Ticket 9851 - adaptors should perform concept check assertions.

test/Jamfile.v2

@@ -32,6 +32,30 @@ rule range-test ( name : includes * )
 
 test-suite range :
     [ compile-fail compile_fail/iterator_range1.cpp ]
+    [ compile-fail compile_fail/adaptor/adjacent_filtered_concept.cpp ]
+    [ compile-fail compile_fail/adaptor/adjacent_filtered_concept2.cpp ]
+    [ compile-fail compile_fail/adaptor/adjacent_filtered_concept3.cpp ]
+    [ compile-fail compile_fail/adaptor/adjacent_filtered_concept4.cpp ]
+    [ compile-fail compile_fail/adaptor/copied_concept.cpp ]
+    [ compile-fail compile_fail/adaptor/copied_concept2.cpp ]
+    [ compile-fail compile_fail/adaptor/copied_concept3.cpp ]
+    [ compile-fail compile_fail/adaptor/copied_concept4.cpp ]
+    [ compile-fail compile_fail/adaptor/filtered_concept.cpp ]
+    [ compile-fail compile_fail/adaptor/filtered_concept2.cpp ]
+    [ compile-fail compile_fail/adaptor/filtered_concept3.cpp ]
+    [ compile-fail compile_fail/adaptor/filtered_concept4.cpp ]
+    [ compile-fail compile_fail/adaptor/reversed_concept.cpp ]
+    [ compile-fail compile_fail/adaptor/reversed_concept2.cpp ]
+    [ compile-fail compile_fail/adaptor/reversed_concept3.cpp ]
+    [ compile-fail compile_fail/adaptor/reversed_concept4.cpp ]
+    [ compile-fail compile_fail/adaptor/sliced_concept.cpp ]
+    [ compile-fail compile_fail/adaptor/sliced_concept2.cpp ]
+    [ compile-fail compile_fail/adaptor/sliced_concept3.cpp ]
+    [ compile-fail compile_fail/adaptor/sliced_concept4.cpp ]
+    [ compile-fail compile_fail/adaptor/uniqued_concept.cpp ]
+    [ compile-fail compile_fail/adaptor/uniqued_concept2.cpp ]
+    [ compile-fail compile_fail/adaptor/uniqued_concept3.cpp ]
+    [ compile-fail compile_fail/adaptor/uniqued_concept4.cpp ]
     [ range-test adaptor_test/adjacent_filtered ]
     [ range-test adaptor_test/copied ]
     [ range-test adaptor_test/filtered ]

test/compile_fail/adaptor/adjacent_filtered_concept.cpp

@@ -0,0 +1,39 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/adjacent_filtered.hpp>
+
+namespace
+{
+
+struct always_true
+{
+    typedef bool result_type;
+
+    bool operator()(int, int) const
+    {
+        return true;
+    }
+};
+
+} // anonymous namespace
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+    using boost::adaptors::adjacent_filtered;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adjacent_filtered adaptor takes at least a
+    // ForwardRange.
+    return (mock_range<boost::single_pass_traversal_tag>() |
+                adjacent_filtered(always_true())).front();
+}

test/compile_fail/adaptor/adjacent_filtered_concept2.cpp

@@ -0,0 +1,39 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/adjacent_filtered.hpp>
+
+namespace
+{
+
+struct always_true
+{
+    typedef bool result_type;
+
+    bool operator()(int, int) const
+    {
+        return true;
+    }
+};
+
+} // anonymous namespace
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+    using boost::adaptors::adjacent_filtered;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adjacent_filtered adaptor takes at least a
+    // ForwardRange.
+    return (mock_const_range<boost::single_pass_traversal_tag>() |
+                adjacent_filtered(always_true())).front();
+}

test/compile_fail/adaptor/adjacent_filtered_concept3.cpp

@@ -0,0 +1,40 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/adjacent_filtered.hpp>
+
+namespace
+{
+
+struct always_true
+{
+    typedef bool result_type;
+
+    bool operator()(int, int) const
+    {
+        return true;
+    }
+};
+
+} // anonymous namespace
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+    using boost::adaptors::adjacent_filter;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adjacent_filtered adaptor takes at least a
+    // ForwardRange.
+    return adjacent_filter(
+            mock_range<boost::single_pass_traversal_tag>(),
+            always_true()).front();
+}

test/compile_fail/adaptor/adjacent_filtered_concept4.cpp

@@ -0,0 +1,40 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/adjacent_filtered.hpp>
+
+namespace
+{
+
+struct always_true
+{
+    typedef bool result_type;
+
+    bool operator()(int, int) const
+    {
+        return true;
+    }
+};
+
+} // anonymous namespace
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+    using boost::adaptors::adjacent_filter;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adjacent_filtered adaptor takes at least a
+    // ForwardRange.
+    return adjacent_filter(
+            mock_const_range<boost::single_pass_traversal_tag>(),
+            always_true()).front();
+}

test/compile_fail/adaptor/copied_concept.cpp

@@ -0,0 +1,24 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/iterator/iterator_categories.hpp>
+#include <boost/range/adaptor/copied.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+    using boost::adaptors::copied;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a RandomAccessRange.
+    return (mock_range<boost::bidirectional_traversal_tag>() |
+                copied(0,1)).front();
+}

