--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python-2.5.2/win32/Lib/test/test_ossaudiodev.py	Fri Apr 03 17:19:34 2009 +0100
@@ -0,0 +1,163 @@
+from test import test_support
+test_support.requires('audio')
+
+from test.test_support import verbose, findfile, TestFailed, TestSkipped
+
+import errno
+import fcntl
+import ossaudiodev
+import os
+import sys
+import select
+import sunaudio
+import time
+import audioop
+
+# Arggh, AFMT_S16_NE not defined on all platforms -- seems to be a
+# fairly recent addition to OSS.
+try:
+    from ossaudiodev import AFMT_S16_NE
+except ImportError:
+    if sys.byteorder == "little":
+        AFMT_S16_NE = ossaudiodev.AFMT_S16_LE
+    else:
+        AFMT_S16_NE = ossaudiodev.AFMT_S16_BE
+
+
+SND_FORMAT_MULAW_8 = 1
+
+def read_sound_file(path):
+    fp = open(path, 'rb')
+    size, enc, rate, nchannels, extra = sunaudio.gethdr(fp)
+    data = fp.read()
+    fp.close()
+
+    if enc != SND_FORMAT_MULAW_8:
+        print "Expect .au file with 8-bit mu-law samples"
+        return
+
+    # Convert the data to 16-bit signed.
+    data = audioop.ulaw2lin(data, 2)
+    return (data, rate, 16, nchannels)
+
+# version of assert that still works with -O
+def _assert(expr, message=None):
+    if not expr:
+        raise AssertionError(message or "assertion failed")
+
+def play_sound_file(data, rate, ssize, nchannels):
+    try:
+        dsp = ossaudiodev.open('w')
+    except IOError, msg:
+        if msg[0] in (errno.EACCES, errno.ENOENT, errno.ENODEV, errno.EBUSY):
+            raise TestSkipped, msg
+        raise TestFailed, msg
+
+    # at least check that these methods can be invoked
+    dsp.bufsize()
+    dsp.obufcount()
+    dsp.obuffree()
+    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
+
+    # Compute expected running time of sound sample (in seconds).
+    expected_time = float(len(data)) / (ssize/8) / nchannels / rate
+
+    # set parameters based on .au file headers
+    dsp.setparameters(AFMT_S16_NE, nchannels, rate)
+    print ("playing test sound file (expected running time: %.2f sec)"
+           % expected_time)
+    t1 = time.time()
+    dsp.write(data)
+    dsp.close()
+    t2 = time.time()
+    elapsed_time = t2 - t1
+
+    percent_diff = (abs(elapsed_time - expected_time) / expected_time) * 100
+    _assert(percent_diff <= 10.0, \
+            ("elapsed time (%.2f sec) > 10%% off of expected time (%.2f sec)"
+             % (elapsed_time, expected_time)))
+
+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-
+    #      purpose high-end hardware
+    #   config2 (16-bit, stereo, 44.1kHz) should work on all but the
+    #      most ancient and crufty hardware
+    config1 = (ossaudiodev.AFMT_U8, 1, 8000)
+    config2 = (AFMT_S16_NE, 2, 44100)
+
+    for config in [config1, config2]:
+        (fmt, channels, rate) = config
+        if (dsp.setfmt(fmt) == fmt and
+            dsp.channels(channels) == channels and
+            dsp.speed(rate) == rate):
+            break
+    else:
+        raise RuntimeError("unable to set audio sampling parameters: "
+                           "you must have really weird audio hardware")
+
+    # setparameters() should be able to set this configuration in
+    # either strict or non-strict mode.
+    result = dsp.setparameters(fmt, channels, rate, False)
+    _assert(result == (fmt, channels, rate),
+            "setparameters%r: returned %r" % (config, result))
+    result = dsp.setparameters(fmt, channels, rate, True)
+    _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
+                  ]:
+        (fmt, channels, rate) = config
+        result = dsp.setparameters(fmt, channels, rate, False)
+        _assert(result != config,
+                "setparameters: unexpectedly got requested configuration")
+
+        try:
+            result = dsp.setparameters(fmt, channels, rate, True)
+            raise AssertionError("setparameters: expected OSSAudioError")
+        except ossaudiodev.OSSAudioError, err:
+            print "setparameters: got OSSAudioError as expected"
+
+def test():
+    (data, rate, ssize, nchannels) = read_sound_file(findfile('audiotest.au'))
+    play_sound_file(data, rate, ssize, nchannels)
+
+    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()