1 files changed, 16 insertions, 0 deletions
diff --git a/std/uuid/tests/isNil.ts b/std/uuid/tests/isNil.ts
new file mode 100644
index 000000000..29f0feb62
--- /dev/null
+++ b/std/uuid/tests/isNil.ts
@@ -0,0 +1,16 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+import { assert } from "../../testing/asserts.ts";
+import { test } from "../../testing/mod.ts";
+// @ts-ignore
+import { NIL_UUID, isNil } from "../mod.ts";
+
+test({
+  name: "[UUID] isNil",
+  fn(): void {
+    const nil = NIL_UUID;
+    const u = "582cbcff-dad6-4f28-888a-e062ae36bafc";
+    assert(isNil(nil));
+    assert(!isNil(u));
+    console.log("");
+  }
+});