test/compile_fail/adaptor/copied_concept2.cpp

@@ -0,0 +1,24 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/iterator/iterator_categories.hpp>
+#include <boost/range/adaptor/copied.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+    using boost::adaptors::copied;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a RandomAccessRange.
+    return (mock_const_range<boost::bidirectional_traversal_tag>() |
+                copied(0,1)).front();
+}

test/compile_fail/adaptor/copied_concept3.cpp

@@ -0,0 +1,23 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/iterator/iterator_categories.hpp>
+#include <boost/range/adaptor/copied.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a RandomAccessRange.
+    return boost::adaptors::copy(
+        mock_range<boost::bidirectional_traversal_tag>(), 0, 1).front();
+}

test/compile_fail/adaptor/copied_concept4.cpp

@@ -0,0 +1,24 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/iterator/iterator_categories.hpp>
+#include <boost/range/adaptor/copied.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a RandomAccessRange.
+    return boost::adaptors::copy(
+        mock_const_range<boost::bidirectional_traversal_tag>(),
+                                 0, 1).front();
+}

test/compile_fail/adaptor/filtered_concept.cpp

@@ -0,0 +1,38 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/filtered.hpp>
+
+namespace
+{
+
+struct always_true
+{
+    typedef bool result_type;
+
+    bool operator()(int) const
+    {
+        return true;
+    }
+};
+
+} // anonymous namespace
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+    using boost::adaptors::filtered;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the filtered adaptor takes at least a ForwardRange.
+    return (mock_range<boost::single_pass_traversal_tag>() |
+                filtered(always_true())).front();
+}

test/compile_fail/adaptor/filtered_concept2.cpp

@@ -0,0 +1,38 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/filtered.hpp>
+
+namespace
+{
+
+struct always_true
+{
+    typedef bool result_type;
+
+    bool operator()(int) const
+    {
+        return true;
+    }
+};
+
+} // anonymous namespace
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+    using boost::adaptors::filtered;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the filtered adaptor takes at least a ForwardRange.
+    return (mock_const_range<boost::single_pass_traversal_tag>() |
+                filtered(always_true())).front();
+}

test/compile_fail/adaptor/filtered_concept3.cpp

@@ -0,0 +1,38 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/filtered.hpp>
+
+namespace
+{
+
+struct always_true
+{
+    typedef bool result_type;
+
+    bool operator()(int) const
+    {
+        return true;
+    }
+};
+
+} // anonymous namespace
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the filtered adaptor takes at least a ForwardRange.
+    return boost::adaptors::filter(
+        mock_range<boost::single_pass_traversal_tag>(),
+        always_true()).front();
+}

test/compile_fail/adaptor/filtered_concept4.cpp

@@ -0,0 +1,38 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/filtered.hpp>
+
+namespace
+{
+
+struct always_true
+{
+    typedef bool result_type;
+
+    bool operator()(int) const
+    {
+        return true;
+    }
+};
+
+} // anonymous namespace
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the filtered adaptor takes at least a ForwardRange.
+    return boost::adaptors::filter(
+        mock_const_range<boost::single_pass_traversal_tag>(),
+        always_true()).front();
+}

test/compile_fail/adaptor/mock_iterator.hpp

@@ -0,0 +1,82 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+#ifndef BOOST_RANGE_UNIT_TEST_ADAPTOR_MOCK_ITERATOR_HPP_INCLUDED
+#define BOOST_RANGE_UNIT_TEST_ADAPTOR_MOCK_ITERATOR_HPP_INCLUDED
+
+#include <boost/iterator/iterator_facade.hpp>
+
+namespace boost
+{
+    namespace range
+    {
+        namespace unit_test
+        {
+
+template<typename TraversalTag>
+class mock_iterator
+        : public boost::iterator_facade<
+                    mock_iterator<TraversalTag>,
+                    int,
+                    TraversalTag,
+                    const int&
+        >
+{
+public:
+    mock_iterator()
+        : m_value(0)
+    {
+    }
+
+    explicit mock_iterator(int value)
+        : m_value(value)
+    {
+    }
+
+private:
+
+    void increment()
+    {
+        ++m_value;
+    }
+
+    void decrement()
+    {
+        --m_value;
+    }
+
+    bool equal(const mock_iterator& other) const
+    {
+        return m_value == other.m_value;
+    }
+
+    void advance(std::ptrdiff_t offset)
+    {
+        m_value += offset;
+    }
+
+    std::ptrdiff_t distance_to(const mock_iterator& other) const
+    {
+        return other.m_value - m_value;
+    }
+
+    const int& dereference() const
+    {
+        return m_value;
+    }
+
+    int m_value;
+    friend class boost::iterator_core_access;
+};
+
+        } // namespace unit_test
+    } // namespace range
+} // namespace boost
+
+#endif // include guard

