C++: Add testcase with missing MaD support for resolving typedefs inside arrays.

Author: MathiasVP

cpp/ql/test/library-tests/dataflow/models-as-data/SummaryCall.expected

@@ -230,3 +230,10 @@ sourceCallables
 | tests.cpp:463:6:463:6 | x |
 | tests.cpp:464:36:464:36 | s |
 | tests.cpp:465:6:465:6 | y |
+| tests.cpp:469:7:469:9 | INT |
+| tests.cpp:471:5:471:17 | receive_array |
+| tests.cpp:471:23:471:23 | a |
+| tests.cpp:473:6:473:23 | test_receive_array |
+| tests.cpp:474:6:474:6 | x |
+| tests.cpp:475:6:475:10 | array |
+| tests.cpp:476:6:476:6 | y |

cpp/ql/test/library-tests/dataflow/models-as-data/testModels.qll

@@ -98,7 +98,8 @@ private class TestSummaries extends SummaryModelCsv {
         ";;false;madCallArg0ReturnToReturnFirst;;;Argument[0].ReturnValue;ReturnValue.Field[first];value",
         ";;false;madCallArg0WithValue;;;Argument[1];Argument[0].Parameter[0];value",
         ";;false;madCallReturnValueIgnoreFunction;;;Argument[1];ReturnValue;value",
-        ";StructWithTypedefInParameter<T>;true;parameter_ref_to_return_ref;(const T &);;Argument[*0];ReturnValue[*];value"
+        ";StructWithTypedefInParameter<T>;true;parameter_ref_to_return_ref;(const T &);;Argument[*0];ReturnValue[*];value",
+        ";;false;receive_array;(int[20]);;Argument[*0];ReturnValue;taint"
       ]
   }
 }

cpp/ql/test/library-tests/dataflow/models-as-data/tests.cpp

@@ -464,4 +464,15 @@ void test_parameter_ref_to_return_ref() {
 	StructWithTypedefInParameter<int> s;
 	int y = s.parameter_ref_to_return_ref(x);
 	sink(y); // $ ir
+}
+
+using INT = int;
+
+int receive_array(INT a[20]); // $ MISSING: interpretElement
+
+void test_receive_array() {
+	int x = source();
+	int array[10] = {x};
+	int y = receive_array(array);
+	sink(y); // $ MISSING: ir
 }