libcxx

libcxx mirror with random patches
git clone https://git.neptards.moe/neptards/libcxx.git
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ctor.pass.cpp (1845B)


      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <locale>
     11 
     12 // wbuffer_convert<Codecvt, Elem, Tr>
     13 
     14 // wbuffer_convert(streambuf *bytebuf = 0, Codecvt *pcvt = new Codecvt,
     15 //                 state_type state = state_type());
     16 
     17 #include <locale>
     18 #include <codecvt>
     19 #include <sstream>
     20 #include <cassert>
     21 
     22 #include "test_macros.h"
     23 #include "count_new.hpp"
     24 
     25 int main()
     26 {
     27     typedef std::wbuffer_convert<std::codecvt_utf8<wchar_t> > B;
     28 #if TEST_STD_VER > 11
     29     static_assert(!std::is_convertible<std::streambuf*, B>::value, "");
     30     static_assert( std::is_constructible<B, std::streambuf*>::value, "");
     31 #endif
     32     {
     33         B b;
     34         assert(b.rdbuf() == nullptr);
     35         assert(globalMemCounter.checkOutstandingNewNotEq(0));
     36     }
     37     assert(globalMemCounter.checkOutstandingNewEq(0));
     38     {
     39         std::stringstream s;
     40         B b(s.rdbuf());
     41         assert(b.rdbuf() == s.rdbuf());
     42         assert(globalMemCounter.checkOutstandingNewNotEq(0));
     43     }
     44     assert(globalMemCounter.checkOutstandingNewEq(0));
     45     {
     46         std::stringstream s;
     47         B b(s.rdbuf(), new std::codecvt_utf8<wchar_t>);
     48         assert(b.rdbuf() == s.rdbuf());
     49         assert(globalMemCounter.checkOutstandingNewNotEq(0));
     50     }
     51     assert(globalMemCounter.checkOutstandingNewEq(0));
     52     {
     53         std::stringstream s;
     54         B b(s.rdbuf(), new std::codecvt_utf8<wchar_t>, std::mbstate_t());
     55         assert(b.rdbuf() == s.rdbuf());
     56         assert(globalMemCounter.checkOutstandingNewNotEq(0));
     57     }
     58     assert(globalMemCounter.checkOutstandingNewEq(0));
     59 }