Add tests for evalutating against activation records.

runtime/observatory/tests/service/evaluate_activation_test.dart

+// Copyright (c) 2015, 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=--compile-all --error_on_bad_type --error_on_bad_override
+
+import 'package:observatory/service_io.dart';
+import 'package:unittest/unittest.dart';
+import 'test_helper.dart';
+import 'dart:async';
+
+import 'dart:math' as math;
+
+breakHere() {}
+
+class C {
+  var instVar = 1;
+  static var classVar = 2;
+
+  method(methodParam) {
+    var methodTemp = 4;
+    [5].forEach((outerParam) {
+      var outerTemp = 6;
+      [7].forEach((innerParam) {
+        var innerTemp = 8;
+        breakHere();
+      });
+    });
+  }
+
+  static method2(methodParam) {
+    var methodTemp = 4;
+    [5].forEach((outerParam) {
+      var outerTemp = 6;
+      [7].forEach((innerParam) {
+        var innerTemp = 8;
+        breakHere();
+      });
+    });
+  }
+
+  method3(methodParam) {
+    var methodTemp = 4;
+    breakHere();
+  }
+
+  static var closureWithReturnedHome;
+  method4(methodParam) {
+    var methodTemp = 4;
+    [5].forEach((outerParam) {
+      var outerTemp = 6;
+      closureWithReturnedHome = (innerParam) {
+        var innerTemp = 8;
+        breakHere();
+      };
+    });
+  }
+}
+
+testMethod(Isolate isolate) async {
+  Library rootLib = await isolate.rootLib.load();
+  ServiceFunction function =
+      rootLib.functions.singleWhere((f) => f.name == 'breakHere');
+  Breakpoint bpt = await isolate.addBreakpointAtEntry(function);
+  print("Breakpoint: $bpt");
+  expect(bpt is Breakpoint, isTrue);  // I.e, not null.
+
+  bool hitBreakpoint = false;
+  var sub;
+  sub = isolate.vm.events.stream.listen((ServiceEvent event) async {
+    print("Event $event");
+    if (event.eventType == ServiceEvent.kPauseBreakpoint) {
+      var frameNumber = 1, r;
+      r = await isolate.evalFrame(frameNumber, '123');  /// instance: ok
+      expect(r.valueAsString, equals('123'));  /// instance: continued
+      r = await isolate.evalFrame(frameNumber, 'this');  /// scope: ok
+      expect(r.clazz.name, equals('C'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'instVar');  /// instance: continued
+      expect(r.valueAsString, equals('1'));  /// instance: continued
+      r = await isolate.evalFrame(frameNumber, 'classVar'); /// instance: continued
+      expect(r.valueAsString, equals('2'));  /// instance: continued
+      r = await isolate.evalFrame(frameNumber, 'methodParam');  /// scope: continued
+      expect(r.valueAsString, equals('3'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'methodTemp');  /// scope: continued
+      expect(r.valueAsString, equals('4'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'outerParam');  /// scope: continued
+      expect(r.valueAsString, equals('5'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'outerTemp');  /// scope: continued
+      expect(r.valueAsString, equals('6'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'innerParam');  /// instance: continued
+      expect(r.valueAsString, equals('7'));  /// instance: continued
+      r = await isolate.evalFrame(frameNumber, 'innerTemp');  /// instance: continued
+      expect(r.valueAsString, equals('8'));  /// instance: continued
+      r = await isolate.evalFrame(frameNumber, 'math.sqrt');  /// instance: continued
+      expect(r.isClosure, isTrue);  /// instance: continued
+
+      hitBreakpoint = true;
+      sub.cancel();  // Do not handle events for the other tests.
+      isolate.resume();
+    }
+  });
+
+  var result = await isolate.eval(rootLib, 'new C().method(3);');
+  print("Result $result");
+  expect(hitBreakpoint, isTrue);
+}
+
+testMethod2(Isolate isolate) async {
+  Library rootLib = await isolate.rootLib.load();
+  ServiceFunction function =
+      rootLib.functions.singleWhere((f) => f.name == 'breakHere');
+  Breakpoint bpt = await isolate.addBreakpointAtEntry(function);
+  print("Breakpoint: $bpt");
+  expect(bpt is Breakpoint, isTrue);  // I.e, not null.
+
+  bool hitBreakpoint = false;
+  var sub;
+  sub = isolate.vm.events.stream.listen((ServiceEvent event) async {
+    print("Event $event");
+    if (event.eventType == ServiceEvent.kPauseBreakpoint) {
+      var frameNumber = 1, r;
+      r = await isolate.evalFrame(frameNumber, '123');
+      expect(r.valueAsString, equals('123'));
+      r = await isolate.evalFrame(frameNumber, 'this');
+      expect(r is DartError, isTrue);
+      r = await isolate.evalFrame(frameNumber, 'instVar');
+      expect(r is DartError, isTrue);
+      r = await isolate.evalFrame(frameNumber, 'classVar');
+      expect(r.valueAsString, equals('2'));
+      r = await isolate.evalFrame(frameNumber, 'methodParam');
+      expect(r.valueAsString, equals('3'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'methodTemp');
+      expect(r.valueAsString, equals('4'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'outerParam');
+      expect(r.valueAsString, equals('5'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'outerTemp');
+      expect(r.valueAsString, equals('6'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'innerParam');
+      expect(r.valueAsString, equals('7'));
+      r = await isolate.evalFrame(frameNumber, 'innerTemp');
+      expect(r.valueAsString, equals('8'));
+      r = await isolate.evalFrame(frameNumber, 'math.sqrt');
+      expect(r.isClosure, isTrue);
+
+      hitBreakpoint = true;
+      sub.cancel();  // Do not handle events for the other tests.
