typecheck: validate method field return types

tests/test_validate_typecheck_diagnostics.py

@@ -77,6 +77,10 @@ class ValidateTypecheckDiagnosticsTests(unittest.TestCase):
         self.assertIn("tests/typecheck_method_return_expression_bad.claro", MODULE.EXPECTED)
         self.assertIn("tests/typecheck_method_return_expression_good.claro", MODULE.EXPECTED_OK)
 
+    def test_includes_method_field_return_diagnostic_fixture(self):
+        self.assertIn("tests/typecheck_method_field_return_bad.claro", MODULE.EXPECTED)
+        self.assertIn("tests/typecheck_method_field_return_good.claro", MODULE.EXPECTED_OK)
+
     def test_includes_compatibility_method_return_success_fixture(self):
         self.assertIn("tests/typecheck_method_compat_return_good.claro", MODULE.EXPECTED_OK)
 

tests/typecheck_method_field_return_bad.claro

@@ -0,0 +1,7 @@
+CLASS Player
+    HAS score NUMBER
+
+    TEACH label RETURNS TEXT
+        RETURN score
+    END
+END

tests/typecheck_method_field_return_good.claro

@@ -0,0 +1,7 @@
+CLASS Player
+    HAS score NUMBER
+
+    TEACH score_value RETURNS NUMBER
+        RETURN score
+    END
+END