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
|
# frozen_string_literal: true
require 'test/unit'
require_relative 'scheduler'
require 'timeout'
class TestFiberIOBuffer < Test::Unit::TestCase
MESSAGE = "Hello World"
def test_read_write_blocking
omit "UNIXSocket is not defined!" unless defined?(UNIXSocket)
i, o = UNIXSocket.pair
i.nonblock = false
o.nonblock = false
message = nil
thread = Thread.new do
scheduler = IOBufferScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
message = i.read(20)
i.close
end
Fiber.schedule do
o.write(MESSAGE)
o.close
end
end
thread.join
assert_equal MESSAGE, message
assert_predicate(i, :closed?)
assert_predicate(o, :closed?)
ensure
i&.close
o&.close
end
def test_timeout_after
omit "UNIXSocket is not defined!" unless defined?(UNIXSocket)
i, o = UNIXSocket.pair
i.nonblock = false
o.nonblock = false
message = nil
error = nil
thread = Thread.new do
scheduler = IOBufferScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
Timeout.timeout(0.1) do
message = i.read(20)
end
rescue Timeout::Error => error
# Assertions below.
ensure
i.close
end
end
thread.join
assert_nil message
assert_kind_of Timeout::Error, error
ensure
i&.close
o&.close
end
def test_read_nonblock
omit "UNIXSocket is not defined!" unless defined?(UNIXSocket)
i, o = UNIXSocket.pair
message = nil
thread = Thread.new do
scheduler = IOBufferScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
message = i.read_nonblock(20, exception: false)
i.close
end
end
thread.join
assert_equal :wait_readable, message
ensure
i&.close
o&.close
end
def test_write_nonblock
omit "UNIXSocket is not defined!" unless defined?(UNIXSocket)
i, o = UNIXSocket.pair
thread = Thread.new do
scheduler = IOBufferScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
o.write_nonblock(MESSAGE, exception: false)
o.close
end
end
thread.join
assert_equal MESSAGE, i.read
ensure
i&.close
o&.close
end
def test_io_buffer_read_write
omit "UNIXSocket is not defined!" unless defined?(UNIXSocket)
i, o = UNIXSocket.pair
source_buffer = IO::Buffer.for("Hello World!")
destination_buffer = IO::Buffer.new(source_buffer.size)
# Test non-scheduler code path:
source_buffer.write(o, source_buffer.size)
destination_buffer.read(i, source_buffer.size)
assert_equal source_buffer, destination_buffer
# Test scheduler code path:
destination_buffer.clear
thread = Thread.new do
scheduler = IOBufferScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
source_buffer.write(o, source_buffer.size)
destination_buffer.read(i, source_buffer.size)
end
end
thread.join
assert_equal source_buffer, destination_buffer
ensure
i&.close
o&.close
end
end
|