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
|
# frozen_string_literal: true
require 'test/unit'
require_relative 'scheduler'
class TestFiberIO < Test::Unit::TestCase
MESSAGE = "Hello World"
def test_read
skip "UNIXSocket is not defined!" unless defined?(UNIXSocket)
i, o = UNIXSocket.pair
unless i.nonblock? && o.nonblock?
i.close
o.close
skip "I/O is not non-blocking!"
end
message = nil
thread = Thread.new do
scheduler = Scheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
message = i.read(20)
i.close
end
Fiber.schedule do
o.write("Hello World")
o.close
end
end
thread.join
assert_equal MESSAGE, message
assert_predicate(i, :closed?)
assert_predicate(o, :closed?)
end
def test_heavy_read
skip unless defined?(UNIXSocket)
16.times.map do
Thread.new do
i, o = UNIXSocket.pair
scheduler = Scheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
i.read(20)
i.close
end
Fiber.schedule do
o.write("Hello World")
o.close
end
end
end.each(&:join)
end
def test_epipe_on_read
skip "UNIXSocket is not defined!" unless defined?(UNIXSocket)
i, o = UNIXSocket.pair
unless i.nonblock? && o.nonblock?
i.close
o.close
skip "I/O is not non-blocking!"
end
error = nil
thread = Thread.new do
scheduler = Scheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
begin
i.close
o.write(MESSAGE)
rescue => error
# Saved into error.
end
end
end
thread.join
i.close
o.close
assert_kind_of Errno::EPIPE, error
end
def test_tcp_accept
server = TCPServer.new('localhost', 0)
th = Thread.new do
Fiber.set_scheduler(Scheduler.new)
Fiber.schedule do
sender = server.accept
sender.wait_writable
sender.write "hello"
sender.close
end
end
recver = TCPSocket.new('localhost', server.local_address.ip_port)
assert "hello", recver.read
recver.close
server.close
th.join
end
def test_tcp_connect
server = TCPServer.new('localhost', 0)
th = Thread.new do
Fiber.set_scheduler(Scheduler.new)
Fiber.schedule do
sender = TCPSocket.new('localhost', server.local_address.ip_port)
sender.write "hello"
sender.close
end
end
recver = server.accept
assert "hello", recver.read
recver.close
server.close
th.join
end
end
|