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Add tests with lvalue inputs

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If the compiler supports forwarding references, we now test if lvalues can be used as input strings for split(), find_all(), and ifind_all().

Note that MSVC (without its recent /permissive- flag) may pass these tests without the forwarding references changes that I made, due to its non-standard binding of lvalues to rvalues.
This commit is contained in:
Ben10do
2018-08-01 22:42:18 +01:00
parent c6f784cb70
commit 5408a17020
1 changed files with 39 additions and 0 deletions
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39
string/test/split_test.cpp
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@ -7,6 +7,8 @@
// See http://www.boost.org for updates, documentation, and revision history. // See http://www.boost.org for updates, documentation, and revision history.
#include <boost/algorithm/string/config.hpp>
#include <boost/algorithm/string/split.hpp> #include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/classification.hpp> #include <boost/algorithm/string/classification.hpp>
// equals predicate is used for result comparison // equals predicate is used for result comparison
@ -82,6 +84,28 @@ void iterator_test()
string("xx") ); string("xx") );
deep_compare( tokens, vtokens ); deep_compare( tokens, vtokens );
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
// If using a compiler that supports forwarding references, we should be able to use lvalues, too
find_all(
tokens,
string("xx-abc--xx-abb"),
"xx" );
BOOST_REQUIRE( tokens.size()==2 );
BOOST_CHECK( tokens[0]==string("xx") );
BOOST_CHECK( tokens[1]==string("xx") );
ifind_all(
tokens,
string("Xx-abc--xX-abb-xx"),
"xx" );
BOOST_REQUIRE( tokens.size()==3 );
BOOST_CHECK( tokens[0]==string("Xx") );
BOOST_CHECK( tokens[1]==string("xX") );
BOOST_CHECK( tokens[2]==string("xx") );
#endif
// split tests // split tests
split( split(
tokens, tokens,
@ -144,6 +168,21 @@ void iterator_test()
BOOST_REQUIRE( tokens.size()==1 ); BOOST_REQUIRE( tokens.size()==1 );
BOOST_CHECK( tokens[0]==string("") ); BOOST_CHECK( tokens[0]==string("") );
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
// If using a compiler that supports forwarding references, we should be able to use lvalues, too
split(
tokens,
string("Xx-abc--xX-abb-xx"),
is_any_of("xX"),
token_compress_on );
BOOST_REQUIRE( tokens.size()==4 );
BOOST_CHECK( tokens[0]==string("") );
BOOST_CHECK( tokens[1]==string("-abc--") );
BOOST_CHECK( tokens[2]==string("-abb-") );
BOOST_CHECK( tokens[3]==string("") );
#endif
find_iterator<string::iterator> fiter=make_find_iterator(str1, first_finder("xx")); find_iterator<string::iterator> fiter=make_find_iterator(str1, first_finder("xx"));
find_iterator<string::iterator> fiter2; find_iterator<string::iterator> fiter2;