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
142
143
144
145
|
require File.expand_path('../spec_helper', __FILE__)
load_extension("struct")
describe "C-API Struct function" do
before :each do
@s = CApiStructSpecs.new
@struct = @s.rb_struct_define("CAPIStruct", "a", "b", "c")
end
describe "rb_struct_define" do
it "creates accessors for the struct members" do
instance = @struct.new
instance.a = 1
instance.b = 2
instance.c = 3
instance.a.should == 1
instance.b.should == 2
instance.c.should == 3
end
it "has a value of nil for the member of a newly created instance" do
# Verify that attributes are on an instance basis
Struct::CAPIStruct.new.b.should be_nil
end
it "creates a constant scoped under Struct for the named Struct" do
Struct.const_defined?(:CAPIStruct).should be_true
end
ruby_version_is ""..."1.9" do
it "returns the member names as Strings" do
@struct.members.sort.should == ["a", "b", "c"]
end
end
ruby_version_is "1.9" do
it "returns the member names as Symbols" do
@struct.members.sort.should == [:a, :b, :c]
end
end
end
end
describe "C-API Struct function" do
before :each do
@s = CApiStructSpecs.new
@struct = @s.rb_struct_define(nil, "a", "b", "c")
end
describe "rb_struct_define for an anonymous struct" do
it "creates accessors for the struct members" do
instance = @struct.new
instance.a = 1
instance.b = 2
instance.c = 3
instance.a.should == 1
instance.b.should == 2
instance.c.should == 3
end
ruby_version_is ""..."1.9" do
it "returns the member names as Strings" do
@struct.members.sort.should == ["a", "b", "c"]
end
end
ruby_version_is "1.9" do
it "returns the member names as Symbols" do
@struct.members.sort.should == [:a, :b, :c]
end
end
end
end
describe "C-API Struct function" do
before :each do
@s = CApiStructSpecs.new
@klass = Struct.new(:a, :b, :c)
@struct = @klass.new
end
describe "rb_struct_aref" do
it "returns the value of a struct member with a symbol key" do
@struct[:a] = 2
@s.rb_struct_aref(@struct, :a).should == 2
end
it "returns the value of a struct member with a string key" do
@struct[:b] = 2
@s.rb_struct_aref(@struct, "b").should == 2
end
it "returns the value of a struct member by index" do
@struct[:c] = 3
@s.rb_struct_aref(@struct, 2).should == 3
end
it "raises a NameError if the struct member does not exist" do
lambda { @s.rb_struct_aref(@struct, :d) }.should raise_error(NameError)
end
end
describe "rb_struct_getmember" do
it "returns the value of a struct member" do
@struct[:a] = 2
@s.rb_struct_aref(@struct, :a).should == 2
end
it "raises a NameError if the struct member does not exist" do
lambda { @s.rb_struct_aref(@struct, :d) }.should raise_error(NameError)
end
end
describe "rb_struct_aset" do
it "sets the value of a struct member with a symbol key" do
@s.rb_struct_aset(@struct, :a, 1)
@struct[:a].should == 1
end
it "sets the value of a struct member with a string key" do
@s.rb_struct_aset(@struct, "b", 1)
@struct[:b].should == 1
end
it "sets the value of a struct member by index" do
@s.rb_struct_aset(@struct, 2, 1)
@struct[:c].should == 1
end
it "raises a NameError if the struct member does not exist" do
lambda { @s.rb_struct_aset(@struct, :d, 1) }.should raise_error(NameError)
end
end
describe "rb_struct_new" do
it "creates a new instance of a struct" do
i = @s.rb_struct_new(@klass, 1, 2, 3)
i.a.should == 1
i.b.should == 2
i.c.should == 3
end
end
end
|
