Additional service tests

runtime/observatory/tests/service/step_through_setter_test.dart

+// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'test_helper.dart';
+import 'service_test_common.dart';
+
+const int LINE = 11;
+const String file = "step_through_setter_test.dart";
+
+code() {
+  Bar bar = new Bar();
+  bar.barXYZ = 42;
+  fooXYZ = 42;
+}
+
+int _xyz = -1;
+
+set fooXYZ(int i) {
+  _xyz = i - 1;
+}
+
+class Bar {
+  int _xyz = -1;
+
+  set barXYZ(int i) {
+    _xyz = i - 1;
+  }
+
+  get barXYZ => _xyz + 1;
+}
+
+List<String> stops = [];
+List<String> expected = [
+  "$file:${LINE+0}:5", // after 'code'
+  "$file:${LINE+1}:17", // on 'Bar'
+
+  "$file:${LINE+2}:7", // on 'barXYZ'
+  "$file:${LINE+15}:18", // on 'i'
+  "$file:${LINE+16}:14", // on '-'
+  "$file:${LINE+16}:5", // on '_xyz'
+  "$file:${LINE+17}:3", // on '}'
+
+  "$file:${LINE+3}:3", // on 'fooXYZ'
+  "$file:${LINE+8}:16", // on 'i'
+  "$file:${LINE+9}:12", // on '-'
+  "$file:${LINE+10}:1", // on '}'
+
+  "$file:${LINE+4}:1" // on ending '}'
+];
+
+var tests = [
+  hasPausedAtStart,
+  setBreakpointAtLine(LINE),
+  runStepIntoThroughProgramRecordingStops(stops),
+  checkRecordedStops(stops, expected,
+      debugPrint: true, debugPrintFile: file, debugPrintLine: LINE)
+];
+
+main(args) {
+  runIsolateTestsSynchronous(args, tests,
+      testeeConcurrent: code, pause_on_start: true, pause_on_exit: true);
+}