+      isolate.resume();
+    }
+  });
+
+  var result = await isolate.eval(rootLib, 'C.method2(3);');
+  print("Result $result");
+  expect(hitBreakpoint, isTrue);
+}
+
+testMethod3(Isolate isolate) async {
+  Library rootLib = await isolate.rootLib.load();
+  ServiceFunction function =
+      rootLib.functions.singleWhere((f) => f.name == 'breakHere');
+  Breakpoint bpt = await isolate.addBreakpointAtEntry(function);
+  print("Breakpoint: $bpt");
+  expect(bpt is Breakpoint, isTrue);  // I.e, not null.
+
+  bool hitBreakpoint = false;
+  var sub;
+  sub = isolate.vm.events.stream.listen((ServiceEvent event) async {
+    print("Event $event");
+    if (event.eventType == ServiceEvent.kPauseBreakpoint) {
+      var frameNumber = 1, r;
+      r = await isolate.evalFrame(frameNumber, '123');
+      expect(r.valueAsString, equals('123'));
+      r = await isolate.evalFrame(frameNumber, 'this');
+      expect(r.clazz.name, equals('C'));
+      r = await isolate.evalFrame(frameNumber, 'instVar');
+      expect(r.valueAsString, equals('1'));
+      r = await isolate.evalFrame(frameNumber, 'classVar');
+      expect(r.valueAsString, equals('2'));
+      r = await isolate.evalFrame(frameNumber, 'methodParam');
+      expect(r.valueAsString, equals('3'));
+      r = await isolate.evalFrame(frameNumber, 'methodTemp');
+      expect(r.valueAsString, equals('4'));
+      r = await isolate.evalFrame(frameNumber, 'math.sqrt');
+      expect(r.isClosure, isTrue);
+
+      hitBreakpoint = true;
+      sub.cancel();  // Do not handle events for the other tests.
+      isolate.resume();
+    }
+  });
+
+  var result = await isolate.eval(rootLib, 'new C().method3(3);');
+  print("Result $result");
+  expect(hitBreakpoint, isTrue);
+}
+
+
+testMethod4(Isolate isolate) async {
+  Library rootLib = await isolate.rootLib.load();
+  ServiceFunction function =
+      rootLib.functions.singleWhere((f) => f.name == 'breakHere');
+  Breakpoint bpt = await isolate.addBreakpointAtEntry(function);
+  print("Breakpoint: $bpt");
+  expect(bpt is Breakpoint, isTrue);  // I.e, not null.
+
+  bool hitBreakpoint = false;
+  var sub;
+  sub = isolate.vm.events.stream.listen((ServiceEvent event) async {
+    print("Event $event");
+    if (event.eventType == ServiceEvent.kPauseBreakpoint) {
+      var frameNumber = 1, r;
+      r = await isolate.evalFrame(frameNumber, '123');  /// instance: continued
+      expect(r.valueAsString, equals('123'));  /// instance: continued
+      r = await isolate.evalFrame(frameNumber, 'this');  /// scope: continued
+      expect(r.clazz.name, equals('C'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'instVar');  /// instance: continued
+      expect(r.valueAsString, equals('1'));  /// instance: continued
+      r = await isolate.evalFrame(frameNumber, 'classVar');  /// instance: continued
+      expect(r.valueAsString, equals('2'));  /// instance: continued
+      r = await isolate.evalFrame(frameNumber, 'methodParam');  /// scope: continued
+      expect(r.valueAsString, equals('3'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'methodTemp');  /// scope: continued
+      expect(r.valueAsString, equals('4'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'outerParam');  /// scope: continued
+      expect(r.valueAsString, equals('5'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'outerTemp');  /// scope: continued
+      expect(r.valueAsString, equals('6'));  /// scope: continued
+      r = await isolate.evalFrame(frameNumber, 'innerParam');  /// instance: continued
+      expect(r.valueAsString, equals('7'));  /// instance: continued
+      r = await isolate.evalFrame(frameNumber, 'innerTemp');  /// instance: continued
+      expect(r.valueAsString, equals('8'));  /// instance: continued
+      r = await isolate.evalFrame(frameNumber, 'math.sqrt');  /// instance: continued
+      expect(r.isClosure, isTrue);  /// instance: continued
+
+      hitBreakpoint = true;
+      sub.cancel();  // Do not handle events for the other tests.
+      isolate.resume();
+    }
+  });
+
+  var result = await isolate.eval(rootLib,
+      '(){ new C().method4(3); C.closureWithReturnedHome(7); }()');
+  print("Result $result");
+  expect(hitBreakpoint, isTrue);
+}
+
+var tests = [
+  testMethod,
+  testMethod2,
+  testMethod3,
+  testMethod4,
+];
+
+main(args) => runIsolateTests(args, tests);