From e58d0bd393ccd114c54bc7857feff281c4643a65 Mon Sep 17 00:00:00 2001
From: knu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 24 Nov 2012 18:51:45 +0000
Subject: Move tests embedded in lib/set.rb to test/test_set.rb.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37839 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/test_set.rb | 641 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 638 insertions(+), 3 deletions(-)

(limited to 'test')

diff --git a/test/test_set.rb b/test/test_set.rb
index dd4b4af348..1027cc1381 100644
--- a/test/test_set.rb
+++ b/test/test_set.rb
@@ -1,3 +1,638 @@
-require_relative 'inlinetest.rb'
-target = __FILE__[/test_(.*\.rb)$/, 1]
-InlineTest.loadtest__END__part(target)
+require 'test/unit'
+require 'set'
+
+class TC_Set < Test::Unit::TestCase
+  def test_aref
+    assert_nothing_raised {
+      Set[]
+      Set[nil]
+      Set[1,2,3]
+    }
+
+    assert_equal(0, Set[].size)
+    assert_equal(1, Set[nil].size)
+    assert_equal(1, Set[[]].size)
+    assert_equal(1, Set[[nil]].size)
+
+    set = Set[2,4,6,4]
+    assert_equal(Set.new([2,4,6]), set)
+  end
+
+  def test_s_new
+    assert_nothing_raised {
+      Set.new()
+      Set.new(nil)
+      Set.new([])
+      Set.new([1,2])
+      Set.new('a'..'c')
+    }
+    assert_raises(ArgumentError) {
+      Set.new(false)
+    }
+    assert_raises(ArgumentError) {
+      Set.new(1)
+    }
+    assert_raises(ArgumentError) {
+      Set.new(1,2)
+    }
+
+    assert_equal(0, Set.new().size)
+    assert_equal(0, Set.new(nil).size)
+    assert_equal(0, Set.new([]).size)
+    assert_equal(1, Set.new([nil]).size)
+
+    ary = [2,4,6,4]
+    set = Set.new(ary)
+    ary.clear
+    assert_equal(false, set.empty?)
+    assert_equal(3, set.size)
+
+    ary = [1,2,3]
+
+    s = Set.new(ary) { |o| o * 2 }
+    assert_equal([2,4,6], s.sort)
+  end
+
+  def test_clone
+    set1 = Set.new
+    set2 = set1.clone
+    set1 << 'abc'
+    assert_equal(Set.new, set2)
+  end
+
+  def test_dup
+    set1 = Set[1,2]
+    set2 = set1.dup
+
+    assert_not_same(set1, set2)
+
+    assert_equal(set1, set2)
+
+    set1.add(3)
+
+    assert_not_equal(set1, set2)
+  end
+
+  def test_size
+    assert_equal(0, Set[].size)
+    assert_equal(2, Set[1,2].size)
+    assert_equal(2, Set[1,2,1].size)
+  end
+
+  def test_empty?
+    assert_equal(true, Set[].empty?)
+    assert_equal(false, Set[1, 2].empty?)
+  end
+
+  def test_clear
+    set = Set[1,2]
+    ret = set.clear
+
+    assert_same(set, ret)
+    assert_equal(true, set.empty?)
+  end
+
+  def test_replace
+    set = Set[1,2]
+    ret = set.replace('a'..'c')
+
+    assert_same(set, ret)
+    assert_equal(Set['a','b','c'], set)
+  end
+
+  def test_to_a
+    set = Set[1,2,3,2]
+    ary = set.to_a
+
+    assert_equal([1,2,3], ary.sort)
+  end
+
+  def test_flatten
+    # test1
+    set1 = Set[
+      1,
+      Set[
+        5,
+        Set[7,
+          Set[0]
+        ],
+        Set[6,2],
+        1
+      ],
+      3,
+      Set[3,4]
+    ]
+
+    set2 = set1.flatten
+    set3 = Set.new(0..7)
+
+    assert_not_same(set2, set1)
+    assert_equal(set3, set2)
+
+    # test2; destructive
+    orig_set1 = set1
+    set1.flatten!
