commit 2235648b86304d359da23b5d2954729c82d4c132
author Serhiy Storchaka <storchaka@gmail.com> Thu Oct 17 12:45:45 2013 +0300
committer Serhiy Storchaka <storchaka@gmail.com> Thu Oct 17 12:45:45 2013 +0300
tree b5a31661c5f205303835ddc5739f1d39070eaee9
parent a5cd255a7cb15c7920171f0796cf163a00a5ecaf

Issue 19276: Fix tests for wave files on big-endian platforms.
Skip tests for 24-bit wave file on big-endian platforms.

Lib/test/test_wave.py

diff --git a/Lib/test/test_wave.py b/Lib/test/test_wave.py
index b7ba891..5b48cef 100644
--- a/Lib/test/test_wave.py
+++ b/Lib/test/test_wave.py
@@ -1,6 +1,7 @@
 from test.test_support import TESTFN, run_unittest
 import unittest
 from test import audiotests
+import sys
 import wave
 
 
@@ -44,9 +45,13 @@
       EEDF1755 82061666 7FFF1446 80001296 499C0EB2 52BA0DB9 EFB70F5C CE400FBC \
       E4B50CEB 63440A5A 08CA0A1F 2BBA0B0B 51460E47 8BCB113C B6F50EEA 44150A59 \
       """)
-    frames = audiotests.byteswap2(frames)
+    if sys.byteorder != 'big':
+        frames = audiotests.byteswap2(frames)
 
 
+@unittest.skipIf(sys.byteorder == 'big',
+                 '24-bit wave files are supported only on little-endian '
+                 'platforms')
 class WavePCM24Test(audiotests.AudioWriteTests,
         audiotests.AudioTestsWithSourceFile,
         unittest.TestCase):
@@ -73,7 +78,8 @@
       E4B49C0CEA2D 6344A80A5A7C 08C8FE0A1FFE 2BB9860B0A0E \
       51486F0E44E1 8BCC64113B05 B6F4EC0EEB36 4413170A5B48 \
       """)
-    frames = audiotests.byteswap3(frames)
+    if sys.byteorder != 'big':
+        frames = audiotests.byteswap3(frames)
 
 
 class WavePCM32Test(audiotests.AudioWriteTests,
@@ -102,7 +108,8 @@
       E4B49CC00CEA2D90 6344A8800A5A7CA0 08C8FE800A1FFEE0 2BB986C00B0A0E00 \
       51486F800E44E190 8BCC6480113B0580 B6F4EC000EEB3630 441317800A5B48A0 \
       """)
-    frames = audiotests.byteswap4(frames)
+    if sys.byteorder != 'big':
+        frames = audiotests.byteswap4(frames)
 
 
 def test_main():