From 0482ec4b3f543cfab0d806bade12281b7ca51bb3 Mon Sep 17 00:00:00 2001
From: Carl Lei <xecycle@gmail.com>
Date: Tue, 3 Nov 2015 09:52:46 +0800
Subject: [PATCH] test: numeric flags to fs.open

This has been supperted for long but never tested nor documented.

PR-URL: https://github.com/nodejs/node/pull/3641
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 test/parallel/test-fs-open-numeric-flags.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 test/parallel/test-fs-open-numeric-flags.js

diff --git a/test/parallel/test-fs-open-numeric-flags.js b/test/parallel/test-fs-open-numeric-flags.js
new file mode 100644
index 00000000000000..d3bd42227c2a53
--- /dev/null
+++ b/test/parallel/test-fs-open-numeric-flags.js
@@ -0,0 +1,16 @@
+'use strict';
+const common = require('../common');
+
+const constants = require('constants');
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+
+common.refreshTmpDir();
+
+// O_WRONLY without O_CREAT shall fail with ENOENT
+const pathNE = path.join(common.tmpDir, 'file-should-not-exist');
+assert.throws(
+  () => fs.openSync(pathNE, constants.O_WRONLY),
+  (e) => e.code === 'ENOENT'
+);