1 files changed, 36 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webauthn/createcredential-minpinlength.https.html b/testing/web-platform/tests/webauthn/createcredential-minpinlength.https.html
new file mode 100644
index 0000000000..a92898c848
--- /dev/null
+++ b/testing/web-platform/tests/webauthn/createcredential-minpinlength.https.html
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>navigator.credentials.create() largeBlob extension tests with authenticator support</title>
+<meta name="timeout" content="long">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/testdriver.js"></script>
+<script src="/resources/testdriver-vendor.js"></script>
+<script src=helpers.js></script>
+<body></body>
+<script>
+standardSetup(function() {
+  "use strict";
+
+  promise_test(async t => {
+    const credential = await createCredential({
+      options: {
+        publicKey: {
+          extensions: {
+            minPinLength: true,
+          },
+        },
+      },
+    });
+    // The extension results will be in the authenticator outputs.
+    assert_true(new Uint8Array(credential.response.getAuthenticatorData())
+                    .toString()
+                    .includes(new TextEncoder()
+                                  .encode("minPinLength")
+                                  .toString()));
+  }, "navigator.credentials.create() with minPinLength requested");
+}, {
+  protocol: "ctap2_1",
+  extensions: ["minPinLength"],
+});
+</script>