1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webusb/usbDevice-same-objecct.https.any.js b/testing/web-platform/tests/webusb/usbDevice-same-objecct.https.any.js
new file mode 100644
index 0000000000..088b4a258a
--- /dev/null
+++ b/testing/web-platform/tests/webusb/usbDevice-same-objecct.https.any.js
@@ -0,0 +1,26 @@
+// META: script=/resources/test-only-api.js
+// META: script=/webusb/resources/fake-devices.js
+// META: script=/webusb/resources/usb-helpers.js
+'use strict';
+
+usb_test(async () => {
+  const {device} = await getFakeDevice();
+  await device.open();
+
+  for (const configuration of device.configurations) {
+    await device.selectConfiguration(configuration.configurationValue);
+    assert_equals(device.configuration, configuration);
+
+    for (const interfaceObj of configuration.interfaces) {
+      await device.claimInterface(interfaceObj.interfaceNumber);
+
+      for (const alternate of interfaceObj.alternates) {
+        await device.selectAlternateInterface(
+            interfaceObj.interfaceNumber, alternate.alternateSetting);
+        assert_equals(interfaceObj.alternate, alternate);
+      }
+      await device.releaseInterface(interfaceObj.interfaceNumber);
+    }
+  }
+  await device.close();
+}, '[SameObject] test for instances within USBDevice.');