1 files changed, 23 insertions, 0 deletions
diff --git a/testing/web-platform/tests/resource-timing/iframe-non-html.html b/testing/web-platform/tests/resource-timing/iframe-non-html.html
new file mode 100644
index 0000000000..a5df3b0348
--- /dev/null
+++ b/testing/web-platform/tests/resource-timing/iframe-non-html.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Test the sequence of events when reporting iframe timing.</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/resource-loaders.js"></script>
+<body>
+<script>
+    function test(href, type) {
+        promise_test(async t => {
+            await load.iframe(href);
+            const entries = performance.getEntriesByType('resource').filter(({name}) => name.includes(href));
+            assert_equals(entries.length, 1);
+            assert_equals(entries[0].initiatorType, 'iframe');
+        }, `Iframes should report resource timing for ${type} iframes`);
+    }
+
+    test('/common/square.png', 'image');
+    test('/common/dummy.xhtml', 'xhtml');
+    test('/common/dummy.xml', 'xml');
+    test('/common/text-plain.txt', 'text');
+</script>
+</body>
+\ No newline at end of file