1 files changed, 16 insertions, 1 deletions
diff --git a/tests/unit_node/timers_test.ts b/tests/unit_node/timers_test.ts
index c0b49c998..5a7668be7 100644
--- a/tests/unit_node/timers_test.ts
+++ b/tests/unit_node/timers_test.ts
@@ -30,7 +30,7 @@ Deno.test("[node/timers setInterval]", () => {
   }
 });
 
-Deno.test("[node/timers setImmediate]", () => {
+Deno.test("[node/timers setImmediate]", async () => {
   {
     const { clearImmediate, setImmediate } = timers;
     const imm = setImmediate(() => {});
@@ -41,6 +41,21 @@ Deno.test("[node/timers setImmediate]", () => {
     const imm = timers.setImmediate(() => {});
     timers.clearImmediate(imm);
   }
+
+  {
+    const deffered = Promise.withResolvers<void>();
+    const imm = timers.setImmediate(
+      (a, b) => {
+        assert(a === 1);
+        assert(b === 2);
+        deffered.resolve();
+      },
+      1,
+      2,
+    );
+    await deffered;
+    timers.clearImmediate(imm);
+  }
 });
 
 Deno.test("[node/timers/promises setTimeout]", () => {