From 2db26cb16559a64ba78ef01c3130c266d81373ef Mon Sep 17 00:00:00 2001
From: Rich Trott <rtrott@gmail.com>
Date: Wed, 10 Aug 2016 16:47:20 -0700
Subject: [PATCH] test: add test for debug usage message

PR-URL: https://github.com/nodejs/node/pull/8061
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: cjihrig - Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 test/parallel/test-debug-usage.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 test/parallel/test-debug-usage.js

diff --git a/test/parallel/test-debug-usage.js b/test/parallel/test-debug-usage.js
new file mode 100644
index 00000000000000..5406a82cc8d229
--- /dev/null
+++ b/test/parallel/test-debug-usage.js
@@ -0,0 +1,21 @@
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+const spawn = require('child_process').spawn;
+
+const child = spawn(process.execPath, ['debug']);
+child.stderr.setEncoding('utf8');
+
+const expectedUsageMessage = `Usage: node debug script.js
+       node debug <host>:<port>
+       node debug -p <pid>
+`;
+var actualUsageMessage = '';
+child.stderr.on('data', function(data) {
+  actualUsageMessage += data.toString();
+});
+
+child.on('exit', common.mustCall(function(code) {
+  assert.strictEqual(code, 1);
+  assert.strictEqual(actualUsageMessage, expectedUsageMessage);
+}));