1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/long-animation-frame/tentative/loaf-stream-source-location.html b/testing/web-platform/tests/long-animation-frame/tentative/loaf-stream-source-location.html
new file mode 100644
index 0000000000..0fd30859d7
--- /dev/null
+++ b/testing/web-platform/tests/long-animation-frame/tentative/loaf-stream-source-location.html
@@ -0,0 +1,26 @@
+<!DOCTYPE HTML>
+<meta charset=utf-8>
+<title>Long Animation Frame Timing: source location extraction for streams</title>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/utils.js"></script>
+
+<body>
+<h1>Long Animation Frame: source location extraction for streams</h1>
+<div id="log"></div>
+<script>
+
+promise_test(async t => {
+  const scriptLocation = new URL("resources/stream-promise-generates-loaf.js", location.href);
+  const [entry, script] = await expect_long_frame_with_script(() => {
+    const scriptElement = document.createElement("script");
+    scriptElement.src = scriptLocation;
+    document.body.appendChild(scriptElement);
+  }, script => script.invoker === "StreamPromise.resolve.then", t);
+
+  assert_true(script.sourceURL.includes("stream-promise-generates-loaf.js"));
+}, "Source location should be extracted for stream promises");
+
+</script>
+</body>