1 files changed, 16 insertions, 10 deletions
diff --git a/test/bun.js/node-timers.test.ts b/test/bun.js/node-timers.test.ts
index f1a8ae802..e6fa48010 100644
--- a/test/bun.js/node-timers.test.ts
+++ b/test/bun.js/node-timers.test.ts
@@ -1,11 +1,17 @@
-import { test } from "bun:test";
-import { setTimeout } from "node:timers";
+import { describe, test } from "bun:test";
+import { setTimeout, clearTimeout, setInterval, setImmediate } from "node:timers";
 
-// not implemented yet
-// test("unref is possible", () => {
-//   const timer = setTimeout(() => {
-//     throw new Error("should not be called");
-//   }, 1000);
-//   timer.unref();
-//   clearTimeout(timer);
-// });
+for (const fn of [setTimeout, setInterval, setImmediate]) {
+  describe(fn.name, () => {
+    test("unref is possible", done => {
+      const timer = fn(() => {
+        done(new Error("should not be called"));
+      }, 1);
+      fn(() => {
+        done();
+      }, 2);
+      timer.unref();
+      if (fn !== setImmediate) clearTimeout(timer);
+    });
+  });
+}