal(Set[1,2,3,4], set)
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ret = set.add?(5)
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assert_same(set, ret)
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assert_equal(Set[1,2,3,4,5], set)
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end
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def test_delete
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set = Set[1,2,3]
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ret = set.delete(4)
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assert_same(set, ret)
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assert_equal(Set[1,2,3], set)
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ret = set.delete?(4)
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assert_nil(ret)
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assert_equal(Set[1,2,3], set)
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ret = set.delete(2)
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assert_equal(set, ret)
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assert_equal(Set[1,3], set)
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ret = set.delete?(1)
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assert_equal(set, ret)
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assert_equal(Set[3], set)
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end
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def test_delete_if
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set = Set.new(1..10)
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ret = set.delete_if { |i| i > 10 }
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assert_same(set, ret)
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assert_equal(Set.new(1..10), set)
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set = Set.new(1..10)
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ret = set.delete_if { |i| i % 3 == 0 }
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assert_same(set, ret)
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assert_equal(Set[1,2,4,5,7,8,10], set)
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end
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def test_keep_if
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set = Set.new(1..10)
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ret = set.keep_if { |i| i <= 10 }
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assert_same(set, ret)
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assert_equal(Set.new(1..10), set)
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set = Set.new(1..10)
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ret = set.keep_if { |i| i % 3 != 0 }
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assert_same(set, ret)
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assert_equal(Set[1,2,4,5,7,8,10], set)
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end
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def test_collect!
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set = Set[1,2,3,'a','b','c',-1..1,2..4]
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ret = set.collect! { |i|
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case i
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when Numeric
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i * 2
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when String
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i.upcase
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else
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nil
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end
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}
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assert_same(set, ret)
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assert_equal(Set[2,4,6,'A','B','C',nil], set)
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end
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def test_reject!
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set = Set.new(1..10)
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ret = set.reject! { |i| i > 10 }
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assert_nil(ret)
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assert_equal(Set.new(1..10), set)
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ret = set.reject! { |i| i % 3 == 0 }
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assert_same(set, ret)
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assert_equal(Set[1,2,4,5,7,8,10], set)
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end
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def test_merge
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set = Set[1,2,3]
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ret = set.merge([2,4,6])
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assert_same(set, ret)
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assert_equal(Set[1,2,3,4,6], set)
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end
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def test_subtract
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set = Set[1,2,3]
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ret = set.subtract([2,4,6])
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assert_same(set, ret)
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assert_equal(Set[1,3], set)
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end
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def test_plus
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set = Set[1,2,3]
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ret = set + [2,4,6]
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assert_not_same(set, ret)
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assert_equal(Set[1,2,3,4,6], ret)
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end
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def test_minus
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set = Set[1,2,3]
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ret = set - [2,4,6]
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assert_not_same(set, ret)
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assert_equal(Set[1,3], ret)
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end
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def test_and
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set = Set[1,2,3,4]
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ret = set & [2,4,6]
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assert_not_same(set, ret)
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assert_equal(Set[2,4], ret)
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end
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def test_xor
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set = Set[1,2,3,4]
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ret = set ^ [2,4,5,5]
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assert_not_same(set, ret)
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assert_equal(Set[1,3,5], ret)
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end
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def test_eq
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set1 = Set[2,3,1]
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set2 = Set[1,2,3]
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assert_equal(set1, set1)
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assert_equal(set1, set2)
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assert_not_equal(Set[1], [1])
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set1 = Class.new(Set)["a", "b"]
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set2 = Set["a", "b", set1]
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set1 = set1.add(set1.clone)
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assert_equal(set2, set2.clone)
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assert_equal(set1.clone, set1)
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assert_not_equal(Set[Exception.new,nil], Set[Exception.new,Exception.new], "[ruby-dev:26127]")
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end
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def test_classify
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set = Set.new(1..10)
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ret = set.classify { |i| i % 3 }
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assert_equal(3, ret.size)
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assert_instance_of(Hash, ret)
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ret.each_value { |value| assert_instance_of(Set, value) }
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assert_equal(Set[3,6,9], ret[0])
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assert_equal(Set[1,4,7,10], ret[1])
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assert_equal(Set[2,5,8], ret[2])
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end
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def test_divide
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set = Set.new(1..10)
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ret = set.divide { |i| i % 3 }
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assert_equal(3, ret.size)
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n = 0
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ret.each { |s| n += s.size }
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assert_equal(set.size, n)
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assert_equal(set, ret.flatten)
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set = Set[7,10,5,11,1,3,4,9,0]
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ret = set.divide { |a,b| (a - b).abs == 1 }
|
|
|
|
assert_equal(4, ret.size)
|
|
n = 0
|
|
ret.each { |s| n += s.size }
|
|
assert_equal(set.size, n)
|
|
assert_equal(set, ret.flatten)
|
|
ret.each { |s|
|
|
if s.include?(0)
|
|
assert_equal(Set[0,1], s)
|
|
elsif s.include?(3)
|
|
assert_equal(Set[3,4,5], s)
|
|
elsif s.include?(7)
|
|
assert_equal(Set[7], s)
|
|
elsif s.include?(9)
|
|
assert_equal(Set[9,10,11], s)
|
|
else
|
|
raise "unexpected group: #{s.inspect}"
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_taintness
|
|
orig = set = Set[1,2,3]
|
|
assert_equal false, set.tainted?