+
+    assert_same(orig_set1, set1)
+    assert_equal(set3, set1)
+
+    # test3; multiple occurrences of a set in an set
+    set1 = Set[1, 2]
+    set2 = Set[set1, Set[set1, 4], 3]
+
+    assert_nothing_raised {
+      set2.flatten!
+    }
+
+    assert_equal(Set.new(1..4), set2)
+
+    # test4; recursion
+    set2 = Set[]
+    set1 = Set[1, set2]
+    set2.add(set1)
+
+    assert_raises(ArgumentError) {
+      set1.flatten!
+    }
+
+    # test5; miscellaneous
+    empty = Set[]
+    set =  Set[Set[empty, "a"],Set[empty, "b"]]
+
+    assert_nothing_raised {
+      set.flatten
+    }
+
+    set1 = empty.merge(Set["no_more", set])
+
+    assert_nil(Set.new(0..31).flatten!)
+
+    x = Set[Set[],Set[1,2]].flatten!
+    y = Set[1,2]
+
+    assert_equal(x, y)
+  end
+
+  def test_include?
+    set = Set[1,2,3]
+
+    assert_equal(true, set.include?(1))
+    assert_equal(true, set.include?(2))
+    assert_equal(true, set.include?(3))
+    assert_equal(false, set.include?(0))
+    assert_equal(false, set.include?(nil))
+
+    set = Set["1",nil,"2",nil,"0","1",false]
+    assert_equal(true, set.include?(nil))
+    assert_equal(true, set.include?(false))
+    assert_equal(true, set.include?("1"))
+    assert_equal(false, set.include?(0))
+    assert_equal(false, set.include?(true))
+  end
+
+  def test_superset?
+    set = Set[1,2,3]
+
+    assert_raises(ArgumentError) {
+      set.superset?()
+    }
+
+    assert_raises(ArgumentError) {
+      set.superset?(2)
+    }
+
+    assert_raises(ArgumentError) {
+      set.superset?([2])
+    }
+
+    assert_equal(true, set.superset?(Set[]))
+    assert_equal(true, set.superset?(Set[1,2]))
+    assert_equal(true, set.superset?(Set[1,2,3]))
+    assert_equal(false, set.superset?(Set[1,2,3,4]))
+    assert_equal(false, set.superset?(Set[1,4]))
+
+    assert_equal(true, set >= Set[1,2,3])
+    assert_equal(true, set >= Set[1,2])
+
+    assert_equal(true, Set[].superset?(Set[]))
+  end
+
+  def test_proper_superset?
+    set = Set[1,2,3]
+
+    assert_raises(ArgumentError) {
+      set.proper_superset?()
+    }
+
+    assert_raises(ArgumentError) {
+      set.proper_superset?(2)
+    }
+
+    assert_raises(ArgumentError) {
+      set.proper_superset?([2])
+    }
+
+    assert_equal(true, set.proper_superset?(Set[]))
+    assert_equal(true, set.proper_superset?(Set[1,2]))
+    assert_equal(false, set.proper_superset?(Set[1,2,3]))
+    assert_equal(false, set.proper_superset?(Set[1,2,3,4]))
+    assert_equal(false, set.proper_superset?(Set[1,4]))
+
+    assert_equal(false, set > Set[1,2,3])
+    assert_equal(true, set > Set[1,2])
+
+    assert_equal(false, Set[].proper_superset?(Set[]))
+  end
+
+  def test_subset?
+    set = Set[1,2,3]
+
+    assert_raises(ArgumentError) {
+      set.subset?()
+    }
+
+    assert_raises(ArgumentError) {
+      set.subset?(2)
+    }
+
+    assert_raises(ArgumentError) {
+      set.subset?([2])
+    }
+
+    assert_equal(true, set.subset?(Set[1,2,3,4]))
+    assert_equal(true, set.subset?(Set[1,2,3]))
+    assert_equal(false, set.subset?(Set[1,2]))
+    assert_equal(false, set.subset?(Set[]))
+
+    assert_equal(true, set <= Set[1,2,3])
+    assert_equal(true, set <= Set[1,2,3,4])
+
+    assert_equal(true, Set[].subset?(Set[1]))
+    assert_equal(true, Set[].subset?(Set[]))
+  end
+
+  def test_proper_subset?
