child_process: support Uint8Array input to methods

Support `Uint8Array` input to all the synchronous methods.

PR-URL: https://github.com/nodejs/node/pull/10653
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michal Zasso <targos@protonmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/test/parallel/test-child-process-spawnsync-input.js b/test/parallel/test-child-process-spawnsync-input.js
index fdd29aa7d0..8c0464facd 100644
--- a/test/parallel/test-child-process-spawnsync-input.js
+++ b/test/parallel/test-child-process-spawnsync-input.js
@@ -57,7 +57,7 @@ var options = {
 
 assert.throws(function() {
   spawnSync('cat', [], options);
-}, /TypeError:.*should be Buffer or string not number/);
+}, /TypeError:.*should be Buffer, Uint8Array or string not number/);
 
 
 options = {
@@ -80,6 +80,16 @@ checkSpawnSyncRet(ret);
 assert.deepStrictEqual(ret.stdout, options.input);
 assert.deepStrictEqual(ret.stderr, Buffer.from(''));
 
+options = {
+  input: Uint8Array.from(Buffer.from('hello world'))
+};
+
+ret = spawnSync('cat', [], options);
+
+checkSpawnSyncRet(ret);
+assert.deepStrictEqual(ret.stdout, options.input);
+assert.deepStrictEqual(ret.stderr, Buffer.from(''));
+
 verifyBufOutput(spawnSync(process.execPath, args));
 
 ret = spawnSync(process.execPath, args, { encoding: 'utf8' });