test.py 文件源码

python
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项目:btc-fpga-miner 作者: marsohod4you 项目源码 文件源码
def test_WriteTimeout(self):
        """Test write() timeout."""
        # use xonxoff setting and the loop-back adapter to switch traffic on hold
        self.s.port = PORT
        self.s.writeTimeout = 1
        self.s.xonxoff = 1
        self.s.open()
        self.s.write(serial.XOFF)
        time.sleep(0.5) # some systems need a little delay so that they can react on XOFF
        t1 = time.time()
        self.failUnlessRaises(serial.SerialTimeoutException, self.s.write, data("timeout please"*200))
        t2 = time.time()
        self.failUnless( 0.9 <= (t2-t1) < 2.1, "Timeout not in the given interval (%s)" % (t2-t1))
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