fs: validate fd on fs.write

PR-URL: #1553
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/test/parallel/test-fs-write-no-fd.js b/test/parallel/test-fs-write-no-fd.js
new file mode 100644
index 0000000000..143928e783
--- /dev/null
+++ b/test/parallel/test-fs-write-no-fd.js
@@ -0,0 +1,11 @@
+const common = require('../common');
+const fs = require('fs');
+const assert = require('assert');
+
+assert.throws(function() {
+  fs.write(null, new Buffer(1), 0, 1);
+}, /TypeError/);
+
+assert.throws(function() {
+  fs.write(null, '1', 0, 1);
+}, /TypeError/);