summaryrefslogtreecommitdiffhomepage
path: root/test/t/comparable.rb
blob: b5718d2d2d82655f934f1d18aca042a0e5a2ece0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72

assert('Comparable#<', '15.3.3.2.1') do
  class Foo
    include Comparable
    def <=>(x)
      0
    end
  end

  assert_false(Foo.new < Foo.new)
end

assert('Comparable#<=', '15.3.3.2.2') do
  class Foo
    include Comparable
    def <=>(x)
      0
    end
  end

  assert_true(Foo.new <= Foo.new)
end

assert('Comparable#==', '15.3.3.2.3') do
  class Foo
    include Comparable
    def <=>(x)
      0
    end
  end

  assert_true(Foo.new == Foo.new)
end

assert('Comparable#>', '15.3.3.2.4') do
  class Foo
    include Comparable
    def <=>(x)
      0
    end
  end

  assert_false(Foo.new > Foo.new)
end

assert('Comparable#>=', '15.3.3.2.5') do
  class Foo
    include Comparable
    def <=>(x)
      0
    end
  end

  assert_true(Foo.new >= Foo.new)
end

assert('Comparable#between?', '15.3.3.2.6') do
  class Foo
    include Comparable
    def <=>(x)
      x
    end
  end

  c = Foo.new

  assert_false(c.between?(-1,  1))
  assert_false(c.between?(-1, -1))
  assert_false(c.between?( 1,  1))
  assert_true(c.between?( 1, -1))
  assert_true(c.between?(0, 0))
end