From bf1727a3f3a09f6ae3189af61e75ade82cfa0b24 Mon Sep 17 00:00:00 2001
From: Robert Nagy <ronagy@icloud.com>
Date: Sat, 28 Sep 2019 09:48:33 +0200
Subject: [PATCH] test: add test for writable.write() argument types

PR-URL: https://github.com/nodejs/node/pull/29746
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
---
 .../test-stream-writable-invalid-chunk.js     | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 test/parallel/test-stream-writable-invalid-chunk.js

diff --git a/test/parallel/test-stream-writable-invalid-chunk.js b/test/parallel/test-stream-writable-invalid-chunk.js
new file mode 100644
index 00000000000000..09ee5877c8d00c
--- /dev/null
+++ b/test/parallel/test-stream-writable-invalid-chunk.js
@@ -0,0 +1,35 @@
+'use strict';
+
+const common = require('../common');
+const stream = require('stream');
+
+function testWriteType(val, objectMode, code) {
+  const writable = new stream.Writable({
+    objectMode,
+    write: () => {}
+  });
+  if (!code) {
+    writable.on('error', common.mustNotCall());
+  } else {
+    writable.on('error', common.expectsError({
+      code: code,
+    }));
+  }
+  writable.write(val);
+}
+
+testWriteType([], false, 'ERR_INVALID_ARG_TYPE');
+testWriteType({}, false, 'ERR_INVALID_ARG_TYPE');
+testWriteType(0, false, 'ERR_INVALID_ARG_TYPE');
+testWriteType(true, false, 'ERR_INVALID_ARG_TYPE');
+testWriteType(0.0, false, 'ERR_INVALID_ARG_TYPE');
+testWriteType(undefined, false, 'ERR_INVALID_ARG_TYPE');
+testWriteType(null, false, 'ERR_STREAM_NULL_VALUES');
+
+testWriteType([], true);
+testWriteType({}, true);
+testWriteType(0, true);
+testWriteType(true, true);
+testWriteType(0.0, true);
+testWriteType(undefined, true);
+testWriteType(null, true, 'ERR_STREAM_NULL_VALUES');