Adding Angular and dependent packages for testing

third_party/pkg/route_hierarchical/test/pattern_test.dart

Index: third_party/pkg/route_hierarchical/test/pattern_test.dart
diff --git a/third_party/pkg/route_hierarchical/test/pattern_test.dart b/third_party/pkg/route_hierarchical/test/pattern_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..bf9acece03fcaf4a53c0ef4d09852a2fc995b017
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+++ b/third_party/pkg/route_hierarchical/test/pattern_test.dart
@@ -0,0 +1,24 @@
+// 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.
+
+import 'package:unittest/unittest.dart';
+import 'package:route_hierarchical/pattern.dart';
+
+main() {
+  test('matchAny', () {
+    var p = matchAny(['a', 'b'], exclude: ['ac', 'aa']);
+    expect(p.allMatches('a').map(matchValue), ['a']);
+    expect(p.allMatches('ab').map(matchValue), ['a', 'b']);
+    expect(p.allMatches('aa').map(matchValue), []);
+    expect(p.allMatches('bb').map(matchValue), ['b', 'b']);
+    expect(p.allMatches('aca').map(matchValue), []);
+  });
+
+  test('matchesFull', () {
+    expect(matchesFull('a', 'aa'), false);
+    expect(matchesFull('aa', 'aa'), true);
+  });
+}
+
+String matchValue(Match m) => m.input.substring(m.start, m.end);