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
|
require 'test/unit'
require 'timeout'
require 'fcntl'
class TestReadPartial < Test::Unit::TestCase
def make_pipe
r, w = IO.pipe
begin
yield r, w
ensure
r.close unless r.closed?
w.close unless w.closed?
end
end
def pipe
make_pipe {|r, w|
yield r, w
}
return unless defined?(Fcntl::F_SETFL)
return unless defined?(Fcntl::F_GETFL)
return unless defined?(Fcntl::O_NONBLOCK)
make_pipe {|r, w|
r.fcntl(Fcntl::F_SETFL, r.fcntl(Fcntl::F_GETFL) | Fcntl::O_NONBLOCK)
yield r, w
}
end
def test_length_zero
pipe {|r, w|
assert_equal('', r.readpartial(0))
}
end
def test_closed_pipe
pipe {|r, w|
w << 'abc'
w.close
assert_equal('ab', r.readpartial(2))
assert_equal('c', r.readpartial(2))
assert_raises(EOFError) { r.readpartial(2) }
assert_raises(EOFError) { r.readpartial(2) }
}
end
def test_open_pipe
pipe {|r, w|
w << 'abc'
assert_equal('ab', r.readpartial(2))
assert_equal('c', r.readpartial(2))
assert_raises(TimeoutError) {
timeout(0.1) { r.readpartial(2) }
}
}
end
def test_with_stdio
pipe {|r, w|
w << "abc\ndef\n"
assert_equal("abc\n", r.gets)
w << "ghi\n"
assert_equal("de", r.readpartial(2))
assert_equal("f\n", r.readpartial(4096))
assert_equal("ghi\n", r.readpartial(4096))
assert_raises(TimeoutError) {
timeout(0.1) { r.readpartial(2) }
}
}
end
end
|