test/compile_fail/adaptor/mock_range.hpp

@@ -0,0 +1,50 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+#ifndef BOOST_RANGE_UNIT_TEST_ADAPTOR_MOCK_RANGE_HPP_INCLUDED
+#define BOOST_RANGE_UNIT_TEST_ADAPTOR_MOCK_RANGE_HPP_INCLUDED
+
+#include "mock_iterator.hpp"
+#include <boost/range/iterator_range_core.hpp>
+
+namespace boost
+{
+    namespace range
+    {
+        namespace unit_test
+        {
+
+// Make a non-empty range that models the corresponding range concept.
+// This is only useful in unit tests. It is main use is to help test concepts
+// assertions are present.
+template<typename TraversalTag>
+iterator_range<mock_iterator<TraversalTag> >&
+    mock_range()
+{
+    static iterator_range<mock_iterator<TraversalTag> > instance(
+                mock_iterator<TraversalTag>(0),
+                mock_iterator<TraversalTag>(1));
+    return instance;
+}
+
+template<typename TraversalTag>
+const iterator_range<mock_iterator<TraversalTag> >&
+    mock_const_range()
+{
+    static iterator_range<mock_iterator<TraversalTag> > instance(
+                mock_iterator<TraversalTag>(0),
+                mock_iterator<TraversalTag>(1));
+    return instance;
+}
+
+        } // namespace unit_test
+    } // namespace range
+} // namespace boost
+
+#endif // include guard

test/compile_fail/adaptor/reversed_concept.cpp

@@ -0,0 +1,23 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/reversed.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+    using boost::adaptors::reversed;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a BidirectionalRange.
+    return (mock_range<boost::forward_traversal_tag>() | reversed).front();
+}
+ 

test/compile_fail/adaptor/reversed_concept2.cpp

@@ -0,0 +1,23 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/reversed.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+    using boost::adaptors::reversed;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a BidirectionalRange.
+    return (mock_const_range<boost::forward_traversal_tag>() | reversed).front();
+}
+ 

test/compile_fail/adaptor/reversed_concept3.cpp

@@ -0,0 +1,23 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/reversed.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a BidirectionalRange.
+    return boost::adaptors::reverse(
+        mock_range<boost::forward_traversal_tag>()).front();
+}
+ 

test/compile_fail/adaptor/reversed_concept4.cpp

@@ -0,0 +1,23 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/reversed.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a BidirectionalRange.
+    return boost::adaptors::reverse(
+        mock_const_range<boost::forward_traversal_tag>()).front();
+}
+ 

test/compile_fail/adaptor/sliced_concept.cpp

@@ -0,0 +1,23 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/sliced.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+    using boost::adaptors::sliced;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a RandomAccessRange.
+    return (mock_range<boost::bidirectional_traversal_tag>() |
+                sliced(0,1)).front();
+}

test/compile_fail/adaptor/sliced_concept2.cpp

@@ -0,0 +1,23 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/sliced.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+    using boost::adaptors::sliced;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a RandomAccessRange.
+    return (mock_const_range<boost::bidirectional_traversal_tag>() |
+                sliced(0,1)).front();
+}

test/compile_fail/adaptor/sliced_concept3.cpp

@@ -0,0 +1,22 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/sliced.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a RandomAccessRange.
+    return boost::adaptors::slice(
+        mock_range<boost::bidirectional_traversal_tag>(), 0, 1).front();
+}

test/compile_fail/adaptor/sliced_concept4.cpp

@@ -0,0 +1,22 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/sliced.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a RandomAccessRange.
+    return boost::adaptors::slice(
+        mock_const_range<boost::bidirectional_traversal_tag>(), 0, 1).front();
+}

test/compile_fail/adaptor/uniqued_concept.cpp

@@ -0,0 +1,22 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/uniqued.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+    using boost::adaptors::uniqued;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a ForwardRange.
+    return (mock_range<boost::single_pass_traversal_tag>() | uniqued).front();
+}

test/compile_fail/adaptor/uniqued_concept2.cpp

@@ -0,0 +1,23 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/uniqued.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+    using boost::adaptors::uniqued;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a ForwardRange.
+    return (mock_const_range<boost::single_pass_traversal_tag>() |
+                uniqued).front();
+}

test/compile_fail/adaptor/uniqued_concept3.cpp

@@ -0,0 +1,22 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/uniqued.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_range;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a ForwardRange.
+    return boost::adaptors::unique(
+        mock_range<boost::single_pass_traversal_tag>()).front();
+}

test/compile_fail/adaptor/uniqued_concept4.cpp

@@ -0,0 +1,22 @@
+// Boost.Range library
+//
+// Copyright Neil Groves 2014. Use, modification and distribution is subject
+// to 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)
+//
+// For more information, see http://www.boost.org/libs/range
+//
+
+#include "mock_range.hpp"
+#include <boost/range/adaptor/uniqued.hpp>
+
+int main(int, const char**)
+{
+    using boost::range::unit_test::mock_const_range;
+
+    // This next line should fail when Boost.Range concept checking is
+    // enabled since the adaptor takes at least a ForwardRange.
+    return boost::adaptors::unique(
+        mock_const_range<boost::single_pass_traversal_tag>()).front();
+}