stream: use readableObjectMode public api for js stream

PR-URL: https://github.com/nodejs/node/pull/27655
Refs: https://github.com/nodejs/node/issues/445
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/test/parallel/test-stream2-basic.js b/test/parallel/test-stream2-basic.js
index 682a033899..fa1443fd2a 100644
--- a/test/parallel/test-stream2-basic.js
+++ b/test/parallel/test-stream2-basic.js
@@ -23,6 +23,7 @@
 
 const common = require('../common');
 const R = require('_stream_readable');
+const W = require('_stream_writable');
 const assert = require('assert');
 
 const EE = require('events').EventEmitter;
@@ -420,3 +421,15 @@ class TestWriter extends EE {
   const r2 = r.setEncoding('utf8').pause().resume().pause();
   assert.strictEqual(r, r2);
 }
+
+{
+  // Verify readableObjectMode property
+  const r = new R({ objectMode: true });
+  assert.strictEqual(r.readableObjectMode, true);
+}
+
+{
+  // Verify writableObjectMode property
+  const w = new W({ objectMode: true });
+  assert.strictEqual(w.writableObjectMode, true);
+}