|
|
assert_same orig, set.taint
|
|
assert_equal true, set.tainted?
|
|
assert_same orig, set.untaint
|
|
assert_equal false, set.tainted?
|
|
end
|
|
|
|
def test_freeze
|
|
orig = set = Set[1,2,3]
|
|
assert_equal false, set.frozen?
|
|
set << 4
|
|
assert_same orig, set.freeze
|
|
assert_equal true, set.frozen?
|
|
assert_raise(RuntimeError) {
|
|
set << 5
|
|
}
|
|
assert_equal 4, set.size
|
|
end
|
|
|
|
def test_freeze_dup
|
|
set1 = Set[1,2,3]
|
|
set1.freeze
|
|
set2 = set1.dup
|
|
|
|
assert_not_predicate set2, :frozen?
|
|
assert_nothing_raised {
|
|
set2.add 4
|
|
}
|
|
end
|
|
|
|
def test_freeze_clone
|
|
set1 = Set[1,2,3]
|
|
set1.freeze
|
|
set2 = set1.clone
|
|
|
|
assert_predicate set2, :frozen?
|
|
assert_raise(RuntimeError) {
|
|
set2.add 5
|
|
}
|
|
end
|
|
|
|
def test_inspect
|
|
set1 = Set[1]
|
|
|
|
assert_equal('#<Set: {1}>', set1.inspect)
|
|
|
|
set2 = Set[Set[0], 1, 2, set1]
|
|
assert_equal(false, set2.inspect.include?('#<Set: {...}>'))
|
|
|
|
set1.add(set2)
|
|
assert_equal(true, set1.inspect.include?('#<Set: {...}>'))
|
|
end
|
|
end
|
|
|
|
class TC_SortedSet < Test::Unit::TestCase
|
|
def test_sortedset
|
|
s = SortedSet[4,5,3,1,2]
|
|
|
|
assert_equal([1,2,3,4,5], s.to_a)
|
|
|
|
prev = nil
|
|
s.each { |o| assert(prev < o) if prev; prev = o }
|
|
assert_not_nil(prev)
|
|
|
|
s.map! { |o| -2 * o }
|
|
|
|
assert_equal([-10,-8,-6,-4,-2], s.to_a)
|
|
|
|
prev = nil
|
|
ret = s.each { |o| assert(prev < o) if prev; prev = o }
|
|
assert_not_nil(prev)
|
|
assert_same(s, ret)
|
|
|
|
s = SortedSet.new([2,1,3]) { |o| o * -2 }
|
|
assert_equal([-6,-4,-2], s.to_a)
|
|
|
|
s = SortedSet.new(['one', 'two', 'three', 'four'])
|
|
a = []
|
|
ret = s.delete_if { |o| a << o; o.start_with?('t') }
|
|
assert_same(s, ret)
|
|
assert_equal(['four', 'one'], s.to_a)
|
|
assert_equal(['four', 'one', 'three', 'two'], a)
|
|
|
|
s = SortedSet.new(['one', 'two', 'three', 'four'])
|
|
a = []
|
|
ret = s.reject! { |o| a << o; o.start_with?('t') }
|
|
assert_same(s, ret)
|
|
assert_equal(['four', 'one'], s.to_a)
|
|
assert_equal(['four', 'one', 'three', 'two'], a)
|
|
|
|
s = SortedSet.new(['one', 'two', 'three', 'four'])
|
|
a = []
|
|
ret = s.reject! { |o| a << o; false }
|
|
assert_same(nil, ret)
|
|
assert_equal(['four', 'one', 'three', 'two'], s.to_a)
|
|
assert_equal(['four', 'one', 'three', 'two'], a)
|
|
end
|
|
end
|
|
|
|
class TC_Enumerable < Test::Unit::TestCase
|
|
def test_to_set
|
|
ary = [2,5,4,3,2,1,3]
|
|
|
|
set = ary.to_set
|
|
assert_instance_of(Set, set)
|
|
assert_equal([1,2,3,4,5], set.sort)
|
|
|
|
set = ary.to_set { |o| o * -2 }
|
|
assert_instance_of(Set, set)
|
|
assert_equal([-10,-8,-6,-4,-2], set.sort)
|
|
|
|
assert_same set, set.to_set
|
|
assert_not_same set, set.to_set { |o| o }
|
|
|
|
set = ary.to_set(SortedSet)
|
|
assert_instance_of(SortedSet, set)
|
|
assert_equal([1,2,3,4,5], set.to_a)
|
|
|
|
set = ary.to_set(SortedSet) { |o| o * -2 }
|
|
assert_instance_of(SortedSet, set)
|
|
assert_equal([-10,-8,-6,-4,-2], set.sort)
|
|
end
|
|
end
|