Pull args, intl, logging, shelf, and source_maps out of the SDK.

pkg/args/test/utils.dart

-// Copyright (c) 2013, 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 utils;
-
-import 'dart:async';
-
-import 'package:args/args.dart';
-import 'package:args/command_runner.dart';
-import 'package:unittest/unittest.dart';
-
-class CommandRunnerWithFooter extends CommandRunner {
-  final usageFooter = "Also, footer!";
-
-  CommandRunnerWithFooter(String executableName, String description)
-      : super(executableName, description);
-}
-
-class FooCommand extends Command {
-  var hasRun = false;
-
-  final name = "foo";
-  final description = "Set a value.";
-  final takesArguments = false;
-
-  void run() {
-    hasRun = true;
-  }
-}
-
-class HiddenCommand extends Command {
-  var hasRun = false;
-
-  final name = "hidden";
-  final description = "Set a value.";
-  final hidden = true;
-  final takesArguments = false;
-
-  void run() {
-    hasRun = true;
-  }
-}
-
-class AliasedCommand extends Command {
-  var hasRun = false;
-
-  final name = "aliased";
-  final description = "Set a value.";
-  final takesArguments = false;
-  final aliases = const ["alias", "als"];
-
-  void run() {
-    hasRun = true;
-  }
-}
-
-class AsyncCommand extends Command {
-  var hasRun = false;
-
-  final name = "async";
-  final description = "Set a value asynchronously.";
-  final takesArguments = false;
-
-  Future run() => new Future.value().then((_) => hasRun = true);
-}
-
-void throwsIllegalArg(function, {String reason: null}) {
-  expect(function, throwsArgumentError, reason: reason);
-}
-
-void throwsFormat(ArgParser parser, List<String> args) {
-  expect(() => parser.parse(args), throwsFormatException);
-}
-
-Matcher throwsUsageError(message, usage) {
-  return throwsA(predicate((error) {
-    expect(error, new isInstanceOf<UsageException>());
-    expect(error.message, message);
-    expect(error.usage, usage);
-    return true;
-  }));
-}