test: add test for child_process benchmark

PR-URL: https://github.com/nodejs/node/pull/12326
Ref: https://github.com/nodejs/node/issues/12068
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/test/sequential/test-benchmark-child-process.js b/test/sequential/test-benchmark-child-process.js
new file mode 100644
index 0000000000..4acad7d0f7
--- /dev/null
+++ b/test/sequential/test-benchmark-child-process.js
@@ -0,0 +1,19 @@
+'use strict';
+
+require('../common');
+
+const assert = require('assert');
+const fork = require('child_process').fork;
+const path = require('path');
+
+const runjs = path.join(__dirname, '..', '..', 'benchmark', 'run.js');
+
+const child = fork(runjs, ['--set', 'dur=0.1',
+                           '--set', 'n=1',
+                           '--set', 'len=1',
+                           'child_process'],
+                   {env: {NODEJS_BENCHMARK_ZERO_ALLOWED: 1}});
+child.on('exit', (code, signal) => {
+  assert.strictEqual(code, 0);
+  assert.strictEqual(signal, null);
+});