Add mirrors tests

test/codegen/lib/mirrors/return_type_test.dart

Index: test/codegen/lib/mirrors/return_type_test.dart
diff --git a/test/codegen/lib/mirrors/return_type_test.dart b/test/codegen/lib/mirrors/return_type_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..547e7610fb2e1fb97045d3482deacf643e24d75f
--- /dev/null
+++ b/test/codegen/lib/mirrors/return_type_test.dart
@@ -0,0 +1,48 @@
+// 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.
+
+/// Test of [MethodMirror.returnType].
+library test.return_type_test;
+
+@MirrorsUsed(targets: 'test.return_type_test', override: '*')
+import 'dart:mirrors';
+
+import 'stringify.dart';
+
+class B {
+  f() {}
+  int g() {}
+  List h() {}
+  B i() {}
+
+  // TODO(ahe): Test this when dart2js handles parameterized types.
+  // List<int> j() {}
+}
+
+methodsOf(ClassMirror cm) {
+  var result = new Map();
+  cm.declarations.forEach((k,v) {
+    if(v is MethodMirror && v.isRegularMethod) result[k] = v;
+  });
+  return result;
+}
+
+main() {
+  var methods = methodsOf(reflectClass(B));
+
+  expect('{f: Method(s(f) in s(B)), '
+         'g: Method(s(g) in s(B)), '
+         'h: Method(s(h) in s(B)), '
+         'i: Method(s(i) in s(B))}', methods);
+
+  var f = methods[#f];
+  var g = methods[#g];
+  var h = methods[#h];
+  var i = methods[#i];
+
+  expect('Type(s(dynamic), top-level)', f.returnType);
+  expect('Class(s(int) in s(dart.core), top-level)', g.returnType);
+  expect('Class(s(List) in s(dart.core), top-level)', h.returnType);
+  expect('Class(s(B) in s(test.return_type_test), top-level)', i.returnType);
+}