Add new test case for checking escaping of double quotes in options

Author: eunovm

tests/input/generic.c

@@ -0,0 +1 @@
+const char *tmp = DOUBLE_QUOTES;

tests/test_generic.py

@@ -0,0 +1,9 @@
+import pytest
+import utils
+
+
+class TestGeneric(utils.CIFTestCase):
+    # Indeed, cif.cpp does not require to escape double quotes unlike it was for cif.c.
+    @pytest.mark.xfail
+    def test_escaping_double_quotes(self):
+        self.cif.run(cif_input='input/generic.c', stage='C-backend', cif_output='work/simple.c', aspectator_opts=['-DDOUBLE_QUOTES=\\"double quotes\\"'])