1 files changed, 8 insertions, 0 deletions
diff --git a/testing/web-platform/tests/largest-contentful-paint/resources/lcp-sw-from-cache.js b/testing/web-platform/tests/largest-contentful-paint/resources/lcp-sw-from-cache.js
new file mode 100644
index 0000000000..c650a0b747
--- /dev/null
+++ b/testing/web-platform/tests/largest-contentful-paint/resources/lcp-sw-from-cache.js
@@ -0,0 +1,8 @@
+self.addEventListener("fetch", e => {
+    if (e.request.url.endsWith('green.svg')) {
+        e.respondWith(new Response(`<svg xmlns="http://www.w3.org/2000/svg" width="100" height="50">
+        <rect fill="lime" width="100" height="50"/>
+        </svg>
+        `, { headers: { 'Content-Type': 'image/svg+xml' } }));
+    }
+});