test_socket.py 文件源码

def test_SOCK_NONBLOCK(self):
        # a lot of it seems silly and redundant, but I wanted to test that
        # changing back and forth worked ok
        with socket.socket(socket.AF_INET,
                           socket.SOCK_STREAM | socket.SOCK_NONBLOCK) as s:
            self.checkNonblock(s)
            s.setblocking(1)
            self.checkNonblock(s, False)
            s.setblocking(0)
            self.checkNonblock(s)
            s.settimeout(None)
            self.checkNonblock(s, False)
            s.settimeout(2.0)
            self.checkNonblock(s, timeout=2.0)
            s.setblocking(1)
            self.checkNonblock(s, False)
        # defaulttimeout
        t = socket.getdefaulttimeout()
        socket.setdefaulttimeout(0.0)
        with socket.socket() as s:
            self.checkNonblock(s)
        socket.setdefaulttimeout(None)
        with socket.socket() as s:
            self.checkNonblock(s, False)
        socket.setdefaulttimeout(2.0)
        with socket.socket() as s:
            self.checkNonblock(s, timeout=2.0)
        socket.setdefaulttimeout(None)
        with socket.socket() as s:
            self.checkNonblock(s, False)
        socket.setdefaulttimeout(t)