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-rw-r--r--Lib/test/test_winsound.py20
1 files changed, 16 insertions, 4 deletions
diff --git a/Lib/test/test_winsound.py b/Lib/test/test_winsound.py
index 32b49d3081..0d6ddf9ca0 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):