Kernel debugging; service tests

runtime/observatory/tests/service/field_script_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.
+
+library field_script_test;
+
+import 'package:observatory/service_io.dart';
+import 'package:unittest/unittest.dart';
+import 'test_helper.dart';
+import 'service_test_common.dart';
+
+part 'field_script_other.dart';
+
+code() {
+  print(otherField);
+}
+
+var tests = [
+  hasPausedAtStart,
+  (Isolate isolate) async {
+    Library lib = await isolate.rootLibrary.load();
+    var fields = lib.variables;
+    expect(fields.length, 2);
+    print(lib.variables);
+    for(Field f in fields) {
+      await f.load();
+      String locationString = await f.location.toUserString();
+      if (f.name == "tests") {
+        expect(locationString, "field_script_test.dart:18:5");
+      } else if (f.name == "otherField") {
+        expect(locationString, "field_script_other.dart:7:5");
+      } else {
+        fail("Unexpected field: ${f.name}");
+      }
+    }
+  }
+];
+
+main(args) {
+  runIsolateTestsSynchronous(args, tests,
+      testeeConcurrent: code, pause_on_start: true, pause_on_exit: true);
+}