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
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
|
require_relative 'spec_helper'
load_extension('io')
describe "C-API IO function" do
before :each do
@o = CApiIOSpecs.new
@name = tmp("c_api_rb_io_specs")
touch @name
@io = new_io @name, "w:utf-8"
@io.sync = true
end
after :each do
@io.close unless @io.closed?
rm_r @name
end
describe "rb_io_addstr" do
it "calls #to_s to convert the object to a String" do
obj = mock("rb_io_addstr string")
obj.should_receive(:to_s).and_return("rb_io_addstr data")
@o.rb_io_addstr(@io, obj)
File.read(@name).should == "rb_io_addstr data"
end
it "writes the String to the IO" do
@o.rb_io_addstr(@io, "rb_io_addstr data")
File.read(@name).should == "rb_io_addstr data"
end
it "returns the io" do
@o.rb_io_addstr(@io, "rb_io_addstr data").should eql(@io)
end
end
describe "rb_io_printf" do
it "calls #to_str to convert the format object to a String" do
obj = mock("rb_io_printf format")
obj.should_receive(:to_str).and_return("%s")
@o.rb_io_printf(@io, [obj, "rb_io_printf"])
File.read(@name).should == "rb_io_printf"
end
it "calls #to_s to convert the object to a String" do
obj = mock("rb_io_printf string")
obj.should_receive(:to_s).and_return("rb_io_printf")
@o.rb_io_printf(@io, ["%s", obj])
File.read(@name).should == "rb_io_printf"
end
it "writes the Strings to the IO" do
@o.rb_io_printf(@io, ["%s_%s_%s", "rb", "io", "printf"])
File.read(@name).should == "rb_io_printf"
end
end
describe "rb_io_print" do
it "calls #to_s to convert the object to a String" do
obj = mock("rb_io_print string")
obj.should_receive(:to_s).and_return("rb_io_print")
@o.rb_io_print(@io, [obj])
File.read(@name).should == "rb_io_print"
end
it "writes the Strings to the IO with no separator" do
@o.rb_io_print(@io, ["rb_", "io_", "print"])
File.read(@name).should == "rb_io_print"
end
end
describe "rb_io_puts" do
it "calls #to_s to convert the object to a String" do
obj = mock("rb_io_puts string")
obj.should_receive(:to_s).and_return("rb_io_puts")
@o.rb_io_puts(@io, [obj])
File.read(@name).should == "rb_io_puts\n"
end
it "writes the Strings to the IO separated by newlines" do
@o.rb_io_puts(@io, ["rb", "io", "write"])
File.read(@name).should == "rb\nio\nwrite\n"
end
end
describe "rb_io_write" do
it "calls #to_s to convert the object to a String" do
obj = mock("rb_io_write string")
obj.should_receive(:to_s).and_return("rb_io_write")
@o.rb_io_write(@io, obj)
File.read(@name).should == "rb_io_write"
end
it "writes the String to the IO" do
@o.rb_io_write(@io, "rb_io_write")
File.read(@name).should == "rb_io_write"
end
end
end
describe "C-API IO function" do
before :each do
@o = CApiIOSpecs.new
@name = tmp("c_api_io_specs")
touch @name
@io = new_io @name, "r:utf-8"
end
after :each do
@io.close unless @io.closed?
rm_r @name
end
describe "rb_io_close" do
it "closes an IO object" do
@io.closed?.should be_false
@o.rb_io_close(@io)
@io.closed?.should be_true
end
end
describe "rb_io_check_io" do
it "returns the IO object if it is valid" do
@o.rb_io_check_io(@io).should == @io
end
it "returns nil for non IO objects" do
@o.rb_io_check_io({}).should be_nil
end
end
describe "rb_io_check_closed" do
it "does not raise an exception if the IO is not closed" do
# The MRI function is void, so we use should_not raise_error
lambda { @o.rb_io_check_closed(@io) }.should_not raise_error
end
it "raises an error if the IO is closed" do
@io.close
lambda { @o.rb_io_check_closed(@io) }.should raise_error(IOError)
end
end
# NOTE: unlike the name might suggest in MRI this function checks if an
# object is frozen, *not* if it's tainted.
describe "rb_io_taint_check" do
it "does not raise an exception if the IO is not frozen" do
lambda { @o.rb_io_taint_check(@io) }.should_not raise_error
end
it "raises an exception if the IO is frozen" do
@io.freeze
lambda { @o.rb_io_taint_check(@io) }.should raise_error(RuntimeError)
end
end
describe "GetOpenFile" do
it "allows access to the system fileno" do
@o.GetOpenFile_fd($stdin).should == 0
@o.GetOpenFile_fd($stdout).should == 1
@o.GetOpenFile_fd($stderr).should == 2
@o.GetOpenFile_fd(@io).should == @io.fileno
end
end
describe "rb_io_binmode" do
it "returns self" do
@o.rb_io_binmode(@io).should == @io
end
it "sets binmode" do
@o.rb_io_binmode(@io)
@io.binmode?.should be_true
end
end
end
describe "C-API IO function" do
before :each do
@o = CApiIOSpecs.new
@r_io, @w_io = IO.pipe
@name = tmp("c_api_io_specs")
touch @name
@rw_io = new_io @name, "w+"
end
after :each do
@r_io.close unless @r_io.closed?
