blob: 5c25c43de29b2002811871040598a9c2c5d6f682 (
plain)
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
|
# frozen_string_literal: true
require "test/unit"
require_relative 'scheduler'
class TestFiberThread < Test::Unit::TestCase
def test_thread_join
thread = Thread.new do
scheduler = Scheduler.new
Fiber.set_scheduler scheduler
result = nil
Fiber.schedule do
result = Thread.new{:done}.value
end
scheduler.run
result
end
assert_equal :done, thread.value
end
def test_thread_join_implicit
sleeping = false
finished = false
thread = Thread.new do
scheduler = Scheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
sleeping = true
sleep(0.1)
finished = true
end
:done
end
Thread.pass until sleeping
thread.join
assert_equal :done, thread.value
assert finished, "Scheduler thread's task should be finished!"
end
def test_thread_join_blocking
thread = Thread.new do
scheduler = Scheduler.new
Fiber.set_scheduler scheduler
result = nil
Fiber.schedule do
Fiber.new(blocking: true) do
# This can deadlock if the blocking state is not taken into account:
Thread.new do
sleep(0)
result = :done
end.join
end.resume
end
scheduler.run
result
end
assert_equal :done, thread.value
end
def test_broken_unblock
thread = Thread.new do
Thread.current.report_on_exception = false
scheduler = BrokenUnblockScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
Thread.new{
Thread.current.report_on_exception = false
}.join
end
scheduler.run
ensure
scheduler.close
end
assert_raise(RuntimeError) do
thread.join
end
end
def test_thread_join_hang
thread = Thread.new do
scheduler = SleepingUnblockScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
Thread.new{sleep(0.01)}.value
end
end
thread.join
end
end
|
