gh-91214: Skip tests failing on Solaris (GH-31978)

(cherry picked from commit 34ed038)

Co-authored-by: Jakub Kulík <[email protected]>

Author: kulikjak

Lib/test/test_re.py

@@ -2178,6 +2178,8 @@ def test_bug_20998(self):
         self.assertEqual(re.fullmatch('[a-c]+', 'ABC', re.I).span(), (0, 3))
 
     @unittest.skipIf(linked_to_musl(), "musl libc issue, bpo-46390")
+    @unittest.skipIf(sys.platform.startswith("sunos"),
+                     "test doesn't work on Solaris, gh-91214")
     def test_locale_caching(self):
         # Issue #22410
         oldlocale = locale.setlocale(locale.LC_CTYPE)
@@ -2215,6 +2217,8 @@ def check_en_US_utf8(self):
         self.assertIsNone(re.match(b'(?Li)\xe5', b'\xc5'))
 
     @unittest.skipIf(linked_to_musl(), "musl libc issue, bpo-46390")
+    @unittest.skipIf(sys.platform.startswith("sunos"),
+                     "test doesn't work on Solaris, gh-91214")
     def test_locale_compiled(self):
         oldlocale = locale.setlocale(locale.LC_CTYPE)
         self.addCleanup(locale.setlocale, locale.LC_CTYPE, oldlocale)

Lib/test/test_socket.py

@@ -52,6 +52,7 @@
 
 VSOCKPORT = 1234
 AIX = platform.system() == "AIX"
+SOLARIS = sys.platform.startswith("sunos")
 WSL = "microsoft-standard-WSL" in platform.release()
 
 try:
@@ -3888,6 +3889,10 @@ def testCMSG_SPACE(self):
         # Test CMSG_SPACE() with various valid and invalid values,
         # checking the assumptions used by sendmsg().
         toobig = self.socklen_t_limit - socket.CMSG_SPACE(1) + 1
+        if SOLARIS and platform.processor() == "sparc":
+            # On Solaris SPARC, number of bytes returned by socket.CMSG_SPACE
+            # increases at different lengths; see gh-91214.
+            toobig -= 3
         values = list(range(257)) + list(range(toobig - 257, toobig))
 
         last = socket.CMSG_SPACE(0)
@@ -4034,6 +4039,7 @@ def _testFDPassCMSG_LEN(self):
         self.createAndSendFDs(1)
 
     @unittest.skipIf(is_apple, "skipping, see issue #12958")
+    @unittest.skipIf(SOLARIS, "skipping, see gh-91214")
     @unittest.skipIf(AIX, "skipping, see issue #22397")
     @requireAttrs(socket, "CMSG_SPACE")
     def testFDPassSeparate(self):
@@ -4045,6 +4051,7 @@ def testFDPassSeparate(self):
 
     @testFDPassSeparate.client_skip
     @unittest.skipIf(is_apple, "skipping, see issue #12958")
+    @unittest.skipIf(SOLARIS, "skipping, see gh-91214")
     @unittest.skipIf(AIX, "skipping, see issue #22397")
     def _testFDPassSeparate(self):
         fd0, fd1 = self.newFDs(2)
@@ -4058,6 +4065,7 @@ def _testFDPassSeparate(self):
             len(MSG))
 
     @unittest.skipIf(is_apple, "skipping, see issue #12958")
+    @unittest.skipIf(SOLARIS, "skipping, see gh-91214")
     @unittest.skipIf(AIX, "skipping, see issue #22397")
     @requireAttrs(socket, "CMSG_SPACE")
     def testFDPassSeparateMinSpace(self):
@@ -4072,6 +4080,7 @@ def testFDPassSeparateMinSpace(self):
 
     @testFDPassSeparateMinSpace.client_skip
     @unittest.skipIf(is_apple, "skipping, see issue #12958")
+    @unittest.skipIf(SOLARIS, "skipping, see gh-91214")
     @unittest.skipIf(AIX, "skipping, see issue #22397")
     def _testFDPassSeparateMinSpace(self):
         fd0, fd1 = self.newFDs(2)