bluetooth: Invalidate characteristics when disconnecting

third_party/WebKit/LayoutTests/bluetooth/script-tests/characteristic-disconnect-invalidates-objects.js

+'use strict';
+promise_test(() => {
+  return setBluetoothFakeAdapter('DisconnectingHealthThermometerAdapter')
+    .then(() => requestDeviceWithKeyDown({
+      filters: [{services: ['health_thermometer']}],
+      optionalServices: [request_disconnection_service_uuid]}))
+    .then(device => device.gatt.connect())
+    .then(gattServer => {
+      return gattServer.getPrimaryService('health_thermometer')
+        .then(service => service.CALLS([
+          getCharacteristic('measurement_interval')|
+          getCharacteristics()|
+          getCharacteristics('measurement_interval')[UUID]]))
+        .then(c => {
+          // Convert to array if necessary.
+          let characteristics = [].concat(c);
+          gattServer.disconnect();
+          return gattServer.connect()
+            .then(() => characteristics);
+        });
+    })
+    .then(characteristics => {
+      let promises = Promise.resolve();
+      for (let characteristic of characteristics) {
+        let error = new DOMException(
+          'Characteristic is no longer valid. Remember to retrieve the ' +
+          'characteristic again after reconnecting.',
+          'InvalidStateError');
+        promises = promises.then(() =>
+          assert_promise_rejects_with_message(
+            characteristic.readValue(),
+            error));
+        promises = promises.then(() =>
+          assert_promise_rejects_with_message(
+            characteristic.writeValue(new Uint8Array([1])),
+            error));
+        promises = promises.then(() =>
+          assert_promise_rejects_with_message(
+            characteristic.startNotifications(),
+            error));
+        promises = promises.then(() =>
+          assert_promise_rejects_with_message(
+            characteristic.stopNotifications(),
+            error));
+      }
+      return promises;
+    });
+}, 'Calls on characteristics after we disconnects and connect again. ' +
+   'Should reject with InvalidStateError.');