Add "point of interest" app for command-line testing of dart2js type information.

dart/tests/try/paste_content_rewriting_test.dart

-// Copyright (c) 2014, 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 trydart.paste_test;
-
-import 'dart:html';
-import 'dart:async';
-
-import 'package:try/src/interaction_manager.dart' show
-    InteractionManager;
-
-import 'package:try/src/ui.dart' show
-    mainEditorPane,
-    observer;
-
-import 'package:try/src/user_option.dart' show
-    UserOption;
-
-import '../../pkg/expect/lib/expect.dart';
-import '../../pkg/async_helper/lib/async_helper.dart';
-
-const Map<String, String> tests = const <String, String> {
-  '<span><p>//...</p>}</span>': '//...\n}',
-  'someText': 'someText',
-  '"\$"': '"<DIAGNOSTIC>\$</DIAGNOSTIC>"',
-  '"\$\$"': '"<DIAGNOSTIC>\$</DIAGNOSTIC><DIAGNOSTIC>\$</DIAGNOSTIC>"',
-  '"\$\$4"': '"<DIAGNOSTIC>\$</DIAGNOSTIC><DIAGNOSTIC>\$</DIAGNOSTIC>4"',
-  '"\$\$4 "': '"<DIAGNOSTIC>\$</DIAGNOSTIC><DIAGNOSTIC>\$</DIAGNOSTIC>4 "',
-  '1e': '<DIAGNOSTIC>1e</DIAGNOSTIC>',
-  'r"""\n\n\'"""': 'r"""\n\n\'"""',
-  '"': '<DIAGNOSTIC>"</DIAGNOSTIC>',
-  '/**\n*/': '/**\n*/',
-};
-
-List<Node> queryDiagnosticNodes() {
-  return mainEditorPane.querySelectorAll('a.diagnostic>span');
-}
-
-Future runTests() {
-  Iterator<String> keys = tests.keys.iterator;
-  keys.moveNext();
-  mainEditorPane.innerHtml = keys.current;
-
-  Future makeFuture() => new Future(() {
-    String key = keys.current;
-    print('Checking $key');
-    queryDiagnosticNodes().forEach((Node node) {
-      node.parent.append(new Text('</DIAGNOSTIC>'));
-      node.replaceWith(new Text('<DIAGNOSTIC>'));
-      observer.takeRecords(); // Discard mutations.
-    });
-    Expect.stringEquals(tests[key], mainEditorPane.text);
-    if (keys.moveNext()) {
-      key = keys.current;
-      print('Setting $key');
-      mainEditorPane.innerHtml = key;
-      return makeFuture();
-    } else {
-      // Clear the DOM to work around a bug in test.dart.
-      document.body.nodes.clear();
-      return null;
-    }
-  });
-
-  return makeFuture();
-}
-
-void main() {
-  UserOption.storage = {};
-
-  var interaction = new InteractionManager();
-  mainEditorPane = new DivElement();
-  document.body.append(mainEditorPane);
-  observer = new MutationObserver(interaction.onMutation)
-      ..observe(
-          mainEditorPane, childList: true, characterData: true, subtree: true);
-
-  asyncTest(runTests);
-}