test: add regression test for serdes readDouble()

cjihrig · targos · commit aa0d8146e9ab · 2021-05-01T12:31:18.000+02:00
Refs: #37978 PR-URL: #38121 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com>
diff --git a/test/parallel/test-v8-serdes.js b/test/parallel/test-v8-serdes.js
@@ -236,3 +236,10 @@ const hostObject = new (internalBinding('js_stream').JSStream)();
     /^TypeError: buffer must be a TypedArray or a DataView$/,
   );
 }
+
+{
+  // Regression test for https://github.com/nodejs/node/issues/37978
+  assert.throws(() => {
+    new v8.Deserializer(new v8.Serializer().releaseBuffer()).readDouble();
+  }, /ReadDouble\(\) failed/);
+}
