Fixes. Remove some Boost.MPL usages. Remove unused includes.

test/detail/zip_iterator_test.ipp

@@ -8,7 +8,6 @@
 
 #include <boost/core/lightweight_test.hpp>
 
-#include <boost/type_traits/is_integral.hpp>
 #include <boost/assign/list_of.hpp>
 #include <boost/fusion/include/at.hpp>
 #include <boost/iterator/zip_iterator.hpp>

test/iterator_adaptor_test.cpp

@@ -210,8 +210,8 @@ main()
     test = static_assert_same<Iter1::difference_type, std::ptrdiff_t>::value;
 #if !BOOST_WORKAROUND(__MWERKS__, <= 0x2407)
     static_assert(
-      std::is_convertible<Iter1::iterator_category, std::random_access_iterator_tag>::value,
-      "Iter1::iterator_category must be convertible to std::random_access_iterator_tag."
+        std::is_convertible<Iter1::iterator_category, std::random_access_iterator_tag>::value,
+        "Iterator must have a random access category."
     );
 #endif
   }
@@ -225,7 +225,7 @@ main()
 #if !BOOST_WORKAROUND(__MWERKS__, <= 0x2407)
     static_assert(boost::is_readable_iterator<Iter1>::value, "Iter1 is expected to be readable.");
 # ifndef BOOST_NO_LVALUE_RETURN_DETECTION
-    static_assert(boost::is_lvalue_iterator<Iter1>::value, "Iter1 is expected to be lvalue.");
+    static_assert(boost::is_lvalue_iterator<Iter1>::value, "Iter1 is expected to be lvalue iterator.");
 # endif
 #endif
 

test/permutation_iterator_test.cpp

@@ -43,6 +43,8 @@ void permutation_test()
   const int element_range_size = 10;
   const int index_size = 7;
 
+  static_assert(index_size < element_range_size, "The permutation of some elements is checked.");
+
   element_range_type elements( element_range_size );
   for( element_range_type::iterator el_it = elements.begin(); el_it != elements.end(); ++el_it )
     { *el_it = std::distance(elements.begin(), el_it); }

test/range_distance_compat_test.cpp

@@ -5,7 +5,6 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 
 #include <boost/range/distance.hpp>
-#include <boost/type_traits/is_integral.hpp>
 #include <boost/range/iterator_range_core.hpp>
 #include <boost/iterator/distance.hpp>