--- /dev/null
+AT_BANNER([OVSDB -- columns])
+
+OVSDB_CHECK_POSITIVE([ordinary column],
+ [[parse-column mycol '{"type": "integer"}']],
+ [[{"type":"integer"}]])
+
+OVSDB_CHECK_POSITIVE([immutable column],
+ [[parse-column mycol '{"type": "real", "mutable": false}']],
+ [[{"mutable":false,"type":"real"}]])
+
+OVSDB_CHECK_POSITIVE([ephemeral column],
+ [[parse-column mycol '{"type": "uuid", "ephemeral": true}']],
+ [[{"ephemeral":true,"type":"uuid"}]])
+
+OVSDB_CHECK_POSITIVE([column with comment],
+ [[parse-column mycol '{"type": "boolean",
+ "comment": "extra information about this column"}']],
+ [[{"comment":"extra information about this column","type":"boolean"}]])