From e75a36f62db9ca3a7d0d8957e555a2460707b617 Mon Sep 17 00:00:00 2001
From: Anne van Kesteren <annevk@annevk.nl>
Date: Wed, 22 Feb 2023 17:32:44 +0100
Subject: [PATCH] URL: URLSearchParams's size

For https://github.com/whatwg/url/pull/734.
---
 url/urlsearchparams-size.any.js | 34 +++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 url/urlsearchparams-size.any.js

diff --git a/url/urlsearchparams-size.any.js b/url/urlsearchparams-size.any.js
new file mode 100644
index 00000000000000..eaf6d5e69b5fac
--- /dev/null
+++ b/url/urlsearchparams-size.any.js
@@ -0,0 +1,34 @@
+test(() => {
+  const params = new URLSearchParams("a=1&b=2&a=3");
+  assert_equals(params.size, 3);
+
+  params.delete("a");
+  assert_equals(params.size, 1);
+}, "URLSearchParams's size and deletion");
+
+test(() => {
+  const params = new URLSearchParams("a=1&b=2&a=3");
+  assert_equals(params.size, 3);
+
+  params.append("b", "4");
+  assert_equals(params.size, 4);
+}, "URLSearchParams's size and addition");
+
+test(() => {
+  const url = new URL("http://localhost/query?a=1&b=2&a=3");
+  assert_equals(url.searchParams.size, 3);
+
+  params.delete("a");
+  assert_equals(url.searchParams.size, 1);
+
+  params.append("b", 4);
+  assert_equals(url.searchParams.size, 2);
+}, "URLSearchParams's size when obtained from a URL");
+
+test(() => {
+  const url = new URL("http://localhost/query?a=1&b=2&a=3");
+  assert_equals(url.searchParams.size, 3);
+
+  url.search = "?";
+  assert_equals(url.searchParams.size, 0);
+}, "URLSearchParams's size when obtained from a URL and using .search");