1 files changed, 26 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-http-outgoing-buffer.js b/cli/tests/node_compat/test/parallel/test-http-outgoing-buffer.js
new file mode 100644
index 000000000..87e46c017
--- /dev/null
+++ b/cli/tests/node_compat/test/parallel/test-http-outgoing-buffer.js
@@ -0,0 +1,26 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+// Flags: --expose-internals
+'use strict';
+require('../common');
+const assert = require('assert');
+const { getDefaultHighWaterMark } = require('internal/streams/state');
+
+const http = require('http');
+const OutgoingMessage = http.OutgoingMessage;
+
+const msg = new OutgoingMessage();
+msg._implicitHeader = function() {};
+
+// Writes should be buffered until highwatermark
+// even when no socket is assigned.
+
+assert.strictEqual(msg.write('asd'), true);
+while (msg.write('asd'));
+const highwatermark = msg.writableHighWaterMark || getDefaultHighWaterMark();
+assert(msg.outputSize >= highwatermark);