@w_io.close unless @w_io.closed?
@rw_io.close unless @rw_io.closed?
rm_r @name
end
describe "rb_io_check_readable" do
it "does not raise an exception if the IO is opened for reading" do
# The MRI function is void, so we use should_not raise_error
lambda { @o.rb_io_check_readable(@r_io) }.should_not raise_error
end
it "does not raise an exception if the IO is opened for read and write" do
lambda { @o.rb_io_check_readable(@rw_io) }.should_not raise_error
end
it "raises an IOError if the IO is not opened for reading" do
lambda { @o.rb_io_check_readable(@w_io) }.should raise_error(IOError)
end
end
describe "rb_io_check_writable" do
it "does not raise an exeption if the IO is opened for writing" do
# The MRI function is void, so we use should_not raise_error
lambda { @o.rb_io_check_writable(@w_io) }.should_not raise_error
end
it "does not raise an exception if the IO is opened for read and write" do
lambda { @o.rb_io_check_writable(@rw_io) }.should_not raise_error
end
it "raises an IOError if the IO is not opened for reading" do
lambda { @o.rb_io_check_writable(@r_io) }.should raise_error(IOError)
end
end
describe "rb_io_wait_writable" do
it "returns false if there is no error condition" do
@o.errno = 0
@o.rb_io_wait_writable(@w_io).should be_false
end
it "raises an IOError if the IO is closed" do
@w_io.close
lambda { @o.rb_io_wait_writable(@w_io) }.should raise_error(IOError)
end
end
describe "rb_thread_fd_writable" do
it "waits til an fd is ready for writing" do
@o.rb_thread_fd_writable(@w_io).should be_nil
end
end
platform_is_not :windows do
describe "rb_io_wait_readable" do
it "returns false if there is no error condition" do
@o.errno = 0
@o.rb_io_wait_readable(@r_io, false).should be_false
end
it "raises and IOError if passed a closed stream" do
@r_io.close
lambda {
@o.rb_io_wait_readable(@r_io, false)
}.should raise_error(IOError)
end
it "blocks until the io is readable and returns true" do
@o.instance_variable_set :@write_data, false
thr = Thread.new do
Thread.pass until @o.instance_variable_get(:@write_data)
@w_io.write "rb_io_wait_readable"
end
@o.errno = Errno::EAGAIN.new.errno
@o.rb_io_wait_readable(@r_io, true).should be_true
@o.instance_variable_get(:@read_data).should == "rb_io_wait_re"
thr.join
end
end
end
describe "rb_thread_wait_fd" do
it "waits til an fd is ready for reading" do
start = false
thr = Thread.new do
start = true
sleep 0.05
@w_io.write "rb_io_wait_readable"
end
Thread.pass until start
@o.rb_thread_wait_fd(@r_io).should be_nil
thr.join
end
end
describe "rb_wait_for_single_fd" do
it "waits til an fd is ready for reading" do
start = false
thr = Thread.new do
start = true
sleep 0.05
@w_io.write "rb_io_wait_readable"
end
Thread.pass until start
@o.rb_wait_for_single_fd(@r_io, 1, nil, nil).should == 1
thr.join
end
it "polls whether an fd is ready for reading if timeout is 0" do
@o.rb_wait_for_single_fd(@r_io, 1, 0, 0).should == 0
end
end
end
describe "rb_fd_fix_cloexec" do
before :each do
@o = CApiIOSpecs.new
@name = tmp("c_api_rb_io_specs")
touch @name
@io = new_io @name, "w:utf-8"
@io.close_on_exec = false
@io.sync = true
end
after :each do
@io.close unless @io.closed?
rm_r @name
end
it "sets close_on_exec on the IO" do
@o.rb_fd_fix_cloexec(@io)
@io.close_on_exec?.should be_true
end
end
describe "rb_cloexec_open" do
before :each do
@o = CApiIOSpecs.new
@name = tmp("c_api_rb_io_specs")
touch @name
@io = nil
end
after :each do
@io.close unless @io.nil? || @io.closed?
rm_r @name
end
it "sets close_on_exec on the newly-opened IO" do
@io = @o.rb_cloexec_open(@name, 0, 0)
@io.close_on_exec?.should be_true
end
end
|