bluetooth: Implement Service.getCharacteristics

third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-not-found.html

Index: third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-not-found.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-not-found.html b/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-not-found.html
new file mode 100644
index 0000000000000000000000000000000000000000..49bef877b2d7ef71d44286f15eb0befba4977077
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/characteristics-not-found.html
@@ -0,0 +1,17 @@
+<!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('MissingCharacteristicHeartRateAdapter');
+  return requestDeviceWithKeyDown({filters: [{services: ['heart_rate']}]})
+    .then(device => device.gatt.connect())
+    .then(gattServer => gattServer.getPrimaryService('heart_rate'))
+    .then(service => assert_promise_rejects_with_message(
+      service.getCharacteristics(),
+      new DOMException('No Characteristics found in service.',
+                       'NotFoundError')))
+}, 'Request for absent characteristics. Reject with NotFoundError.');
+</script>