1 files changed, 90 insertions, 0 deletions
diff --git a/tests/unit_node/_fs/_fs_fstat_test.ts b/tests/unit_node/_fs/_fs_fstat_test.ts
new file mode 100644
index 000000000..d15ef5a80
--- /dev/null
+++ b/tests/unit_node/_fs/_fs_fstat_test.ts
@@ -0,0 +1,90 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+import { fstat, fstatSync } from "node:fs";
+import { fail } from "@test_util/std/assert/mod.ts";
+import { assertStats, assertStatsBigInt } from "./_fs_stat_test.ts";
+import type { BigIntStats, Stats } from "node:fs";
+
+Deno.test({
+  name: "ASYNC: get a file Stats",
+  async fn() {
+    const filePath = await Deno.makeTempFile();
+    using file = await Deno.open(filePath);
+
+    await new Promise<Stats>((resolve, reject) => {
+      fstat(file.rid, (err: Error | null, stat: Stats) => {
+        if (err) reject(err);
+        resolve(stat);
+      });
+    })
+      .then(
+        (stat) => {
+          assertStats(stat, file.statSync());
+        },
+        () => fail(),
+      )
+      .finally(() => {
+        Deno.removeSync(filePath);
+      });
+  },
+});
+
+Deno.test({
+  name: "ASYNC: get a file BigInt Stats",
+  async fn() {
+    const filePath = await Deno.makeTempFile();
+    using file = await Deno.open(filePath);
+
+    await new Promise<BigIntStats>((resolve, reject) => {
+      fstat(
+        file.rid,
+        { bigint: true },
+        (err: Error | null, stat: BigIntStats) => {
+          if (err) reject(err);
+          resolve(stat);
+        },
+      );
+    })
+      .then(
+        (stat) => assertStatsBigInt(stat, file.statSync()),
+        () => fail(),
+      )
+      .finally(() => {
+        Deno.removeSync(filePath);
+      });
+  },
+});
+
+Deno.test({
+  name: "SYNC: get a file Stats",
+  fn() {
+    const filePath = Deno.makeTempFileSync();
+    using file = Deno.openSync(filePath);
+
+    try {
+      assertStats(fstatSync(file.rid), file.statSync());
+    } finally {
+      Deno.removeSync(filePath);
+    }
+  },
+});
+
+Deno.test({
+  name: "SYNC: get a file BigInt Stats",
+  fn() {
+    const filePath = Deno.makeTempFileSync();
+    using file = Deno.openSync(filePath);
+
+    try {
+      // HEAD
+      assertStatsBigInt(fstatSync(file.rid, { bigint: true }), file.statSync());
+      //
+      assertStatsBigInt(
+        fstatSync(file.rid, { bigint: true }),
+        Deno.fstatSync(file.rid),
+      );
+      //main
+    } finally {
+      Deno.removeSync(filePath);
+    }
+  },
+});