diff --git a/test/ecmascript/assert/URLSearchParams.html b/test/ecmascript/assert/URLSearchParams.html
new file mode 100644
index 000000000..3b12258f4
--- /dev/null
+++ b/test/ecmascript/assert/URLSearchParams.html
@@ -0,0 +1,10 @@
+<script>
+console.error("URLSearchParams.html");
+var param = new URLSearchParams('?foo=1&bar=2');
+console.assert(param.size === 2, 'size is 2');
+console.assert(param.has('foo'), 'foo');
+console.assert(param.has('bar', '2'), 'bar=2');
+console.assert(param.get('bar') === '2', 'bar = 2');
+console.assert(param.toString() === 'foo=1&bar=2', 'without ?');
+console.exit();
+</script>