Add test cases

tests/qref/data/invalid_yaml_programs.yaml

@@ -228,4 +228,13 @@
   description: "Target of a paramater link is not namespaced"
   error_path: "$.program.linked_params[0].targets[0]"
   error_message: "'N' does not match '^([A-Za-z_][A-Za-z0-9_]*\\\\.)+[A-Za-z_][A-Za-z0-9_]*$'"
-
+- input:
+    version: v1
+    program:
+      name: "root"
+      input_params:
+        - N
+      local_variables: ["R = N+1"]
+  description: Routine uses old format for local_variables
+  error_path: "$.program.local_variables"
+  error_message: "['R = N+1'] is not of type 'object'"

tests/qref/data/valid_programs/example_5.yaml

@@ -0,0 +1,18 @@
+description: Program with local variables
+input:
+  program:
+    input_params:
+    - N
+    - M
+    name: root
+    ports:
+    - direction: input
+      name: in_0
+      size: N
+    - direction: output
+      name: out_0
+      size: 2
+    local_variables:
+      L: ceil(N/2)
+      R: M+2
+  version: v1