+    set = Set[1,2,3]
+
+    assert_raises(ArgumentError) {
+      set.proper_subset?()
+    }
+
+    assert_raises(ArgumentError) {
+      set.proper_subset?(2)
+    }
+
+    assert_raises(ArgumentError) {
+      set.proper_subset?([2])
+    }
+
+    assert_equal(true, set.proper_subset?(Set[1,2,3,4]))
+    assert_equal(false, set.proper_subset?(Set[1,2,3]))
+    assert_equal(false, set.proper_subset?(Set[1,2]))
+    assert_equal(false, set.proper_subset?(Set[]))
+
+    assert_equal(false, set < Set[1,2,3])
+    assert_equal(true, set < Set[1,2,3,4])
+
+    assert_equal(false, Set[].proper_subset?(Set[]))
+  end
+
+  def test_each
+    ary = [1,3,5,7,10,20]
+    set = Set.new(ary)
+
+    ret = set.each { |o| }
+    assert_same(set, ret)
+
+    e = set.each
+    assert_instance_of(Enumerator, e)
+
+    assert_nothing_raised {
+      set.each { |o|
+        ary.delete(o) or raise "unexpected element: #{o}"
+      }
+
+      ary.empty? or raise "forgotten elements: #{ary.join(', ')}"
+    }
+  end
+
+  def test_add
+    set = Set[1,2,3]
+
+    ret = set.add(2)
+    assert_same(set, ret)
+    assert_equal(Set[1,2,3], set)
+
+    ret = set.add?(2)
+    assert_nil(ret)
+    assert_equal(Set[1,2,3], set)
+
+    ret = set.add(4)
+    assert_same(set, ret)
+    assert_equal(Set[1,2,3,4], set)
+
+    ret = set.add?(5)
+    assert_same(set, ret)
+    assert_equal(Set[1,2,3,4,5], set)
+  end
+
+  def test_delete
+    set = Set[1,2,3]
+
+    ret = set.delete(4)
+    assert_same(set, ret)
+    assert_equal(Set[1,2,3], set)
+
+    ret = set.delete?(4)
+    assert_nil(ret)
+    assert_equal(Set[1,2,3], set)
+
+    ret = set.delete(2)
+    assert_equal(set, ret)
+    assert_equal(Set[1,3], set)
+
+    ret = set.delete?(1)
+    assert_equal(set, ret)
+    assert_equal(Set[3], set)
+  end
+
+  def test_delete_if
+    set = Set.new(1..10)
+    ret = set.delete_if { |i| i > 10 }
+    assert_same(set, ret)
+    assert_equal(Set.new(1..10), set)
+
+    set = Set.new(1..10)
+    ret = set.delete_if { |i| i % 3 == 0 }
+    assert_same(set, ret)
+    assert_equal(Set[1,2,4,5,7,8,10], set)
+  end
+
+  def test_collect!
+    set = Set[1,2,3,'a','b','c',-1..1,2..4]
+
+    ret = set.collect! { |i|
+      case i
+      when Numeric
+        i * 2
+      when String
+        i.upcase
+      else
+        nil
+      end
+    }
+
+    assert_same(set, ret)
+    assert_equal(Set[2,4,6,'A','B','C',nil], set)
+  end
+
+  def test_reject!
