From 04c627467c87ba0ffc87efab2cd0b38ac720757d Mon Sep 17 00:00:00 2001
From: Meghan Denny <meghan@bun.sh>
Date: Thu, 6 Mar 2025 22:07:09 -0800
Subject: [PATCH] node: add test-webstream-encoding-inspect.js

---
 .../test-webstream-encoding-inspect.js        | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 test/js/node/test/parallel/test-webstream-encoding-inspect.js

diff --git a/test/js/node/test/parallel/test-webstream-encoding-inspect.js b/test/js/node/test/parallel/test-webstream-encoding-inspect.js
new file mode 100644
index 0000000000..69c947ebc6
--- /dev/null
+++ b/test/js/node/test/parallel/test-webstream-encoding-inspect.js
@@ -0,0 +1,35 @@
+'use strict';
+
+require('../common');
+
+const { TextEncoderStream, TextDecoderStream } = require('stream/web');
+const util = require('util');
+const assert = require('assert');
+
+const textEncoderStream = new TextEncoderStream();
+assert.strictEqual(
+  util.inspect(textEncoderStream),
+  `TextEncoderStream {
+  encoding: 'utf-8',
+  readable: ReadableStream { locked: false, state: 'readable', supportsBYOB: false },
+  writable: WritableStream { locked: false, state: 'writable' }
+}`
+);
+assert.throws(() => textEncoderStream[util.inspect.custom].call(), {
+  code: 'ERR_INVALID_THIS',
+});
+
+const textDecoderStream = new TextDecoderStream();
+assert.strictEqual(
+  util.inspect(textDecoderStream),
+  `TextDecoderStream {
+  encoding: 'utf-8',
+  fatal: false,
+  ignoreBOM: false,
+  readable: ReadableStream { locked: false, state: 'readable', supportsBYOB: false },
+  writable: WritableStream { locked: false, state: 'writable' }
+}`
+);
+assert.throws(() => textDecoderStream[util.inspect.custom].call(), {
+  code: 'ERR_INVALID_THIS',
+});