Initial task support

pkg/analyzer/test/src/task/targets_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 test.src.task.targets_test;
+
+import 'package:analyzer/src/generated/source.dart';
+import 'package:analyzer/src/task/targets.dart';
+import 'package:unittest/unittest.dart';
+
+import '../../generated/test_support.dart';
+import '../../reflective_tests.dart';
+
+main() {
+  groupSep = ' | ';
+  runReflectiveTests(SourceTargetTest);
+}
+
+@reflectiveTest
+class SourceTargetTest extends EngineTestCase {
+  test_create() {
+    Source source = new TestSource();
+    SourceTarget target = new SourceTarget(source);
+    expect(target, isNotNull);
+    expect(target.source, source);
+  }
+}