1 files changed, 17 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webusb/resources/usb-disabled-by-permissions-policy-worker.js b/testing/web-platform/tests/webusb/resources/usb-disabled-by-permissions-policy-worker.js
new file mode 100644
index 0000000000..caf2727cd1
--- /dev/null
+++ b/testing/web-platform/tests/webusb/resources/usb-disabled-by-permissions-policy-worker.js
@@ -0,0 +1,17 @@
+'use strict';
+
+importScripts('/resources/testharness.js');
+
+const header = 'Permissions-Policy header usb=()';
+let workerType;
+
+if (typeof postMessage === 'function') {
+  workerType = 'dedicated';
+}
+
+promise_test(() => navigator.usb.getDevices().then(
+        () => assert_unreached('expected promise to reject with SecurityError'),
+        error => assert_equals(error.name, 'SecurityError')),
+    `Inherited ${header} disallows ${workerType} workers.`);
+
+done();