1 files changed, 11 insertions, 0 deletions
diff --git a/ipc/ipdl/test/ipdl/error/twoprotocols.ipdl b/ipc/ipdl/test/ipdl/error/twoprotocols.ipdl
new file mode 100644
index 0000000000..7e2a51a61a
--- /dev/null
+++ b/ipc/ipdl/test/ipdl/error/twoprotocols.ipdl
@@ -0,0 +1,11 @@
+// it's an error to define two protocols in the same file
+
+//error: only one protocol definition per file
+
+protocol p1 {
+child: async Msg();
+};
+
+protocol p2 {
+child: async Msg();
+};