1 files changed, 12 insertions, 0 deletions
diff --git a/js/globals_test.ts b/js/globals_test.ts
index d5ce68c38..64a5c37ab 100644
--- a/js/globals_test.ts
+++ b/js/globals_test.ts
@@ -17,6 +17,18 @@ test(function globalThisEqualsWindow() {
   assert(globalThis === window);
 });
 
+test(function DenoNamespaceExists() {
+  assert(Deno != null);
+});
+
+test(function DenoNamespaceEqualsWindowDeno() {
+  assert(Deno === window.Deno);
+});
+
+test(function DenoNamespaceIsFrozen() {
+  assert(Object.isFrozen(Deno));
+});
+
 test(function webAssemblyExists() {
   assert(typeof WebAssembly.compile === "function");
 });