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Ticket 10988 - Filtered adaptor should only require SinglePassRange.

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Neil Groves
2015-02-01 19:05:58 +00:00
parent 6f11252633
commit 4a80ccd50d
8 changed files with 53 additions and 182 deletions
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test/compile_fail/adaptor/filtered_concept.cpp
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// 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
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// 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
-38
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@@ -1,38 +0,0 @@
// 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
-38
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@@ -1,38 +0,0 @@
// 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();
}