VM: Evaluate-in-frame should happen in the scope of the method class, not the receiver class.

runtime/observatory/tests/service/evaluate_activation_in_method_class_test.dart

+// Copyright (c) 2016, 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.
+// VMOptions=--error_on_bad_type --error_on_bad_override
+
+// Tests that expressions evaluated in a frame see the same scope as the
+// frame's method.
+
+import 'package:observatory/service_io.dart';
+import 'package:unittest/unittest.dart';
+import 'test_helper.dart';
+import 'service_test_common.dart';
+
+import 'evaluate_activation_in_method_class_other.dart';
+
+var topLevel = "TestLibrary";
+
+class Subclass extends Superclass with Klass {
+  var _instVar = 'Subclass';
+  var instVar = 'Subclass';
+  method() => 'Subclass';
+  static staticMethod() => 'Subclass';
+}
+
+testeeDo() {
+  var obj = new Subclass();
+  obj.test();
+}
+
+testerDo(Isolate isolate) async {
+  await hasStoppedAtBreakpoint(isolate);
+
+  // Make sure we are in the right place.
+  var stack = await isolate.getStack();
+  var topFrame = 0;
+  expect(stack.type, equals('Stack'));
+  expect(stack['frames'][topFrame].function.name, equals('test'));
+  expect(stack['frames'][topFrame].function.dartOwner.name, equals('Superclass&Klass'));
+
+  var result;
+
+  result = await isolate.evalFrame(topFrame, '_local');
+  print(result);
+  expect(result.valueAsString, equals('Klass'));
+
+  result = await isolate.evalFrame(topFrame, '_instVar');
+  print(result);
+  expect(result.valueAsString, equals('Klass'));
+
+  result = await isolate.evalFrame(topFrame, 'instVar');
+  print(result);
+  expect(result.valueAsString, equals('Subclass'));
+
+  result = await isolate.evalFrame(topFrame, 'method()');
+  print(result);
+  expect(result.valueAsString, equals('Subclass'));
+
+  result = await isolate.evalFrame(topFrame, 'super._instVar');
+  print(result);
+  expect(result.valueAsString, equals('Superclass'));
+
+  result = await isolate.evalFrame(topFrame, 'super.instVar');
+  print(result);
+  expect(result.valueAsString, equals('Superclass'));
+
+  result = await isolate.evalFrame(topFrame, 'super.method()');
+  print(result);
+  expect(result.valueAsString, equals('Superclass'));
+
+  result = await isolate.evalFrame(topFrame, 'staticMethod()');
+  print(result);
+  expect(result.valueAsString, equals('Klass'));
+  
+  // function.Owner verus function.Origin
+  // The mixin of Superclass is in _other.dart and the mixin
+  // application is in _test.dart.
+  result = await isolate.evalFrame(topFrame, 'topLevel');
+  print(result);
+  expect(result.valueAsString, equals('OtherLibrary'));
+}
+
+main(args) => runIsolateTests(args, [testerDo], testeeConcurrent:testeeDo);