[ Service ] Added service tests for enhanced enums

Fixes #47870

TEST=pkg/vm_service/test/enhanced_enum_test.dart

Change-Id: Ifa55c894f331452d1d88131d892d6c153dcbe8cf
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/232225
Reviewed-by: Alexander Markov <[email protected]>
Commit-Queue: Ben Konyi <[email protected]>

Author: bkonyi

pkg/vm_service/test/breakpoint_in_enhanced_enums_test.dart

@@ -0,0 +1,111 @@
+// Copyright (c) 2022, 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.
+//
+// SharedOptions=--enable-experiment=enhanced-enums
+
+// ignore_for_file: experiment_not_enabled
+// @dart=2.17
+
+import 'common/service_test_common.dart';
+import 'common/test_helper.dart';
+
+const int LINE_A = 24;
+const int LINE_B = LINE_A + 11;
+const int LINE_C = LINE_B + 4;
+const int LINE_D = LINE_C + 4;
+const int LINE_E = LINE_D + 5;
+const int LINE_F = LINE_E + 4;
+const int LINE_G = LINE_F + 5;
+const int LINE_H = LINE_G + 4;
+
+mixin M on Object {
+  int mixedInMethod() {
+    print('mixedInMethod'); // LINE_A
+    return 0;
+  }
+}
+
+enum E with M {
+  e1,
+  e2,
+  e3;
+
+  void instanceMethod() {
+    print('instanceMethod'); // LINE_B
+  }
+
+  static void staticMethod() {
+    print('staticMethod'); // LINE_C
+  }
+
+  int get getter {
+    print('getter'); // LINE_D
+    return 0;
+  }
+
+  set setter(int x) {
+    print('setter'); // LINE_E
+  }
+
+  static int get staticGetter {
+    print('staticGetter'); // LINE_F
+    return 0;
+  }
+
+  static set staticSetter(int x) {
+    print('staticSetter'); // LINE_G
+  }
+
+  String toString() {
+    print('overriden toString'); // LINE_H
+    return '';
+  }
+}
+
+void testMain() {
+  E.staticMethod();
+  E.staticGetter;
+  E.staticSetter = 42;
+  final e = E.e1;
+  e.mixedInMethod();
+  e.instanceMethod();
+  e.getter;
+  e.setter = 42;
+  e.toString();
+}
+
+const lines = <int>[
+  LINE_C,
+  LINE_F,
+  LINE_G,
+  LINE_A,
+  LINE_B,
+  LINE_D,
+  LINE_E,
+  LINE_H,
+];
+
+const fileName = 'breakpoint_in_enhanced_enums_test.dart';
+final expected = <String>[
+  for (final line in lines) '$fileName:$line:5',
+];
+
+final stops = <String>[];
+
+final tests = <IsolateTest>[
+  hasPausedAtStart,
+  for (final line in lines) setBreakpointAtLine(line),
+  resumeProgramRecordingStops(stops, false),
+  checkRecordedStops(stops, expected),
+];
+
+main([args = const <String>[]]) => runIsolateTests(
+      args,
+      tests,
+      fileName,
+      testeeConcurrent: testMain,
+      pause_on_start: true,
+      pause_on_exit: true,
+      experiments: ['enhanced-enums'],
+    );