From f596092bac04939f1f4a3d50a1d71474dc0bbff8 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Tue, 19 Feb 2008 13:18:58 +0000
Subject: [PATCH] Fixes #1590.

[SVN r43316]
---
 shared_ptr.htm           | 10 +++++-----
 test/shared_ptr_test.cpp | 12 ++++++++++++
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/shared_ptr.htm b/shared_ptr.htm
index e108278..a752629 100644
--- a/shared_ptr.htm
+++ b/shared_ptr.htm
@@ -373,8 +373,8 @@ q = p;
 		<pre>long use_count() const; // never throws</pre>
 		<blockquote>
 			<p><b>Returns:</b> the number of <b>shared_ptr</b> objects, <STRONG>*this</STRONG> included, 
-				that <i>share ownership</i> with <b>*this</b>, or an unspecified nonnegative 
-				value when <STRONG>*this</STRONG> is <EM>empty</EM>.</p>
+				that <i>share ownership</i> with <b>*this</b>, or 0 when <STRONG>*this</STRONG>
+				is <EM>empty</EM>.</p>
 			<p><b>Throws:</b> nothing.</p>
 			<P><B>Notes:</B> <code>use_count()</code> is not necessarily efficient. Use only 
 				for debugging and testing purposes, not for production code.</P>
@@ -709,8 +709,8 @@ int * p = a.release();
 		<p>
 			$Date$</p>
 		<p><small>Copyright 1999 Greg Colvin and Beman Dawes. Copyright 2002 Darin Adler. 
-			Copyright 2002-2005 Peter Dimov. Distributed under the Boost Software License, Version 
-			1.0. See accompanying file <A href="../../LICENSE_1_0.txt">LICENSE_1_0.txt</A> or 
-			copy at <A href="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</A>.</small></p>
+				Copyright 2002-2005 Peter Dimov. Distributed under the Boost Software License, 
+				Version 1.0. See accompanying file <A href="../../LICENSE_1_0.txt">LICENSE_1_0.txt</A>
+				or copy at <A href="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</A>.</small></p>
 	</body>
 </html>
diff --git a/test/shared_ptr_test.cpp b/test/shared_ptr_test.cpp
index 2f852ea..f697192 100644
--- a/test/shared_ptr_test.cpp
+++ b/test/shared_ptr_test.cpp
@@ -62,6 +62,7 @@ void default_constructor()
         BOOST_TEST(pi? false: true);
         BOOST_TEST(!pi);
         BOOST_TEST(pi.get() == 0);
+        BOOST_TEST(pi.use_count() == 0);
     }
 
     {
@@ -69,6 +70,7 @@ void default_constructor()
         BOOST_TEST(pv? false: true);
         BOOST_TEST(!pv);
         BOOST_TEST(pv.get() == 0);
+        BOOST_TEST(pv.use_count() == 0);
     }
 
     {
@@ -76,6 +78,7 @@ void default_constructor()
         BOOST_TEST(px? false: true);
         BOOST_TEST(!px);
         BOOST_TEST(px.get() == 0);
+        BOOST_TEST(px.use_count() == 0);
     }
 }
 
@@ -1565,6 +1568,7 @@ void plain_reset()
         BOOST_TEST(pi? false: true);
         BOOST_TEST(!pi);
         BOOST_TEST(pi.get() == 0);
+        BOOST_TEST(pi.use_count() == 0);
     }
 
     {
@@ -1573,6 +1577,7 @@ void plain_reset()
         BOOST_TEST(pi? false: true);
         BOOST_TEST(!pi);
         BOOST_TEST(pi.get() == 0);
+        BOOST_TEST(pi.use_count() == 0);
     }
 
     {
@@ -1581,6 +1586,7 @@ void plain_reset()
         BOOST_TEST(pi? false: true);
         BOOST_TEST(!pi);
         BOOST_TEST(pi.get() == 0);
+        BOOST_TEST(pi.use_count() == 0);
     }
 
     {
@@ -1589,6 +1595,7 @@ void plain_reset()
         BOOST_TEST(px? false: true);
         BOOST_TEST(!px);
         BOOST_TEST(px.get() == 0);
+        BOOST_TEST(px.use_count() == 0);
     }
 
     {
@@ -1597,6 +1604,7 @@ void plain_reset()
         BOOST_TEST(px? false: true);
         BOOST_TEST(!px);
         BOOST_TEST(px.get() == 0);
+        BOOST_TEST(px.use_count() == 0);
     }
 
     {
@@ -1605,6 +1613,7 @@ void plain_reset()
         BOOST_TEST(px? false: true);
         BOOST_TEST(!px);
         BOOST_TEST(px.get() == 0);
+        BOOST_TEST(px.use_count() == 0);
     }
 
     {
@@ -1615,6 +1624,7 @@ void plain_reset()
         BOOST_TEST(px? false: true);
         BOOST_TEST(!px);
         BOOST_TEST(px.get() == 0);
+        BOOST_TEST(px.use_count() == 0);
         BOOST_TEST(X::instances == 0);
     }
 
@@ -1624,6 +1634,7 @@ void plain_reset()
         BOOST_TEST(pv? false: true);
         BOOST_TEST(!pv);
         BOOST_TEST(pv.get() == 0);
+        BOOST_TEST(pv.use_count() == 0);
     }
 
     {
@@ -1634,6 +1645,7 @@ void plain_reset()
         BOOST_TEST(pv? false: true);
         BOOST_TEST(!pv);
         BOOST_TEST(pv.get() == 0);
+        BOOST_TEST(pv.use_count() == 0);
         BOOST_TEST(X::instances == 0);
     }
 }