test: improve test coverage for fs module

leomoreno · MylesBorins · commit 8e7a12f4500c · 2018-10-30T04:43:30.000-04:00
Covering the case when fs-read get invalid argument for file handle PR-URL: #23601 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
diff --git a/test/parallel/test-fs-read.js b/test/parallel/test-fs-read.js
@@ -68,3 +68,11 @@ test(new Uint8Array(expected.length),
     assert.strictEqual(nRead, 0);
   }));
 }
+
+assert.throws(
+  () => fs.read(null, Buffer.alloc(1), 0, 1, 0),
+  {
+    message: 'The "fd" argument must be of type number. Received type object',
+    code: 'ERR_INVALID_ARG_TYPE',
+  }
+);
