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Add sv_construct_test

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This commit is contained in:
Peter Dimov
2021-10-04 17:25:34 +03:00
parent 95924b1329
commit 7d05dfa87d
3 changed files with 316 additions and 6 deletions
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16
include/boost/core/string_view.hpp
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@ -13,7 +13,10 @@
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/core/enable_if.hpp>
#include <boost/core/is_same.hpp>
#include <boost/assert.hpp>
#include <boost/assert/source_location.hpp>
#include <boost/throw_exception.hpp>
#include <boost/config.hpp>
#include <string>
@ -75,7 +78,8 @@ public:
{
}
BOOST_CXX14_CONSTEXPR basic_string_view( Ch const* begin, Ch const* end ) BOOST_NOEXCEPT: p_( begin ), n_( end - begin )
template<class End> BOOST_CXX14_CONSTEXPR basic_string_view( Ch const* begin, End end,
typename boost::enable_if<is_same<End, Ch const*> >::type* = 0 ) BOOST_NOEXCEPT: p_( begin ), n_( end - begin )
{
BOOST_ASSERT( end - begin >= 0 );
}
@ -160,13 +164,13 @@ public:
// element access
BOOST_CONSTEXPR const_reference operator[]( size_type pos ) const BOOST_NOEXCEPT
BOOST_CXX14_CONSTEXPR const_reference operator[]( size_type pos ) const BOOST_NOEXCEPT
{
BOOST_ASSERT( pos < size() );
return p_[ pos ];
}
BOOST_CONSTEXPR const_reference at( size_type pos ) const
BOOST_CXX14_CONSTEXPR const_reference at( size_type pos ) const
{
if( pos >= size() )
{
@ -176,13 +180,13 @@ public:
return p_[ pos ];
}
BOOST_CONSTEXPR const_reference front() const BOOST_NOEXCEPT
BOOST_CXX14_CONSTEXPR const_reference front() const BOOST_NOEXCEPT
{
BOOST_ASSERT( !empty() );
return p_[ 0 ];
}
BOOST_CONSTEXPR const_reference back() const BOOST_NOEXCEPT
BOOST_CXX14_CONSTEXPR const_reference back() const BOOST_NOEXCEPT
{
BOOST_ASSERT( !empty() );
return p_[ n_ - 1 ];
@ -516,7 +520,7 @@ public:
}
return npos;
}
}
BOOST_CONSTEXPR size_type find_last_not_of( Ch c, size_type pos = npos ) const BOOST_NOEXCEPT
{

1
test/Jamfile.v2
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@ -248,6 +248,7 @@ run bit_endian_test.cpp ;
run type_name_test.cpp ;
run sv_types_test.cpp ;
run sv_construct_test.cpp ;
use-project /boost/core/swap : ./swap ;
build-project ./swap ;

305
test/sv_construct_test.cpp Normal file
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@ -0,0 +1,305 @@
// Copyright 2021 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/core/string_view.hpp>
#include <boost/core/lightweight_test.hpp>
#include <iterator>
#include <string>
#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
# include <string_view>
#endif
template<class It> std::reverse_iterator<It> make_reverse_iterator( It it )
{
return std::reverse_iterator<It>( it );
}
int main()
{
{
boost::core::string_view sv;
BOOST_TEST_EQ( sv.data(), static_cast<char const*>(0) );
BOOST_TEST_EQ( sv.size(), 0 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
}
{
char const* s = "";
boost::core::string_view sv( s );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 0 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
char const* s = "123";
boost::core::string_view sv( s );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 3 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
char const* s = "123";
boost::core::string_view sv( s, 0 );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 0 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
char const* s = "123";
boost::core::string_view sv( s, 2 );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 2 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
char const* s = "123";
boost::core::string_view sv( s, s );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 0 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
char const* s = "123";
boost::core::string_view sv( s, s + 2 );
BOOST_TEST_EQ( sv.data(), s );
BOOST_TEST_EQ( sv.size(), 2 );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
{
std::string str = "123";
boost::core::string_view sv( str );
BOOST_TEST_EQ( sv.data(), str.data() );
BOOST_TEST_EQ( sv.size(), str.size() );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
{
std::string_view str = "123";
boost::core::string_view sv( str );
BOOST_TEST_EQ( sv.data(), str.data() );
BOOST_TEST_EQ( sv.size(), str.size() );
BOOST_TEST_EQ( sv.begin(), sv.data() );
BOOST_TEST_EQ( sv.end(), sv.data() + sv.size() );
BOOST_TEST_EQ( sv.cbegin(), sv.data() );
BOOST_TEST_EQ( sv.cend(), sv.data() + sv.size() );
BOOST_TEST( sv.rbegin() == ::make_reverse_iterator( sv.begin() ) );
BOOST_TEST( sv.rend() == ::make_reverse_iterator( sv.end() ) );
BOOST_TEST( sv.crbegin() == ::make_reverse_iterator( sv.cbegin() ) );
BOOST_TEST( sv.crend() == ::make_reverse_iterator( sv.cend() ) );
BOOST_TEST_EQ( sv.length(), sv.size() );
BOOST_TEST_EQ( sv.empty(), sv.size() == 0 );
BOOST_TEST_EQ( sv.max_size(), boost::core::string_view::npos );
if( !sv.empty() )
{
BOOST_TEST_EQ( &sv.front(), sv.data() );
BOOST_TEST_EQ( &sv.back(), sv.data() + sv.size() - 1 );
}
}
#endif
return boost::report_errors();
}