mirror of
https://github.com/boostorg/compat.git
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168 lines
6.1 KiB
C++
168 lines
6.1 KiB
C++
// Copyright 2024 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#if defined(__GNUC__) && __GNUC__ == 7
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# pragma GCC diagnostic ignored "-Wnoexcept-type"
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#endif
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#include <boost/compat/bind_front.hpp>
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#include <boost/config.hpp>
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#include <boost/config/pragma_message.hpp>
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#if defined(BOOST_NO_CXX14_CONSTEXPR)
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BOOST_PRAGMA_MESSAGE( "Test skipped because BOOST_NO_CXX14_CONSTEXPR is defined" )
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int main() {}
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#else
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#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
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#define BOOST_TEST_EQ(x, y) STATIC_ASSERT((x) == (y))
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struct X
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{
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constexpr int f0()
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{
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return -1;
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}
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constexpr int f1( int x1 ) noexcept
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{
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return x1;
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}
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constexpr int f2( int x1, int x2 ) const
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{
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return 10*x1+x2;
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}
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constexpr int f3( int x1, int x2, int x3 ) const noexcept
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{
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return 100*x1 + 10*x2 + x3;
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}
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};
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struct Y: public X
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{
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};
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int main()
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{
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{
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f0 )( X() ), -1 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f1 )( X(), 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2 )( X(), 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3 )( X(), 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f0, X() )(), -1 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f1, X() )( 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, X() )( 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, X() )( 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f1, X(), 1 )(), 1 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, X(), 1 )( 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, X(), 1 )( 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, X(), 1, 2 )(), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, X(), 1, 2 )( 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, X(), 1, 2, 3 )(), 123 );
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}
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{
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f0, Y() )(), -1 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f1, Y() )( 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, Y() )( 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, Y() )( 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f0, Y() )(), -1 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f1, Y() )( 1 ), 1 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, Y() )( 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, Y() )( 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f1, Y(), 1 )(), 1 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, Y(), 1 )( 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, Y(), 1 )( 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, Y(), 1, 2 )(), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, Y(), 1, 2 )( 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, Y(), 1, 2, 3 )(), 123 );
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}
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{
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constexpr X x = {};
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2 )( x, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3 )( x, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, x )( 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, x )( 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, x, 1 )( 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, x, 1 )( 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, x, 1, 2 )(), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, x, 1, 2 )( 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, x, 1, 2, 3 )(), 123 );
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}
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{
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constexpr X x = {};
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2 )( &x, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3 )( &x, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, &x )( 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, &x )( 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, &x, 1 )( 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, &x, 1 )( 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, &x, 1, 2 )(), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, &x, 1, 2 )( 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, &x, 1, 2, 3 )(), 123 );
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}
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{
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constexpr Y x = {};
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2 )( x, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3 )( x, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, x )( 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, x )( 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, x, 1 )( 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, x, 1 )( 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, x, 1, 2 )(), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, x, 1, 2 )( 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, x, 1, 2, 3 )(), 123 );
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}
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{
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constexpr Y x = {};
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2 )( &x, 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3 )( &x, 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, &x )( 1, 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, &x )( 1, 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, &x, 1 )( 2 ), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, &x, 1 )( 2, 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f2, &x, 1, 2 )(), 12 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, &x, 1, 2 )( 3 ), 123 );
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BOOST_TEST_EQ( boost::compat::bind_front( &X::f3, &x, 1, 2, 3 )(), 123 );
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}
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}
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#endif
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