1 files changed, 32 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/api/response/response-clone-iframe.window.js b/testing/web-platform/tests/fetch/api/response/response-clone-iframe.window.js
new file mode 100644
index 0000000000..da54616c37
--- /dev/null
+++ b/testing/web-platform/tests/fetch/api/response/response-clone-iframe.window.js
@@ -0,0 +1,32 @@
+// Verify that calling Response clone() in a detached iframe doesn't crash.
+// Regression test for https://crbug.com/1082688.
+
+'use strict';
+
+promise_test(async () => {
+  // Wait for the document body to be available.
+  await new Promise(resolve => {
+    onload = resolve;
+  });
+
+  window.iframe = document.createElement('iframe');
+  document.body.appendChild(iframe);
+  iframe.srcdoc = `<!doctype html>
+<script>
+const response = new Response('body');
+window.parent.postMessage('okay', '*');
+window.parent.iframe.remove();
+response.clone();
+</script>
+`;
+
+  await new Promise(resolve => {
+    onmessage = evt => {
+      if (evt.data === 'okay') {
+        resolve();
+      }
+    };
+  });
+
+  // If it got here without crashing, the test passed.
+}, 'clone within removed iframe should not crash');