1 files changed, 99 insertions, 0 deletions
diff --git a/lib/python2.7/test/test_linuxaudiodev.py b/lib/python2.7/test/test_linuxaudiodev.py
new file mode 100644
index 0000000..fef46b4
--- /dev/null
+++ b/lib/python2.7/test/test_linuxaudiodev.py
@@ -0,0 +1,99 @@
+from test import test_support
+test_support.requires('audio')
+
+from test.test_support import findfile, run_unittest
+
+import errno
+import sys
+import audioop
+import unittest
+
+linuxaudiodev = test_support.import_module('linuxaudiodev', deprecated=True)
+sunaudio = test_support.import_module('sunaudio', deprecated=True)
+
+SND_FORMAT_MULAW_8 = 1
+
+class LinuxAudioDevTests(unittest.TestCase):
+
+    def setUp(self):
+        self.dev = linuxaudiodev.open('w')
+
+    def tearDown(self):
+        self.dev.close()
+
+    def test_methods(self):
+        # at least check that these methods can be invoked
+        self.dev.bufsize()
+        self.dev.obufcount()
+        self.dev.obuffree()
+        self.dev.getptr()
+        self.dev.fileno()
+
+    def test_play_sound_file(self):
+        path = findfile("audiotest.au")
+        fp = open(path, 'r')
+        size, enc, rate, nchannels, extra = sunaudio.gethdr(fp)
+        data = fp.read()
+        fp.close()
+
+        if enc != SND_FORMAT_MULAW_8:
+            self.fail("Expect .au file with 8-bit mu-law samples")
+
+        # convert the data to 16-bit signed
+        data = audioop.ulaw2lin(data, 2)
+
+        # set the data format
+        if sys.byteorder == 'little':
+            fmt = linuxaudiodev.AFMT_S16_LE
+        else:
+            fmt = linuxaudiodev.AFMT_S16_BE
+
+        # set parameters based on .au file headers
+        self.dev.setparameters(rate, 16, nchannels, fmt)
+        self.dev.write(data)
+        self.dev.flush()
+
+    def test_errors(self):
+        size = 8
+        fmt = linuxaudiodev.AFMT_U8
+        rate = 8000
+        nchannels = 1
+        try:
+            self.dev.setparameters(-1, size, nchannels, fmt)
+        except ValueError, err:
+            self.assertEqual(err.args[0], "expected rate >= 0, not -1")
+        try:
+            self.dev.setparameters(rate, -2, nchannels, fmt)
+        except ValueError, err:
+            self.assertEqual(err.args[0], "expected sample size >= 0, not -2")
+        try:
+            self.dev.setparameters(rate, size, 3, fmt)
+        except ValueError, err:
+            self.assertEqual(err.args[0], "nchannels must be 1 or 2, not 3")
+        try:
+            self.dev.setparameters(rate, size, nchannels, 177)
+        except ValueError, err:
+            self.assertEqual(err.args[0], "unknown audio encoding: 177")
+        try:
+            self.dev.setparameters(rate, size, nchannels, linuxaudiodev.AFMT_U16_LE)
+        except ValueError, err:
+            self.assertEqual(err.args[0], "for linear unsigned 16-bit little-endian "
+                             "audio, expected sample size 16, not 8")
+        try:
+            self.dev.setparameters(rate, 16, nchannels, fmt)
+        except ValueError, err:
+            self.assertEqual(err.args[0], "for linear unsigned 8-bit audio, expected "
+                             "sample size 8, not 16")
+
+def test_main():
+    try:
+        dsp = linuxaudiodev.open('w')
+    except linuxaudiodev.error, msg:
+        if msg.args[0] in (errno.EACCES, errno.ENOENT, errno.ENODEV, errno.EBUSY):
+            raise unittest.SkipTest(msg)
+        raise
+    dsp.close()
+    run_unittest(LinuxAudioDevTests)
+
+if __name__ == '__main__':
+    test_main()