diff --git a/tests/index.test.ts b/tests/index.test.ts
index 7eec5c1..bef23c8 100644
--- a/tests/index.test.ts
+++ b/tests/index.test.ts
@@ -7,7 +7,7 @@ it('container queries', () => {
       {
         raw: html`
           <div
-            class="@container @container-normal @container/sidebar @container-normal/sidebar @container-[size]/sidebar"
+            class="@container @container-normal @container/sidebar @container-normal/sidebar @container-[size] @container-[size]/sidebar"
           >
             <div class="@md:underline"></div>
             <div class="@md/container1:underline"></div>
@@ -68,6 +68,10 @@ it('container queries', () => {
         container-name: sidebar;
       }
 
+      .\@container-\[size\] {
+        container-type: size;
+      }
+
       .\@container-\[size\]\/sidebar {
         container-type: size;
         container-name: sidebar;