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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
require 'test/unit'
require File.dirname(__FILE__) + '/../lib/active_support/core_ext/class/inheritable_attributes'
class ClassInheritableAttributesTest < Test::Unit::TestCase
def setup
@klass = Class.new
end
def test_reader_declaration
assert_nothing_raised do
@klass.class_inheritable_reader :a
assert_respond_to @klass, :a
assert_respond_to @klass.new, :a
end
end
def test_writer_declaration
assert_nothing_raised do
@klass.class_inheritable_writer :a
assert_respond_to @klass, :a=
assert_respond_to @klass.new, :a=
end
end
def test_accessor_declaration
assert_nothing_raised do
@klass.class_inheritable_accessor :a
assert_respond_to @klass, :a
assert_respond_to @klass.new, :a
assert_respond_to @klass, :a=
assert_respond_to @klass.new, :a=
end
end
def test_array_declaration
assert_nothing_raised do
@klass.class_inheritable_array :a
assert_respond_to @klass, :a
assert_respond_to @klass.new, :a
assert_respond_to @klass, :a=
assert_respond_to @klass.new, :a=
end
end
def test_hash_declaration
assert_nothing_raised do
@klass.class_inheritable_hash :a
assert_respond_to @klass, :a
assert_respond_to @klass.new, :a
assert_respond_to @klass, :a=
assert_respond_to @klass.new, :a=
end
end
def test_reader
@klass.class_inheritable_reader :a
assert_nil @klass.a
assert_nil @klass.new.a
@klass.send(:write_inheritable_attribute, :a, 'a')
assert_equal 'a', @klass.a
assert_equal 'a', @klass.new.a
assert_equal @klass.a, @klass.new.a
assert_equal @klass.a.object_id, @klass.new.a.object_id
end
def test_writer
@klass.class_inheritable_reader :a
@klass.class_inheritable_writer :a
assert_nil @klass.a
assert_nil @klass.new.a
@klass.a = 'a'
assert_equal 'a', @klass.a
@klass.new.a = 'A'
assert_equal 'A', @klass.a
end
def test_array
@klass.class_inheritable_array :a
assert_nil @klass.a
assert_nil @klass.new.a
@klass.a = %w(a b c)
assert_equal %w(a b c), @klass.a
assert_equal %w(a b c), @klass.new.a
@klass.new.a = %w(A B C)
assert_equal %w(a b c A B C), @klass.a
assert_equal %w(a b c A B C), @klass.new.a
end
def test_hash
@klass.class_inheritable_hash :a
assert_nil @klass.a
assert_nil @klass.new.a
@klass.a = { :a => 'a' }
assert_equal({ :a => 'a' }, @klass.a)
assert_equal({ :a => 'a' }, @klass.new.a)
@klass.new.a = { :b => 'b' }
assert_equal({ :a => 'a', :b => 'b' }, @klass.a)
assert_equal({ :a => 'a', :b => 'b' }, @klass.new.a)
end
def test_inheritance
@klass.class_inheritable_accessor :a
@klass.a = 'a'
@sub = eval("class FlogMe < @klass; end; FlogMe")
@klass.class_inheritable_accessor :b
assert_respond_to @sub, :a
assert_respond_to @sub, :b
assert_equal @klass.a, @sub.a
assert_equal @klass.b, @sub.b
assert_equal 'a', @sub.a
assert_nil @sub.b
@klass.b = 'b'
assert_not_equal @klass.b, @sub.b
assert_equal 'b', @klass.b
assert_nil @sub.b
@sub.a = 'A'
assert_not_equal @klass.a, @sub.a
assert_equal 'a', @klass.a
assert_equal 'A', @sub.a
@sub.b = 'B'
assert_not_equal @klass.b, @sub.b
assert_equal 'b', @klass.b
assert_equal 'B', @sub.b
end
end
|
