1 files changed, 9 insertions, 0 deletions
diff --git a/js/unit_tests.ts b/js/unit_tests.ts
index 6eebf8860..48b7e6bb3 100644
--- a/js/unit_tests.ts
+++ b/js/unit_tests.ts
@@ -5,6 +5,7 @@
 
 import { test, assert, assertEqual } from "./testing/testing.ts";
 import { readFileSync } from "deno";
+import { stringify } from "./console.ts";
 import * as deno from "deno";
 
 import "./compiler_test.ts";
@@ -25,6 +26,14 @@ test(function tests_console_assert() {
   assertEqual(hasThrown, true);
 });
 
+test(function tests_console_stringify_complex_objects() {
+  // tslint:disable:no-any
+  assertEqual("foo", stringify(new Set<any>(), "foo"));
+  assertEqual(`[ "foo", "bar" ]`, stringify(new Set<any>(), ["foo", "bar"]));
+  assertEqual(`{ foo: "bar" }`, stringify(new Set<any>(), { foo: "bar" }));
+  // tslint:enable:no-any
+});
+
 test(function tests_console_stringify_circular() {
   class Base {
     a = 1;