diff --git a/Lib/test/test_winsound.py b/Lib/test/test_winsound.py index 19d4459a55b..5606c44cc09 100644 --- a/Lib/test/test_winsound.py +++ b/Lib/test/test_winsound.py @@ -8,6 +8,13 @@ import subprocess class BeepTest(unittest.TestCase): + # As with PlaySoundTest, incorporate the _have_soundcard() check + # into our test methods. If there's no audio device present, + # winsound.Beep returns 0 and GetLastError() returns 127, which + # is: ERROR_PROC_NOT_FOUND ("The specified procedure could not + # be found"). (FWIW, virtual/Hyper-V systems fall under this + # scenario as they have no sound devices whatsoever (not even + # a legacy Beep device).) def test_errors(self): self.assertRaises(TypeError, winsound.Beep) @@ -15,12 +22,17 @@ class BeepTest(unittest.TestCase): self.assertRaises(ValueError, winsound.Beep, 32768, 75) def test_extremes(self): - winsound.Beep(37, 75) - winsound.Beep(32767, 75) + if _have_soundcard(): + winsound.Beep(37, 75) + winsound.Beep(32767, 75) + else: + self.assertRaises(RuntimeError, winsound.Beep, 37, 75) + self.assertRaises(RuntimeError, winsound.Beep, 32767, 75) def test_increasingfrequency(self): - for i in xrange(100, 2000, 100): - winsound.Beep(i, 75) + if _have_soundcard(): + for i in xrange(100, 2000, 100): + winsound.Beep(i, 75) class MessageBeepTest(unittest.TestCase):