C++: regression test for extractor bug with enum in template class

cpp/ql/test/library-tests/templates/switch/test.cpp

@@ -0,0 +1,23 @@
+
+// A regression test for a bug extracting the enum constants in a template
+// class.
+
+template <class>
+class C {
+  enum { foo, bar, baz } delim;
+  void f();
+};
+
+template <class T>
+void C<T>::f() {
+  switch (delim) {
+    case bar:
+      break;
+    case baz:
+      break;
+    case foo:
+      break;
+  }
+}
+
+template class C<int>;

cpp/ql/test/library-tests/templates/switch/test.expected

@@ -0,0 +1,2 @@
+| test.cpp:13:3:20:3 | switch (...) ...  | 3 |
+| test.cpp:13:3:20:3 | switch (...) ...  | 3 |

cpp/ql/test/library-tests/templates/switch/test.ql

@@ -0,0 +1,4 @@
+import cpp
+
+from SwitchStmt ss
+select ss, count(SwitchCase sc | ss = sc.getSwitchStmt())