Port test_array and test_winsound to PyUnit. Enhance tests for array

(code coverage for Modules/arraymodule.c is at 91%)

From SF patch #736962.

Lib/test/output/test_winsound

-test_winsound
-Hopefully you heard some sounds increasing in frequency!

Lib/test/test_winsound.py

 # Ridiculously simple test of the winsound module for Windows.
 
+import unittest
+from test import test_support
 import winsound, time
-for i in range(100, 2000, 100):
-    winsound.Beep(i, 75)
-print "Hopefully you heard some sounds increasing in frequency!"
-winsound.MessageBeep()
-time.sleep(0.5)
-winsound.MessageBeep(winsound.MB_OK)
-time.sleep(0.5)
-winsound.MessageBeep(winsound.MB_ICONASTERISK)
-time.sleep(0.5)
-winsound.MessageBeep(winsound.MB_ICONEXCLAMATION)
-time.sleep(0.5)
-winsound.MessageBeep(winsound.MB_ICONHAND)
-time.sleep(0.5)
-winsound.MessageBeep(winsound.MB_ICONQUESTION)
-time.sleep(0.5)
+
+class BeepTest(unittest.TestCase):
+
+    def test_errors(self):
+        self.assertRaises(TypeError, winsound.Beep)
+        self.assertRaises(ValueError, winsound.Beep, 36, 75)
+        self.assertRaises(ValueError, winsound.Beep, 32768, 75)
+
+    def test_extremes(self):
+        winsound.Beep(37, 75)
+        winsound.Beep(32767, 75)
+
+    def test_increasingfrequency(self):
+        for i in xrange(100, 2000, 100):
+            winsound.Beep(i, 75)
+
+class MessageBeepTest(unittest.TestCase):
+
+    def tearDown(self):
+        time.sleep(0.5)
+
+    def test_default(self):
+        self.assertRaises(TypeError, winsound.MessageBeep, "bad")
+        self.assertRaises(TypeError, winsound.MessageBeep, 42, 42)
+        winsound.MessageBeep()
+
+    def test_ok(self):
+        winsound.MessageBeep(winsound.MB_OK)
+
+    def test_asterisk(self):
+        winsound.MessageBeep(winsound.MB_ICONASTERISK)
+
+    def test_exclamation(self):
+        winsound.MessageBeep(winsound.MB_ICONEXCLAMATION)
+
+    def test_hand(self):
+        winsound.MessageBeep(winsound.MB_ICONHAND)
+
+    def test_question(self):
+        winsound.MessageBeep(winsound.MB_ICONQUESTION)
+
+class PlaySoundTest(unittest.TestCase):
+
+    def test_errors(self):
+        self.assertRaises(TypeError, winsound.PlaySound)
+        self.assertRaises(TypeError, winsound.PlaySound, "bad", "bad")
+        self.assertRaises(
+            RuntimeError,
+            winsound.PlaySound,
+            "none", winsound.SND_ASYNC | winsound.SND_MEMORY
+        )
+
+    def test_alias_asterisk(self):
+        winsound.PlaySound('SystemAsterisk', winsound.SND_ALIAS)
+
+    def test_alias_exclamation(self):
+        winsound.PlaySound('SystemExclamation', winsound.SND_ALIAS)
+
+    def test_alias_exit(self):
+        winsound.PlaySound('SystemExit', winsound.SND_ALIAS)
+
+    def test_alias_hand(self):
+        winsound.PlaySound('SystemHand', winsound.SND_ALIAS)
+
+    def test_alias_question(self):
+        winsound.PlaySound('SystemQuestion', winsound.SND_ALIAS)
+
+    def test_alias_fallback(self):
+        winsound.PlaySound('!"$%&/(#+*', winsound.SND_ALIAS)
+
+    def test_alias_nofallback(self):
+        try:
+            winsound.PlaySound(
+                '!"$%&/(#+*',
+                winsound.SND_ALIAS | winsound.SND_NODEFAULT
+            )
+        except RuntimeError:
+            pass
+
+    def test_stopasync(self):
+        winsound.PlaySound(
+            'SystemQuestion',
+            winsound.SND_ALIAS | winsound.SND_ASYNC | winsound.SND_LOOP
+        )
+        time.sleep(0.5)
+        self.assertRaises(
+            RuntimeError,
+            winsound.PlaySound,
+            'SystemQuestion', winsound.SND_ALIAS | winsound.SND_NOSTOP
+        )
+        winsound.PlaySound(None, winsound.SND_PURGE)
+
+def test_main():
+    test_support.run_unittest(BeepTest, MessageBeepTest, PlaySoundTest)
+
+if __name__=="__main__":
+    test_main()