Additional service tests

runtime/observatory/tests/service/step_through_switch_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_switch_test.dart";
+
+code() {
+  code2('a');
+  code2('b');
+  code2('c');
+  code2('d');
+}
+
+code2(String key) {
+  switch (key) {
+    case "a":
+      print("a!");
+      break;
+    case "b":
+    case "c":
+      print("b or c!");
+      break;
+    default:
+      print("neither a, b or c...");
+  }
+}
+
+List<String> stops = [];
+List<String> expected = [
+  "$file:${LINE+0}:5", // after 'code'
+
+  "$file:${LINE+1}:3", // on 'code2'
+  "$file:${LINE+7}:14", // on 'key'
+  "$file:${LINE+9}:10", // on first '"' on 'case "a"' line
+  "$file:${LINE+10}:7", // on 'print'
+  "$file:${LINE+11}:7", // on 'break'
+  "$file:${LINE+19}:1", // on '}'
+
+  "$file:${LINE+2}:3", // on 'code2'
+  "$file:${LINE+7}:14", // on 'key'
+  "$file:${LINE+9}:10", // on first '"' on 'case "a"' line
+  "$file:${LINE+12}:10", // on first '"' on 'case "b"' line
+  "$file:${LINE+14}:7", // on 'print'
+  "$file:${LINE+15}:7", // on 'break'
+  "$file:${LINE+19}:1", // on '}'
+
+  "$file:${LINE+3}:3", // on 'code2'
+  "$file:${LINE+7}:14", // on 'key'
+  "$file:${LINE+9}:10", // on first '"' on 'case "a"' line
+  "$file:${LINE+12}:10", // on first '"' on 'case "b"' line
+  "$file:${LINE+13}:10", // on first '"' on 'case "c"' line
+  "$file:${LINE+14}:7", // on 'print'
+  "$file:${LINE+15}:7", // on 'break'
+  "$file:${LINE+19}:1", // on '}'
+
+  "$file:${LINE+4}:3", // on 'code2'
+  "$file:${LINE+7}:14", // on 'key'
+  "$file:${LINE+9}:10", // on first '"' on 'case "a"' line
+  "$file:${LINE+12}:10", // on first '"' on 'case "b"' line
+  "$file:${LINE+13}:10", // on first '"' on 'case "c"' line
+  "$file:${LINE+17}:7", // on 'print'
+  "$file:${LINE+19}:1", // on '}'
+
+  "$file:${LINE+5}: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);
+}