Support typeArguments, isOriginalDeclaration, and get originalDeclaration in ClassMirror.

tests/lib/mirrors/typearguments_mirror_test.dart

Index: tests/lib/mirrors/typearguments_mirror_test.dart
diff --git a/tests/lib/mirrors/typearguments_mirror_test.dart b/tests/lib/mirrors/typearguments_mirror_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..855d8428cebb6179b6855490adc396572dd5adb4
--- /dev/null
+++ b/tests/lib/mirrors/typearguments_mirror_test.dart
@@ -0,0 +1,65 @@
+// 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 lib;
+
+import 'package:expect/expect.dart';
+import 'stringify.dart';
+import 'dart:mirrors';
+
+class Foo<T> {}
+class Bar<T, R> {}
+
+main() {
+  var cm = reflectClass(Foo);
+  var cm1 = reflect((new Foo<String>())).type;
+
+  Expect.notEquals(cm, cm1);
+  Expect.isFalse(cm1.isOriginalDeclaration);
+  Expect.isTrue(cm.isOriginalDeclaration);
+
+  Expect.equals(cm, cm1.originalDeclaration);
+
+  Expect.equals(cm, reflectClass(Foo));
+  Expect.equals(cm, reflectClass((new Foo().runtimeType)));
+  print((reflect(new Foo()).type).runtimeType);
+  print(cm.runtimeType);
+  Expect.equals(cm1, reflect(new Foo<String>()).type);
+
+  expect('[]', cm.typeArguments);
+  expect('[Class(s(String) in s(dart.core), top-level)]', cm1.typeArguments);
+
+  cm = reflect(new Bar<List, Set>()).type;
+  cm1 = reflect(new Bar<List, Set<String>>()).type;
+
+  var cm2 = reflect(new Bar<List<String>, Set>()).type;
+  var cm3 = reflect(new Bar<List<String>, Set<String>>()).type;
+
+  expect('[Class(s(List) in s(dart.core), top-level),'
+         ' Class(s(Set) in s(dart.core), top-level)]', cm.typeArguments);
+  expect('[Class(s(List) in s(dart.core), top-level),'
+         ' Class(s(Set) in s(dart.core), top-level)]', cm1.typeArguments);
+  expect('[Class(s(List) in s(dart.core), top-level),'
+         ' Class(s(Set) in s(dart.core), top-level)]', cm2.typeArguments);
+  expect('[Class(s(List) in s(dart.core), top-level),'
+         ' Class(s(Set) in s(dart.core), top-level)]', cm3.typeArguments);
+
+  expect('[Class(s(String) in s(dart.core), top-level)]',
+         cm1.typeArguments[1].typeArguments);
+  expect('[Class(s(String) in s(dart.core), top-level)]',
+         cm2.typeArguments[0].typeArguments);
+  expect('[Class(s(String) in s(dart.core), top-level)]',
+         cm3.typeArguments[0].typeArguments);
+  expect('[Class(s(String) in s(dart.core), top-level)]',
+         cm3.typeArguments[1].typeArguments);
+
+  var cm4 = reflect(new Bar<Bar<List, Set>, String>()).type;
+
+  expect('[Class(s(Bar) in s(lib), top-level),'
+         ' Class(s(String) in s(dart.core), top-level)]',
+         cm4.typeArguments);
+  expect('[Class(s(List) in s(dart.core), top-level), '
+         'Class(s(Set) in s(dart.core), top-level)]',
+         cm4.typeArguments[0].typeArguments);
+}