From b67665ff97f0bdad91f876fc0a4f6089aabd2e80 Mon Sep 17 00:00:00 2001
From: Jithil P Ponnan <jithil@outlook.com>
Date: Thu, 18 May 2023 23:37:57 +1000
Subject: [PATCH] test: test streambase has already has a consumer

test: test streambase has already has a consumer
PR-URL: https://github.com/nodejs/node/pull/48059
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 ...st-whatwg-webstreams-adapters-streambase.js |  9 +++++++++
 ...streams-adapters-to-readablewritablepair.js |  6 ++++++
 ...atwg-webstreams-adapters-to-streamduplex.js | 18 ++++++++++++++++++
 3 files changed, 33 insertions(+)

diff --git a/test/parallel/test-whatwg-webstreams-adapters-streambase.js b/test/parallel/test-whatwg-webstreams-adapters-streambase.js
index 43d28f0499dc7d..bd864ab8c14195 100644
--- a/test/parallel/test-whatwg-webstreams-adapters-streambase.js
+++ b/test/parallel/test-whatwg-webstreams-adapters-streambase.js
@@ -65,3 +65,12 @@ const {
   const readable = newReadableStreamFromStreamBase(stream);
   readable.cancel().then(common.mustCall());
 }
+
+{
+  const stream = new JSStream();
+  stream.onread = common.mustCall();
+  assert.throws(() => newReadableStreamFromStreamBase(stream), {
+    code: 'ERR_INVALID_STATE'
+  });
+  stream.emitEOF();
+}
diff --git a/test/parallel/test-whatwg-webstreams-adapters-to-readablewritablepair.js b/test/parallel/test-whatwg-webstreams-adapters-to-readablewritablepair.js
index 83d21247a49265..5062b9e179ac1e 100644
--- a/test/parallel/test-whatwg-webstreams-adapters-to-readablewritablepair.js
+++ b/test/parallel/test-whatwg-webstreams-adapters-to-readablewritablepair.js
@@ -248,3 +248,9 @@ const {
   reader.closed.then(common.mustCall());
   writer.close().then(common.mustCall());
 }
+
+{
+  assert.throws(() => newReadableWritablePairFromDuplex(null), {
+    code: 'ERR_INVALID_ARG_TYPE'
+  });
+}
diff --git a/test/parallel/test-whatwg-webstreams-adapters-to-streamduplex.js b/test/parallel/test-whatwg-webstreams-adapters-to-streamduplex.js
index 15ac9f832714e9..9c92a4778a00fd 100644
--- a/test/parallel/test-whatwg-webstreams-adapters-to-streamduplex.js
+++ b/test/parallel/test-whatwg-webstreams-adapters-to-streamduplex.js
@@ -164,3 +164,21 @@ const {
 
   duplex.end();
 }
+
+{
+  const transform = { readable: {}, writable: {} };
+  assert.throws(() => newStreamDuplexFromReadableWritablePair(transform), {
+    code: 'ERR_INVALID_ARG_TYPE'
+  });
+}
+
+{
+  const transform = {
+    readable: new ReadableStream(),
+    writable: null
+  };
+
+  assert.throws(() => newStreamDuplexFromReadableWritablePair(transform), {
+    code: 'ERR_INVALID_ARG_TYPE',
+  });
+}