From 356fd18c7385f99766fe1e8d843ec85712bbaf76 Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Mon, 11 Jun 2018 22:51:11 +0200
Subject: Calling denoSub twice should fail.

---
 deno2/js/mock_runtime.js | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'deno2/js/mock_runtime.js')

diff --git a/deno2/js/mock_runtime.js b/deno2/js/mock_runtime.js
index 5702ed592..570d6cf28 100644
--- a/deno2/js/mock_runtime.js
+++ b/deno2/js/mock_runtime.js
@@ -49,3 +49,10 @@ function SubReturnBar() {
   const rstr = String.fromCharCode(...rui8);
   assert(rstr === "bar");
 }
+
+function DoubleSubFails() {
+  // denoSub is an internal function and should only be called once from the
+  // runtime.
+  denoSub((channel, msg) => assert(false));
+  denoSub((channel, msg) => assert(false));
+}
-- 
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