Implement modular compilation

test/utils_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.
-
-library dev_compiler.test.utils_test;
-
-import 'package:dev_compiler/src/utils.dart';
-import 'package:test/test.dart';
-
-enum Foo { first, second }
-
-void main() {
-  group('getEnumValue', () {
-    test('gets simple names', () {
-      expect(getEnumName(Foo.first), 'first');
-    });
-    test('chokes on invalid values', () {
-      expect(() => getEnumName(null), throws);
-      expect(() => getEnumName(''), throws);
-      expect(() => getEnumName('.'), throws);
-      expect(() => getEnumName('.a'), throws);
-      expect(() => getEnumName('a.'), throws);
-    });
-  });
-  group('parseEnum', () {
-    Foo parseFoo(String s) => parseEnum(s, Foo.values);
-    test('parses enums', () {
-      expect(parseFoo('first'), Foo.first);
-      expect(parseFoo('second'), Foo.second);
-    });
-    test('chokes on unknown enums', () {
-      expect(() => parseFoo(''), throws);
-      expect(() => parseFoo('what'), throws);
-    });
-  });
-}