diff options
Diffstat (limited to 'Lib/test/test_winsound.py')
| -rw-r--r-- | Lib/test/test_winsound.py | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/Lib/test/test_winsound.py b/Lib/test/test_winsound.py index 32b49d3..0d6ddf9 100644 --- a/Lib/test/test_winsound.py +++ b/Lib/test/test_winsound.py @@ -9,6 +9,13 @@ 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) @@ -16,12 +23,17 @@ 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 range(100, 2000, 100): - winsound.Beep(i, 75) + if _have_soundcard(): + for i in range(100, 2000, 100): + winsound.Beep(i, 75) class MessageBeepTest(unittest.TestCase): |