Use support.change_cwd() in tests.

1 files changed, 19 insertions, 0 deletions

diff --git a/Lib/test/test_sysconfig.py b/Lib/test/test_sysconfig.py
index 8ed729a2b5..0917c3e260 100644
--- a/Lib/test/test_sysconfig.py
+++ b/Lib/test/test_sysconfig.py
@@ -385,6 +385,25 @@ class TestSysConfig(unittest.TestCase):
         self.assertIsNotNone(vars['SO'])
         self.assertEqual(vars['SO'], vars['EXT_SUFFIX'])
 
+    @unittest.skipUnless(sys.platform == 'linux', 'Linux-specific test')
+    def test_triplet_in_ext_suffix(self):
+        import ctypes, platform, re
+        machine = platform.machine()
+        suffix = sysconfig.get_config_var('EXT_SUFFIX')
+        if re.match('(aarch64|arm|mips|ppc|powerpc|s390|sparc)', machine):
+            self.assertTrue('linux' in suffix, suffix)
+        if re.match('(i[3-6]86|x86_64)$', machine):
+            if ctypes.sizeof(ctypes.c_char_p()) == 4:
+                self.assertTrue(suffix.endswith('i386-linux-gnu.so') \
+                                or suffix.endswith('x86_64-linux-gnux32.so'),
+                                suffix)
+            else: # 8 byte pointer size
+                self.assertTrue(suffix.endswith('x86_64-linux-gnu.so'), suffix)
+
+    @unittest.skipUnless(sys.platform == 'darwin', 'OS X-specific test')
+    def test_osx_ext_suffix(self):
+        suffix = sysconfig.get_config_var('EXT_SUFFIX')
+        self.assertTrue(suffix.endswith('-darwin.so'), suffix)
 
 class MakefileTests(unittest.TestCase):