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
|
require File.expand_path('../../../spec_helper', __FILE__)
with_feature :fiber_library do
require 'fiber'
describe "Fiber.current" do
it "returns the root Fiber when called outside of a Fiber" do
root = Fiber.current
root.should be_an_instance_of(Fiber)
# We can always transfer to the root Fiber; it will never die
5.times do
root.transfer.should be_nil
root.alive?.should_not be_false #Workaround for bug #1547
end
end
it "returns the current Fiber when called from a Fiber" do
fiber = Fiber.new do
this = Fiber.current
this.should be_an_instance_of(Fiber)
this.should == fiber
this.alive?.should_not be_false # Workaround for bug #1547
end
fiber.resume
end
it "returns the current Fiber when called from a Fiber that transferred to another" do
states = []
fiber = Fiber.new do
states << :fiber
this = Fiber.current
this.should be_an_instance_of(Fiber)
this.should === fiber
this.alive?.should_not be_false # Workaround for bug #1547
end
fiber2 = Fiber.new do
states << :fiber2
fiber.transfer
this = Fiber.current
this.should be_an_instance_of(Fiber)
this.should === fiber2
this.alive?.should_not be_false # Workaround for bug #1547
end
fiber3 = Fiber.new do
states << :fiber3
fiber2.transfer
this = Fiber.current
this.should be_an_instance_of(Fiber)
this.should === fiber3
this.alive?.should_not be_false # Workaround for bug #1547
fiber2.transfer
end
fiber3.resume
states.should == [:fiber3, :fiber2, :fiber]
end
end
end
|
