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
73
74
75
76
77
78
79
80
81
|
require 'test/unit'
class TestClass < Test::Unit::TestCase
# ------------------
# Various test classes
# ------------------
class ClassOne
attr :num_args
@@subs = []
def initialize(*args)
@num_args = args.size
@args = args
end
def [](n)
@args[n]
end
def ClassOne.inherited(klass)
@@subs.push klass
end
def subs
@@subs
end
end
class ClassTwo < ClassOne
end
class ClassThree < ClassOne
end
class ClassFour < ClassThree
end
# ------------------
# Start of tests
# ------------------
def test_s_inherited
assert_equal([ClassTwo, ClassThree, ClassFour], ClassOne.new.subs)
end
def test_s_new
c = Class.new
assert_same(Class, c.class)
assert_same(Object, c.superclass)
c = Class.new(Fixnum)
assert_same(Class, c.class)
assert_same(Fixnum, c.superclass)
end
def test_00_new_basic
a = ClassOne.new
assert_equal(ClassOne, a.class)
assert_equal(0, a.num_args)
a = ClassOne.new(1, 2, 3)
assert_equal(3, a.num_args)
assert_equal(1, a[0])
end
def test_01_new_inherited
a = ClassTwo.new
assert_equal(ClassTwo, a.class)
assert_equal(0, a.num_args)
a = ClassTwo.new(1, 2, 3)
assert_equal(3, a.num_args)
assert_equal(1, a[0])
end
def test_superclass
assert_equal(ClassOne, ClassTwo.superclass)
assert_equal(Object, ClassTwo.superclass.superclass)
assert_equal(nil, ClassTwo.superclass.superclass.superclass)
end
end
|
