Fill in type arguments when creating an object from the mirrors or embedding API.

tests/lib/mirrors/new_instance_with_type_arguments_test.dart

Index: tests/lib/mirrors/new_instance_with_type_arguments_test.dart
diff --git a/tests/lib/mirrors/new_instance_with_type_arguments_test.dart b/tests/lib/mirrors/new_instance_with_type_arguments_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..44238ad106a5e9e504ecf3bb30a44dea09ab2e68
--- /dev/null
+++ b/tests/lib/mirrors/new_instance_with_type_arguments_test.dart
@@ -0,0 +1,66 @@
+// 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 test.new_instance_with_type_arguments_test;
+
+import 'dart:mirrors';
+
+import 'package:expect/expect.dart';
+
+class A<T> {
+  Type get t => T;
+}
+class B extends A<int> {}
+class C<S> extends A<num> {
+  Type get s => S;
+}
+
+main() {
+  ClassMirror cmA = reflectClass(A);
+  ClassMirror cmB = reflectClass(B);
+  ClassMirror cmC = reflectClass(C);
+  
+  var a_int = new A<int>();
+  var a_dynamic = new A();
+  var b = new B();
+  var c_string = new C<String>();
+  var c_dynamic = new C();
+
+  Expect.equals(int, a_int.t);
+  Expect.equals(dynamic, a_dynamic.t);
+  Expect.equals(int, b.t);
+  Expect.equals(num, c_string.t);
+  Expect.equals(num, c_dynamic.t);
+
+  Expect.equals(String, c_string.s);
+  Expect.equals(dynamic, c_dynamic.s);
+
+
+  var reflective_a_int =
+      cmB.superclass.newInstance(const Symbol(''), []).reflectee;
+  var reflective_a_dynamic =
+      cmA.newInstance(const Symbol(''), []).reflectee;
+  var reflective_b =
+      cmB.newInstance(const Symbol(''), []).reflectee;
+  // TODO(rmacnak): Uncomment when reflectType is added to the API.
+  // var reflective_c_string =
+  //   reflectType(cmC.runtimeType).newInstance(const Symbol(''), []).reflectee;
+  var reflective_c_dynamic =
+      cmC.newInstance(const Symbol(''), []).reflectee;
+
+  Expect.equals(int, reflective_a_int.t);
+  Expect.equals(dynamic, reflective_a_dynamic.t);
+  Expect.equals(int, reflective_b.t);
+  // Expect.equals(num, c_string.t);
+  Expect.equals(num, reflective_c_dynamic.t);
+
+  // Expect.equals(String, c_string.s);
+  Expect.equals(dynamic, reflective_c_dynamic.s);
+
+  Expect.equals(a_int.runtimeType, reflective_a_int.runtimeType);
+  Expect.equals(a_dynamic.runtimeType, reflective_a_dynamic.runtimeType);
+  Expect.equals(b.runtimeType, reflective_b.runtimeType);
+  // Expect.equals(c_string.runtimeType, reflective_c_string.runtimeType);
+  Expect.equals(c_dynamic.runtimeType, reflective_c_dynamic.runtimeType);
+}