test: add arrayOfStreams to pipeline

rickyes · addaleax · commit 2f67e99a0b63 · 2020-09-28T10:59:41.000+02:00
PR-URL: #34156 Backport-PR-URL: #35388 Reviewed-By: Robert Nagy <ronagy@icloud.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
diff --git a/test/parallel/test-stream-pipeline.js b/test/parallel/test-stream-pipeline.js
@@ -518,3 +518,23 @@ const { promisify } = require('util');
     }).on('error', common.mustNotCall());
   });
 }
+
+{
+  const r = new Readable({
+    read() {}
+  });
+  r.push('hello');
+  r.push('world');
+  r.push(null);
+  let res = '';
+  const w = new Writable({
+    write(chunk, encoding, callback) {
+      res += chunk;
+      callback();
+    }
+  });
+  pipeline([r, w], common.mustCall((err) => {
+    assert.ok(!err);
+    assert.strictEqual(res, 'helloworld');
+  }));
+}
