From 3a7e06174766bfb40d64e16758543bdf313a134d Mon Sep 17 00:00:00 2001
From: Jacob Cassagnol <87133045+jcassagnol-public@users.noreply.github.com>
Date: Tue, 9 Nov 2021 17:40:52 -0500
Subject: Added testcases for new lines in Util.py

---
 SCons/UtilTests.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/SCons/UtilTests.py b/SCons/UtilTests.py
index 4417ba5..74ea6e9 100644
--- a/SCons/UtilTests.py
+++ b/SCons/UtilTests.py
@@ -47,6 +47,7 @@ from SCons.Util import (
     Selector,
     WhereIs,
     _attempt_init_of_python_3_9_hash_object,
+    _attempt_get_hash_function,
     _get_hash_object,
     _set_allowed_viable_default_hashes,
     adjustixes,
@@ -941,6 +942,16 @@ class FIPSHashTestCase(unittest.TestCase):
         self.sys_v4_8 = unittest.mock.Mock(version_info=v4_8)
         ###############################
 
+    def basic_failover_bad_hashlib_hash_init(self):
+        """Tests that if the hashing function is entirely missing from hashlib (hashlib returns None),
+        the hash init function returns None"""
+        assert _attempt_init_of_python_3_9_hash_object(None) == None
+
+    def basic_failover_bad_hashlib_hash_get(self):
+        """Tests that if the hashing function is entirely missing from hashlib (hashlib returns None),
+        the hash get function returns None"""
+        assert _attempt_get_hash_function("nonexist", self.no_algorithms) == None
+
     def test_usedforsecurity_flag_behavior(self):
         """Test usedforsecurity flag -> should be set to 'True' on older versions of python, and 'False' on Python >= 3.9"""
         for version, expected in {
-- 
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