test: add implicit test for fs dispose handling with using

Author: IlyasShabi

test/parallel/test-fs-promises-file-handle-dispose.js

@@ -22,5 +22,26 @@ async function explicitCall() {
   assert.throws(() => dhSync.readSync(), { code: 'ERR_DIR_CLOSED' });
 }
 
+async function implicitCall() {
+  {
+    await using fh = await fs.open(__filename);
+    fh.on('close', common.mustCall());
+  }
+
+  let dh;
+  {
+    await using dirHandle = await fs.opendir(__dirname);
+    dh = dirHandle;
+  }
+  await assert.rejects(dh.read(), { code: 'ERR_DIR_CLOSED' });
+
+  let dhSync;
+  {
+    using dirHandleSync = opendirSync(__dirname);
+    dhSync = dirHandleSync;
+  }
+  assert.throws(() => dhSync.readSync(), { code: 'ERR_DIR_CLOSED' });
+}
+
 explicitCall().then(common.mustCall());
-// TODO(aduh95): add test for implicit calls, with `await using` syntax.
+implicitCall().then(common.mustCall());