Implement WebBluetooth descriptor.readValue()

third_party/WebKit/LayoutTests/bluetooth/script-tests/descriptor/io-op-reconnect-during-success.js

+promise_test(

[ortuno, 2017/01/20 04:30:53]

out of curiosity: Why are these no longer called gatt-op-*?

[dougt, 2017/01/23 21:40:36]

These are just going to be for read/write.  I figured gatt as correct for
characteristic because it does so much more than descriptor.

+    () => {
+      let val = new Uint8Array([1]);
+      return setBluetoothFakeAdapter(
+                 'GATTOperationSucceedsAfterReconnectionAdapter')
+          .then(
+              () => requestDeviceWithKeyDown(

[ortuno, 2017/01/20 04:30:53]

Same here. Move to previous line. Same for other tests.

[dougt, 2017/01/23 21:40:36]

Acknowledged.

+                  {filters: [{services: ['health_thermometer']}]}))
+          .then(device => device.gatt.connect())
+          .then(gatt => gatt.getPrimaryService('health_thermometer'))
+          .then(service => service.getCharacteristic('measurement_interval'))
+          .then(
+              characteristic => characteristic.getDescriptor(

[ortuno, 2017/01/20 04:30:53]

move to previous line. Same for other tests.

[dougt, 2017/01/23 21:40:36]

Acknowledged.

+                  'gatt.characteristic_user_description'))
+          .then(descriptor => {
+            let promise = assert_promise_rejects_with_message(
+                descriptor.CALLS([readValue()]),
+                new DOMException(
+                    'GATT Server disconnected while performing a GATT operation.',
+                    'NetworkError'));
+            let gatt = descriptor.characteristic.service.device.gatt;
+            gatt.disconnect();
+            return gatt.connect().then(() => promise);
+          });
+    },
+    'disconnect() and connect() called during a FUNCTION_NAME call that ' +

[ortuno, 2017/01/20 04:30:53]

nit: Move to previous line. Same for other tests.

[dougt, 2017/01/23 21:40:36]

Acknowledged.

+        'succeeds. Reject with NetworkError.');

[ortuno, 2017/01/20 04:30:53]

nit: align with ' from previous line. Same for other tests.

[dougt, 2017/01/23 21:40:36]

Acknowledged.