1 files changed, 71 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webauthn/getcredential-attachment.https.html b/testing/web-platform/tests/webauthn/getcredential-attachment.https.html
new file mode 100644
index 0000000000..7ab7235af5
--- /dev/null
+++ b/testing/web-platform/tests/webauthn/getcredential-attachment.https.html
@@ -0,0 +1,71 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<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>
+    "use strict";
+    // usb transport
+    virtualAuthenticatorPromiseTest(async function() {
+        const assertion = await navigator.credentials.get({publicKey: {
+            challenge: new Uint8Array(),
+            allowCredentials: [{
+                id: (await createCredential()).rawId,
+                type: "public-key",
+            }],
+        }});
+        assert_equals(assertion.authenticatorAttachment, "cross-platform");
+    }, {
+        protocol: "ctap2",
+        transport: "usb"
+    }, "navigator.credentials.get() with usb authenticator, attachment as cross-platform");
+
+    // ble transport
+    virtualAuthenticatorPromiseTest(async function() {
+        const assertion = await navigator.credentials.get({publicKey: {
+            challenge: new Uint8Array(),
+            allowCredentials: [{
+                id: (await createCredential()).rawId,
+                type: "public-key",
+            }],
+        }});
+        assert_equals(assertion.authenticatorAttachment, "cross-platform");
+    }, {
+        protocol: "ctap2",
+        transport: "ble"
+    }, "navigator.credentials.get() with ble authenticator, attachment as cross-platform");
+
+    // nfc transport
+    virtualAuthenticatorPromiseTest(async function() {
+        const assertion = await navigator.credentials.get({publicKey: {
+            challenge: new Uint8Array(),
+            allowCredentials: [{
+                id: (await createCredential()).rawId,
+                type: "public-key",
+            }],
+        }});
+        assert_equals(assertion.authenticatorAttachment, "cross-platform");
+    }, {
+        protocol: "ctap2",
+        transport: "nfc"
+    }, "navigator.credentials.get() with nfc authenticator, attachment as cross-platform");
+
+    // internal transport
+    virtualAuthenticatorPromiseTest(async function() {
+        const assertion = await navigator.credentials.get({publicKey: {
+            challenge: new Uint8Array(),
+            allowCredentials: [{
+                id: (await createCredential()).rawId,
+                type: "public-key",
+            }],
+        }});
+        assert_equals(assertion.authenticatorAttachment, "platform");
+    }, {
+        protocol: "ctap2",
+        transport: "internal"
+    }, "navigator.credentials.get() with internal authenticator, attachment as platform");
+</script>