Add BOOST_MINIMAL_INTEGER_COVER_OPERATORS to reduce coupling to boost/operators.hpp, make constructor from T explicit to eliminate unintended consequences, add logging feature, extend test coverage.

git-svn-id: http://svn.boost.org/svn/boost/sandbox/endian@48004 b8fc166d-592f-0410-95f2-cb63ce0dd405

libs/integer/test/endian_test.cpp

@@ -1,6 +1,6 @@
 //  endian_test.cpp  ---------------------------------------------------------//
 
-//  Copyright Beman Dawes, 1999-2006
+//  Copyright Beman Dawes, 1999-2008
 
 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -9,6 +9,13 @@
 
 //----------------------------------------------------------------------------//
 
+//  This test probes for correct endianess, size, and value.
+
+//  See endian_operations_test for tests of operator correctness and interaction
+//  between operand types.
+
+//----------------------------------------------------------------------------//
+
 #include <boost/integer/endian.hpp>
 #include <boost/cstdint.hpp>
 #include <boost/progress.hpp>
@@ -19,9 +26,10 @@
 #include <cstdlib>    // for atoi(), exit()
 #include <cstring>    // for memcmp()
 
-using namespace std;             // not the best programming practice, but I
+using namespace std;             // Not the best programming practice, but I
 using namespace boost;           //   want to verify this combination of using
-using namespace boost::integer;  //   namespaces works.
+using namespace boost::integer;  //   namespaces works. See endian_operations_test
+//                               //   for tests that don't do "using namespace".
 
 #define VERIFY(predicate) verify( predicate, __LINE__ )
 #define VERIFY_SIZE(actual, expected) verify_size( actual, expected, __LINE__ )
@@ -72,8 +80,8 @@ namespace
   void verify_representation( bool is_big, int line )
   {
     int silence = 0;
-    Endian x = static_cast<typename Endian::value_type>
-      (0x123456789abcdef0LL + silence); // will truncate
+    Endian x ( static_cast<typename Endian::value_type>
+      (0x123456789abcdef0LL + silence) ); // will truncate
 
     if ( is_big )
       verify( memcmp( &x,
@@ -93,8 +101,6 @@ namespace
 #   endif
   }
 
-
-
   //  detect_endianness  -----------------------------------------------------//
 
   void detect_endianness()