1 files changed, 51 insertions, 0 deletions
diff --git a/tests/unit_node/querystring_test.ts b/tests/unit_node/querystring_test.ts
new file mode 100644
index 000000000..9831d92ed
--- /dev/null
+++ b/tests/unit_node/querystring_test.ts
@@ -0,0 +1,51 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+import { assertEquals } from "@test_util/std/assert/mod.ts";
+import { parse, stringify } from "node:querystring";
+
+Deno.test({
+  name: "stringify",
+  fn() {
+    assertEquals(
+      stringify({
+        a: "hello",
+        b: 5,
+        c: true,
+        d: ["foo", "bar"],
+      }),
+      "a=hello&b=5&c=true&d=foo&d=bar",
+    );
+  },
+});
+
+Deno.test({
+  name: "parse",
+  fn() {
+    assertEquals(parse("a=hello&b=5&c=true&d=foo&d=bar"), {
+      a: "hello",
+      b: "5",
+      c: "true",
+      d: ["foo", "bar"],
+    });
+  },
+});
+
+// https://github.com/denoland/deno/issues/21734
+Deno.test({
+  name: "stringify options no encode",
+  fn() {
+    assertEquals(
+      stringify(
+        {
+          a: "hello",
+          b: 5,
+          c: true,
+          d: ["foo", "bar"],
+        },
+        "&",
+        "=",
+        {},
+      ),
+      "a=hello&b=5&c=true&d=foo&d=bar",
+    );
+  },
+});