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Add sv_find_test

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This commit is contained in:
Peter Dimov
2021-10-06 04:58:36 +03:00
parent f9fa1772f2
commit 09044f58d6
3 changed files with 132 additions and 1 deletions
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2
include/boost/core/string_view.hpp
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@ -351,7 +351,7 @@ public:
p = traits_type::find( p, last - p, s[0] );
if( p == 0 ) break;
if( last - p < n ) break;
if( static_cast<size_type>( last - p ) < n ) break;
if( traits_type::compare( p, s, n ) == 0 ) return p - data();

1
test/Jamfile.v2
View File

@ -256,6 +256,7 @@ run sv_substr_test.cpp ;
run sv_compare_test.cpp ;
run sv_starts_with_test.cpp ;
run sv_ends_with_test.cpp ;
run sv_find_test.cpp ;
use-project /boost/core/swap : ./swap ;
build-project ./swap ;

130
test/sv_find_test.cpp Normal file
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@ -0,0 +1,130 @@
// 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 <cstddef>
int main()
{
std::size_t const npos = boost::core::string_view::npos;
{
boost::core::string_view sv( "" );
BOOST_TEST_EQ( sv.find( boost::core::string_view() ), 0 );
BOOST_TEST_EQ( sv.find( boost::core::string_view(), 1 ), npos );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "" ) ), 0 );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "" ), 1 ), npos );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "1" ) ), npos );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "1" ), 1 ), npos );
BOOST_TEST_EQ( sv.find( '1' ), npos );
BOOST_TEST_EQ( sv.find( '1', 1 ), npos );
BOOST_TEST_EQ( sv.find( "" ), 0 );
BOOST_TEST_EQ( sv.find( "", 1 ), npos );
BOOST_TEST_EQ( sv.find( "1" ), npos );
BOOST_TEST_EQ( sv.find( "1", 1 ), npos );
BOOST_TEST_EQ( sv.find( "1", 0, 0 ), 0 );
BOOST_TEST_EQ( sv.find( "1", 1, 0 ), npos );
BOOST_TEST_EQ( sv.find( "1", 0, 1 ), npos );
BOOST_TEST_EQ( sv.find( "1", 1, 1 ), npos );
}
{
boost::core::string_view sv( "123123" );
BOOST_TEST_EQ( sv.find( boost::core::string_view() ), 0 );
BOOST_TEST_EQ( sv.find( boost::core::string_view(), 1 ), 1 );
BOOST_TEST_EQ( sv.find( boost::core::string_view(), 6 ), 6 );
BOOST_TEST_EQ( sv.find( boost::core::string_view(), 7 ), npos );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "" ) ), 0 );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "" ), 1 ), 1 );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "" ), 6 ), 6 );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "" ), 7 ), npos );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "1" ) ), 0 );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "1" ), 1 ), 3 );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "1" ), 3 ), 3 );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "1" ), 4 ), npos );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "1" ), 6 ), npos );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "1" ), 7 ), npos );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "23" ) ), 1 );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "23" ), 1 ), 1 );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "23" ), 2 ), 4 );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "23" ), 4 ), 4 );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "23" ), 5 ), npos );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "23" ), 6 ), npos );
BOOST_TEST_EQ( sv.find( boost::core::string_view( "23" ), 7 ), npos );
BOOST_TEST_EQ( sv.find( '1' ), 0 );
BOOST_TEST_EQ( sv.find( '1', 1 ), 3 );
BOOST_TEST_EQ( sv.find( '1', 2 ), 3 );
BOOST_TEST_EQ( sv.find( '1', 3 ), 3 );
BOOST_TEST_EQ( sv.find( '1', 4 ), npos );
BOOST_TEST_EQ( sv.find( '1', 5 ), npos );
BOOST_TEST_EQ( sv.find( '1', 6 ), npos );
BOOST_TEST_EQ( sv.find( '1', 7 ), npos );
BOOST_TEST_EQ( sv.find( '3' ), 2 );
BOOST_TEST_EQ( sv.find( '3', 1 ), 2 );
BOOST_TEST_EQ( sv.find( '3', 2 ), 2 );
BOOST_TEST_EQ( sv.find( '3', 3 ), 5 );
BOOST_TEST_EQ( sv.find( '3', 4 ), 5 );
BOOST_TEST_EQ( sv.find( '3', 5 ), 5 );
BOOST_TEST_EQ( sv.find( '3', 6 ), npos );
BOOST_TEST_EQ( sv.find( '3', 7 ), npos );
BOOST_TEST_EQ( sv.find( '9' ), npos );
BOOST_TEST_EQ( sv.find( "" ), 0 );
BOOST_TEST_EQ( sv.find( "", 1 ), 1 );
BOOST_TEST_EQ( sv.find( "", 6 ), 6 );
BOOST_TEST_EQ( sv.find( "", 7 ), npos );
BOOST_TEST_EQ( sv.find( "1" ), 0 );
BOOST_TEST_EQ( sv.find( "1", 1 ), 3 );
BOOST_TEST_EQ( sv.find( "1", 3 ), 3 );
BOOST_TEST_EQ( sv.find( "1", 4 ), npos );
BOOST_TEST_EQ( sv.find( "1", 6 ), npos );
BOOST_TEST_EQ( sv.find( "1", 7 ), npos );
BOOST_TEST_EQ( sv.find( "23" ), 1 );
BOOST_TEST_EQ( sv.find( "23", 1 ), 1 );
BOOST_TEST_EQ( sv.find( "23", 2 ), 4 );
BOOST_TEST_EQ( sv.find( "23", 4 ), 4 );
BOOST_TEST_EQ( sv.find( "23", 5 ), npos );
BOOST_TEST_EQ( sv.find( "23", 6 ), npos );
BOOST_TEST_EQ( sv.find( "23", 7 ), npos );
BOOST_TEST_EQ( sv.find( "123", 0, 0 ), 0 );
BOOST_TEST_EQ( sv.find( "123", 1, 0 ), 1 );
BOOST_TEST_EQ( sv.find( "123", 6, 0 ), 6 );
BOOST_TEST_EQ( sv.find( "123", 7, 0 ), npos );
BOOST_TEST_EQ( sv.find( "123", 0, 1 ), 0 );
BOOST_TEST_EQ( sv.find( "123", 1, 1 ), 3 );
BOOST_TEST_EQ( sv.find( "123", 3, 1 ), 3 );
BOOST_TEST_EQ( sv.find( "123", 4, 1 ), npos );
BOOST_TEST_EQ( sv.find( "123", 6, 1 ), npos );
BOOST_TEST_EQ( sv.find( "123", 7, 1 ), npos );
BOOST_TEST_EQ( sv.find( "123", 0, 3 ), 0 );
BOOST_TEST_EQ( sv.find( "123", 1, 3 ), 3 );
BOOST_TEST_EQ( sv.find( "123", 3, 3 ), 3 );
BOOST_TEST_EQ( sv.find( "123", 4, 3 ), npos );
BOOST_TEST_EQ( sv.find( "123", 6, 3 ), npos );
BOOST_TEST_EQ( sv.find( "123", 7, 3 ), npos );
}
return boost::report_errors();
}