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
|
require_relative '../spec_helper'
require_relative '../fixtures/classes'
describe "Socket::BasicSocket#recv_nonblock" do
SocketSpecs.each_ip_protocol do |family, ip_address|
before :each do
@s1 = Socket.new(family, :DGRAM)
@s2 = Socket.new(family, :DGRAM)
end
after :each do
@s1.close unless @s1.closed?
@s2.close unless @s2.closed?
end
platform_is_not :windows do
describe 'using an unbound socket' do
it 'raises an exception extending IO::WaitReadable' do
-> { @s1.recv_nonblock(1) }.should raise_error(IO::WaitReadable)
end
end
end
it "raises an exception extending IO::WaitReadable if there's no data available" do
@s1.bind(Socket.pack_sockaddr_in(0, ip_address))
-> {
@s1.recv_nonblock(5)
}.should raise_error(IO::WaitReadable) { |e|
platform_is_not :windows do
e.should be_kind_of(Errno::EAGAIN)
end
platform_is :windows do
e.should be_kind_of(Errno::EWOULDBLOCK)
end
}
end
it "returns :wait_readable with exception: false" do
@s1.bind(Socket.pack_sockaddr_in(0, ip_address))
@s1.recv_nonblock(5, exception: false).should == :wait_readable
end
it "receives data after it's ready" do
@s1.bind(Socket.pack_sockaddr_in(0, ip_address))
@s2.send("aaa", 0, @s1.getsockname)
IO.select([@s1], nil, nil, 2)
@s1.recv_nonblock(5).should == "aaa"
end
it "allows an output buffer as third argument" do
@s1.bind(Socket.pack_sockaddr_in(0, ip_address))
@s2.send("data", 0, @s1.getsockname)
IO.select([@s1], nil, nil, 2)
buffer = +"foo"
@s1.recv_nonblock(5, 0, buffer).should.equal?(buffer)
buffer.should == "data"
end
it "preserves the encoding of the given buffer" do
@s1.bind(Socket.pack_sockaddr_in(0, ip_address))
@s2.send("data", 0, @s1.getsockname)
IO.select([@s1], nil, nil, 2)
buffer = ''.encode(Encoding::ISO_8859_1)
@s1.recv_nonblock(5, 0, buffer)
buffer.encoding.should == Encoding::ISO_8859_1
end
it "does not block if there's no data available" do
@s1.bind(Socket.pack_sockaddr_in(0, ip_address))
@s2.send("a", 0, @s1.getsockname)
IO.select([@s1], nil, nil, 2)
@s1.recv_nonblock(1).should == "a"
-> {
@s1.recv_nonblock(5)
}.should raise_error(IO::WaitReadable)
end
end
SocketSpecs.each_ip_protocol do |family, ip_address|
describe 'using a connected but not bound socket' do
before do
@server = Socket.new(family, :STREAM)
end
after do
@server.close
end
it "raises Errno::ENOTCONN" do
-> { @server.recv_nonblock(1) }.should raise_error { |e|
[Errno::ENOTCONN, Errno::EINVAL].should.include?(e.class)
}
-> { @server.recv_nonblock(1, exception: false) }.should raise_error { |e|
[Errno::ENOTCONN, Errno::EINVAL].should.include?(e.class)
}
end
end
end
end
|