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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
require_relative '../../spec_helper'
describe :io_external_encoding_write, shared: true do
describe "when Encoding.default_internal is nil" do
before :each do
Encoding.default_internal = nil
end
it "returns nil" do
@io = new_io @name, @object
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should be_nil
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "#{@object}:ibm866"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "#{@object}:ibm866"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
describe "when Encoding.default_external != Encoding.default_internal" do
before :each do
Encoding.default_external = Encoding::IBM437
Encoding.default_internal = Encoding::IBM866
end
it "returns the value of Encoding.default_external when the instance was created" do
@io = new_io @name, @object
Encoding.default_external = Encoding::UTF_8
@io.external_encoding.should equal(Encoding::IBM437)
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "#{@object}:ibm866"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "#{@object}:ibm866"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
describe "when Encoding.default_external == Encoding.default_internal" do
before :each do
Encoding.default_external = Encoding::IBM866
Encoding.default_internal = Encoding::IBM866
end
it "returns the value of Encoding.default_external when the instance was created" do
@io = new_io @name, @object
Encoding.default_external = Encoding::UTF_8
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "#{@object}:ibm866"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "#{@object}:ibm866"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
end
describe "IO#external_encoding" do
before :each do
@external = Encoding.default_external
@internal = Encoding.default_internal
@name = tmp("io_external_encoding")
touch(@name)
end
after :each do
Encoding.default_external = @external
Encoding.default_internal = @internal
@io.close if @io
rm_r @name
end
describe "with 'r' mode" do
describe "when Encoding.default_internal is nil" do
before :each do
Encoding.default_internal = nil
Encoding.default_external = Encoding::IBM866
end
it "returns Encoding.default_external if the external encoding is not set" do
@io = new_io @name, "r"
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns Encoding.default_external when that encoding is changed after the instance is created" do
@io = new_io @name, "r"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::IBM437)
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "r:utf-8"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::UTF_8)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "r:utf-8"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
describe "when Encoding.default_external == Encoding.default_internal" do
before :each do
Encoding.default_external = Encoding::IBM866
Encoding.default_internal = Encoding::IBM866
end
it "returns the value of Encoding.default_external when the instance was created" do
@io = new_io @name, "r"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::IBM866)
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "r:utf-8"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::UTF_8)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "r:utf-8"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
describe "when Encoding.default_external != Encoding.default_internal" do
before :each do
Encoding.default_external = Encoding::IBM437
Encoding.default_internal = Encoding::IBM866
end
it "returns the external encoding specified when the instance was created" do
@io = new_io @name, "r:utf-8"
Encoding.default_external = Encoding::IBM437
@io.external_encoding.should equal(Encoding::UTF_8)
end
it "returns the encoding set by #set_encoding" do
@io = new_io @name, "r:utf-8"
@io.set_encoding Encoding::EUC_JP, nil
@io.external_encoding.should equal(Encoding::EUC_JP)
end
end
end
describe "with 'rb' mode" do
it "returns Encoding::ASCII_8BIT" do
@io = new_io @name, "rb"
@io.external_encoding.should equal(Encoding::ASCII_8BIT)
end
it "returns the external encoding specified by the mode argument" do
@io = new_io @name, "rb:ibm437"
@io.external_encoding.should equal(Encoding::IBM437)
end
end
describe "with 'r+' mode" do
it_behaves_like :io_external_encoding_write, nil, "r+"
end
describe "with 'w' mode" do
it_behaves_like :io_external_encoding_write, nil, "w"
end
describe "with 'wb' mode" do
it "returns Encoding::ASCII_8BIT" do
@io = new_io @name, "wb"
@io.external_encoding.should equal(Encoding::ASCII_8BIT)
end
it "returns the external encoding specified by the mode argument" do
@io = new_io @name, "wb:ibm437"
@io.external_encoding.should equal(Encoding::IBM437)
end
end
describe "with 'w+' mode" do
it_behaves_like :io_external_encoding_write, nil, "w+"
end
describe "with 'a' mode" do
it_behaves_like :io_external_encoding_write, nil, "a"
end
describe "with 'a+' mode" do
it_behaves_like :io_external_encoding_write, nil, "a+"
end
end
|
