Pulling in operator=() to ScopedComPtr.

base/scoped_comptr_win_unittest.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <shlobj.h>
 
 #include "base/scoped_comptr_win.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST(ScopedComPtrTest, ScopedComPtr) {
@@ skipping 11 matching lines @@
     EXPECT_TRUE(unk2 != NULL);
 
     ScopedComPtr<IMalloc> mem_alloc;
     EXPECT_TRUE(SUCCEEDED(CoGetMalloc(1, mem_alloc.Receive())));
 
     // test ScopedComPtr& constructor
     ScopedComPtr<IMalloc> copy1(mem_alloc);
     EXPECT_TRUE(copy1.IsSameObject(mem_alloc));
     EXPECT_FALSE(copy1.IsSameObject(unk2));  // unk2 is valid but different
     EXPECT_FALSE(copy1.IsSameObject(unk));  // unk is NULL
+
+    IMalloc* naked_copy = copy1.Detach();
+    copy1 = naked_copy;  // Test the =(T*) operator.
+    naked_copy->Release();
+
     copy1.Release();
     EXPECT_FALSE(copy1.IsSameObject(unk2));  // unk2 is valid, copy1 is not
 
     // test Interface* constructor
     ScopedComPtr<IMalloc> copy2(static_cast<IMalloc*>(mem_alloc));
     EXPECT_TRUE(copy2.IsSameObject(mem_alloc));
 
     EXPECT_TRUE(SUCCEEDED(unk.QueryFrom(mem_alloc)));
     EXPECT_TRUE(unk != NULL);
     unk.Release();
     EXPECT_TRUE(unk == NULL);
     EXPECT_TRUE(unk.IsSameObject(copy1));  // both are NULL
   }
 
   ::CoUninitialize();
 }