diff options
Diffstat (limited to 'Lib/test/test_ossaudiodev.py')
| -rw-r--r-- | Lib/test/test_ossaudiodev.py | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/Lib/test/test_ossaudiodev.py b/Lib/test/test_ossaudiodev.py index 3067c03..f668eb4 100644 --- a/Lib/test/test_ossaudiodev.py +++ b/Lib/test/test_ossaudiodev.py @@ -56,6 +56,19 @@ def play_sound_file(data, rate, ssize, nchannels): dsp.getptr() dsp.fileno() + # Make sure the read-only attributes work. + assert dsp.closed is False, "dsp.closed is not False" + assert dsp.name == "/dev/dsp" + assert dsp.mode == 'w', "bad dsp.mode: %r" % dsp.mode + + # And make sure they're really read-only. + for attr in ('closed', 'name', 'mode'): + try: + setattr(dsp, attr, 42) + raise RuntimeError("dsp.%s not read-only" % attr) + except TypeError: + pass + # set parameters based on .au file headers dsp.setparameters(AFMT_S16_NE, nchannels, rate) t1 = time.time() @@ -65,9 +78,7 @@ def play_sound_file(data, rate, ssize, nchannels): t2 = time.time() print "elapsed time: %.1f sec" % (t2-t1) -def test_setparameters(): - dsp = ossaudiodev.open("w") - +def test_setparameters(dsp): # Two configurations for testing: # config1 (8-bit, mono, 8 kHz) should work on even the most # ancient and crufty sound card, but maybe not on special- @@ -96,11 +107,16 @@ def test_setparameters(): assert result == (fmt, channels, rate), \ "setparameters%r: returned %r" % (config + result) +def test_bad_setparameters(dsp): + # Now try some configurations that are presumably bogus: eg. 300 # channels currently exceeds even Hollywood's ambitions, and # negative sampling rate is utter nonsense. setparameters() should # accept these in non-strict mode, returning something other than # was requested, but should barf in strict mode. + fmt = AFMT_S16_NE + rate = 44100 + channels = 2 for config in [(fmt, 300, rate), # ridiculous nchannels (fmt, -5, rate), # impossible nchannels (fmt, channels, -50), # impossible rate @@ -119,6 +135,16 @@ def test_setparameters(): def test(): (data, rate, ssize, nchannels) = read_sound_file(findfile('audiotest.au')) play_sound_file(data, rate, ssize, nchannels) - test_setparameters() + + dsp = ossaudiodev.open("w") + try: + test_setparameters(dsp) + + # Disabled because it fails under Linux 2.6 with ALSA's OSS + # emulation layer. + #test_bad_setparameters(dsp) + finally: + dsp.close() + assert dsp.closed is True, "dsp.closed is not True" test() |