Separate is_debuggable and is_visible again. The outer async functions

runtime/observatory/test/async_generator_breakpoint_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=--verbose-debug
+
+import 'package:observatory/service_io.dart';
+import 'package:unittest/unittest.dart';
+import 'test_helper.dart';
+import 'dart:async';
+
+printSync() {  // Line 12
+  print('sync');
+}
+printAsync() async {  // Line 15
+  print('async');
+}
+printAsyncStar() async* {  // Line 18
+  print('async*');
+}
+printSyncStar() sync* {  // Line 21
+  print('sync*');
+}
+
+var testerReady = false;
+testeeDo() {
+  // We block here rather than allowing the isolate to enter the
+  // paused-on-exit state before the tester gets a chance to set
+  // the breakpoints because we need the event loop to remain
+  // operational for the async bodies to run.
+  print('testee waiting');
+  while(!testerReady);
+
+  printSync();
+  var future = printAsync();
+  var stream = printAsyncStar();
+  var iterator = printSyncStar();
+
+  print('middle');  // Line 39.
+
+  future.then((v) => print(v));
+  stream.toList();
+  iterator.toList();
+}
+
+testAsync(Isolate isolate) async {
+  await isolate.rootLib.load();
+  var script = isolate.rootLib.scripts[0];
+
+  var bp1 = await isolate.addBreakpoint(script, 12);
+  expect(bp1, isNotNull);
+  expect(bp1 is Breakpoint, isTrue);
+  var bp2 = await isolate.addBreakpoint(script, 15);
+  expect(bp2, isNotNull);
+  expect(bp2 is Breakpoint, isTrue);
+  var bp3 = await isolate.addBreakpoint(script, 18);
+  expect(bp3, isNotNull);
+  expect(bp3 is Breakpoint, isTrue);
+  var bp4 = await isolate.addBreakpoint(script, 21);
+  expect(bp4, isNotNull);
+  expect(bp4 is Breakpoint, isTrue);
+  var bp5 = await isolate.addBreakpoint(script, 39);
+  expect(bp5, isNotNull);
+  expect(bp5 is Breakpoint, isTrue);
+
+  var hits = [];
+
+  isolate.eval(isolate.rootLib, 'testerReady = true;')
+      .then((ServiceObject result) {
+        expect(result.valueAsString, equals('true'));
+      });
+
+  await for (ServiceEvent event in isolate.vm.events.stream) {
+    if (event.eventType == ServiceEvent.kPauseBreakpoint) {
+      var bp = event.breakpoint;
+      print('Hit $bp');
+      hits.add(bp);
+      isolate.resume();
+
+      if (hits.length == 5) break;
+    }
+  }
+
+  expect(hits, equals([bp1, bp5, bp4, bp2, bp3]));
+}
+
+var tests = [testAsync];
+
+main(args) => runIsolateTests(args, tests, testeeConcurrent: testeeDo);