1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/credential-management/support/otpcredential-iframe.html b/testing/web-platform/tests/credential-management/support/otpcredential-iframe.html
new file mode 100644
index 0000000000..4affc00ecd
--- /dev/null
+++ b/testing/web-platform/tests/credential-management/support/otpcredential-iframe.html
@@ -0,0 +1,26 @@
+<!doctype html>
+<script type="module">
+import {Status, expectOTPRequest} from './otpcredential-helper.js';
+
+// Loading otpcredential-iframe.html in the test will make an OTPCredentials
+// call on load, and trigger a postMessage upon completion.
+//
+// message {
+//   string result: "Pass" | "Fail"
+//   string code: credentials.code
+//   string errorType: error.name
+// }
+
+window.onload = async () => {
+  try {
+    await expectOTPRequest().andReturn(
+        () => ({status: Status.SUCCESS, otp: "ABC123"}));
+    const credentials =
+        await navigator.credentials.get({otp: {transport: ["sms"]}});
+    window.parent.postMessage({result: "Pass", code: credentials.code}, '*');
+  } catch (error) {
+    window.parent.postMessage({result: "Fail", errorType: error.name}, '*');
+  }
+}
+
+</script>