bluetooth: Implement Service.getCharacteristics

third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-found.html

Index: third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-found.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-found.html b/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-found.html
new file mode 100644
index 0000000000000000000000000000000000000000..3ec8c3233c60d3ed6928fb36b71c989c828d3fd3
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-found.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<script src="../../resources/testharness.js"></script>
+<script src="../../resources/testharnessreport.js"></script>
+<script src="../resources/bluetooth-helpers.js"></script>
+<script>
+'use strict';
+promise_test(() => {
+  testRunner.setBluetoothMockDataSet('HeartRateAdapter');
+  return requestDeviceWithKeyDown({filters: [{services: ['heart_rate']}]})
+    .then(device => device.gatt.connect())
+    .then(gattServer => gattServer.getPrimaryService('heart_rate'))
+    .then(service => service.getCharacteristics())
+    .then(characteristics => {
+      assert_equals(characteristics.length, 3);
+      assert_equals(characteristics[0].uuid,
+                    BluetoothUUID.getCharacteristic('heart_rate_measurement'));
+      assert_equals(characteristics[1].uuid,
+                    BluetoothUUID.getCharacteristic('body_sensor_location'));
+      assert_equals(characteristics[2].uuid,
+                    BluetoothUUID.getCharacteristic('body_sensor_location'));
+    });
+}, 'Find all characteristics in a service.');
+</script>