From b24021b205cabf63b59bf83b020e65859ccf9479 Mon Sep 17 00:00:00 2001
From: Jack <jackcipehr.vip@gmail.com>
Date: Mon, 16 Jun 2025 18:44:33 +0800
Subject: [PATCH] Fix Cookie Clone Issue in Client.Clone()

---
 client.go      | 2 +-
 client_test.go | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/client.go b/client.go
index ec6141f8..cde0e6f9 100644
--- a/client.go
+++ b/client.go
@@ -2208,7 +2208,7 @@ func (c *Client) Clone(ctx context.Context) *Client {
 	}
 	// clone cookies
 	if l := len(c.cookies); l > 0 {
-		cc.cookies = make([]*http.Cookie, l)
+		cc.cookies = make([]*http.Cookie, 0, l)
 		for _, cookie := range c.cookies {
 			cc.cookies = append(cc.cookies, cloneCookie(cookie))
 		}
diff --git a/client_test.go b/client_test.go
index 8a5eef50..44709a3b 100644
--- a/client_test.go
+++ b/client_test.go
@@ -1348,6 +1348,15 @@ func TestClientClone(t *testing.T) {
 
 	// assert interface/pointer type
 	assertEqual(t, parent.Client(), clone.Client())
+
+	// assert cookies
+	parentCookies := parent.Cookies()
+	cloneCookies := clone.Cookies()
+	assertEqual(t, len(parentCookies), len(cloneCookies))
+	for i := range parentCookies {
+		assertEqual(t, parentCookies[i].Name, cloneCookies[i].Name)
+		assertEqual(t, parentCookies[i].Value, cloneCookies[i].Value)
+	}
 }
 
 func TestResponseBodyLimit(t *testing.T) {