1 files changed, 15 insertions, 0 deletions
diff --git a/src/engine/SCons/Node/PythonTests.py b/src/engine/SCons/Node/PythonTests.py
index 0befa25..0fe22a5 100644
--- a/src/engine/SCons/Node/PythonTests.py
+++ b/src/engine/SCons/Node/PythonTests.py
@@ -45,6 +45,21 @@ class ValueTestCase(unittest.TestCase):
         assert not v1 is v2
         assert v1.value == v2.value
 
+    def test_calc_csig(self):
+        """Test calculating the content signature of a Value() object
+        """
+        v1 = SCons.Node.Python.Value('aaa')
+        csig = v1.calc_csig(None)
+        assert csig == 'aaa', csig
+
+        v2 = SCons.Node.Python.Value(7)
+        csig = v2.calc_csig(None)
+        assert csig == '7', csig
+
+        v3 = SCons.Node.Python.Value(None)
+        csig = v3.calc_csig(None)
+        assert csig == 'None', csig
+
 
 if __name__ == "__main__":
     suite = unittest.makeSuite(ValueTestCase, 'test_')