Spys with mirrors!

pkg/unittest/test/mock_test.dart

 // Copyright (c) 2012, 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 mock_test;
 import 'package:unittest/unittest.dart';
 import 'package:unittest/mock.dart';
 
 class MockList extends Mock implements List {
 }
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     m.when(callsTo("foo", "bar", "mock")).alwaysReturn("C");
     m.when(callsTo("foo")).thenReturn("A");
     m.when(callsTo("foo", "bar")).thenReturn("B");
     expect(m.foo("bar", "mock"), "C");
     expect(m.foo("bar", "mock"), "C");
     expect(m.foo("bar", "mock"), "C");
     expect(m.foo("bar", "mock"), "C");
     m.resetBehavior();
   });
+
+  solo_test('Spys', () {
+    var real = new Foo();
+    var spy = new Mock.spy(real);
+    var sum = spy.sum(1, 2, 3);
+    expect(sum, 6);
+    expect(() => spy.total(1, 2, 3), throwsNoSuchMethodError);
+    spy.getLogs(callsTo('sum')).verify(happenedExactly(1));
+    spy.getLogs(callsTo('total')).verify(happenedExactly(1));
+  });
 }