File: test_enumerator.rb

package info (click to toggle)
ruby3.3 3.3.8-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 153,620 kB
  • sloc: ruby: 1,244,308; ansic: 836,474; yacc: 28,074; pascal: 6,748; sh: 3,913; python: 1,719; cpp: 1,158; makefile: 742; asm: 712; javascript: 394; lisp: 97; perl: 62; awk: 36; sed: 23; xml: 4
file content (53 lines) | stat: -rw-r--r-- 1,027 bytes parent folder | download | duplicates (2)
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
# frozen_string_literal: true
require 'test/unit'
require_relative 'scheduler'

class TestFiberEnumerator < Test::Unit::TestCase
  MESSAGE = "Hello World"

  def test_read_characters
    omit "UNIXSocket is not defined!" unless defined?(UNIXSocket)

    i, o = UNIXSocket.pair

    message = String.new

    thread = Thread.new do
      scheduler = Scheduler.new
      Fiber.set_scheduler scheduler

      e = i.to_enum(:each_char)

      Fiber.schedule do
        o.write("Hello World")
        o.close
      end

      Fiber.schedule do
        begin
          while c = e.next
            message << c
          end
        rescue StopIteration
          # Ignore.
        end

        i.close
      end
    end

    thread.join

    assert_equal(MESSAGE, message)
    assert_predicate(i, :closed?)
    assert_predicate(o, :closed?)
  end

  def enumerator_fiber_is_nonblocking
    enumerator = Enumerator.new do |yielder|
      yielder << Fiber.current.blocking?
    end

    assert_equal(false, enumerator.next)
  end
end