+    set = Set.new(1..10)
+
+    ret = set.reject! { |i| i > 10 }
+    assert_nil(ret)
+    assert_equal(Set.new(1..10), set)
+
+    ret = set.reject! { |i| i % 3 == 0 }
+    assert_same(set, ret)
+    assert_equal(Set[1,2,4,5,7,8,10], set)
+  end
+
+  def test_merge
+    set = Set[1,2,3]
+
+    ret = set.merge([2,4,6])
+    assert_same(set, ret)
+    assert_equal(Set[1,2,3,4,6], set)
+  end
+
+  def test_subtract
+    set = Set[1,2,3]
+
+    ret = set.subtract([2,4,6])
+    assert_same(set, ret)
+    assert_equal(Set[1,3], set)
+  end
+
+  def test_plus
+    set = Set[1,2,3]
+
+    ret = set + [2,4,6]
+    assert_not_same(set, ret)
+    assert_equal(Set[1,2,3,4,6], ret)
+  end
+
+  def test_minus
+    set = Set[1,2,3]
+
+    ret = set - [2,4,6]
+    assert_not_same(set, ret)
+    assert_equal(Set[1,3], ret)
+  end
+
+  def test_and
+    set = Set[1,2,3,4]
+
+    ret = set & [2,4,6]
+    assert_not_same(set, ret)
+    assert_equal(Set[2,4], ret)
+  end
+
+  def test_xor
+    set = Set[1,2,3,4]
+    ret = set ^ [2,4,5,5]
+    assert_not_same(set, ret)
+    assert_equal(Set[1,3,5], ret)
+  end
+
+  def test_eq
+    set1 = Set[2,3,1]
+    set2 = Set[1,2,3]
+
+    assert_equal(set1, set1)
+    assert_equal(set1, set2)
+    assert_not_equal(Set[1], [1])
+
+    set1 = Class.new(Set)["a", "b"]
+    set2 = Set["a", "b", set1]
+    set1 = set1.add(set1.clone)
+
+#    assert_equal(set1, set2)
+#    assert_equal(set2, set1)
+    assert_equal(set2, set2.clone)
+    assert_equal(set1.clone, set1)
+
+    assert_not_equal(Set[Exception.new,nil], Set[Exception.new,Exception.new], "[ruby-dev:26127]")
+  end
+
+  # def test_hash
+  # end
+
+  # def test_eql?
+  # end
+
+  def test_classify
+    set = Set.new(1..10)
+    ret = set.classify { |i| i % 3 }
+
+    assert_equal(3, ret.size)
+    assert_instance_of(Hash, ret)
+    ret.each_value { |value| assert_instance_of(Set, value) }
+    assert_equal(Set[3,6,9], ret[0])
+    assert_equal(Set[1,4,7,10], ret[1])
+    assert_equal(Set[2,5,8], ret[2])
+  end
+
+  def test_divide
+    set = Set.new(1..10)
+    ret = set.divide { |i| i % 3 }
+
+    assert_equal(3, ret.size)
+    n = 0
+    ret.each { |s| n += s.size }
+    assert_equal(set.size, n)
+    assert_equal(set, ret.flatten)
+
+    set = Set[7,10,5,11,1,3,4,9,0]
+    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_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
+
+  # def test_pretty_print
+  # end
+
+  # def test_pretty_print_cycle
+  # 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)
+
+    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
+
+# class TC_RestricedSet < Test::Unit::TestCase
+#   def test_s_new
+#     assert_raises(ArgumentError) { RestricedSet.new }
+#
+#     s = RestricedSet.new([-1,2,3]) { |o| o > 0 }
+#     assert_equal([2,3], s.sort)
+#   end
+#
+#   def test_restriction_proc
+#     s = RestricedSet.new([-1,2,3]) { |o| o > 0 }
+#
+#     f = s.restriction_proc
+#     assert_instance_of(Proc, f)
+#     assert(f[1])
+#     assert(!f[0])
+#   end
+#
+#   def test_replace
+#     s = RestricedSet.new(-3..3) { |o| o > 0 }
+#     assert_equal([1,2,3], s.sort)
+#
+#     s.replace([-2,0,3,4,5])
+#     assert_equal([3,4,5], s.sort)
+#   end
+#
+#   def test_merge
+#     s = RestricedSet.new { |o| o > 0 }
+#     s.merge(-5..5)
+#     assert_equal([1,2,3,4,5], s.sort)
+#
+#     s.merge([10,-10,-8,8])
+#     assert_equal([1,2,3,4,5,8,10], s.sort)
+#   end
+# end
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