Home | History | Annotate | Download | only in basic.ios.members 
      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 // REQUIRES: locale.fr_FR.UTF-8
     11 
     12 // <ios>
     13 
     14 // template <class charT, class traits> class basic_ios
     15 
     16 // void move(basic_ios&& rhs);
     17 
     18 #include <ios>
     19 #include <streambuf>
     20 #include <cassert>
     21 
     22 #include "platform_support.h" // locale name macros
     23 
     24 struct testbuf
     25     : public std::streambuf
     26 {
     27 };
     28 
     29 struct testios
     30     : public std::ios
     31 {
     32     testios() {}
     33     testios(std::streambuf* p) : std::ios(p) {}
     34     void move(std::ios& x) {std::ios::move(x);}
     35 };
     36 
     37 bool f1_called = false;
     38 bool f2_called = false;
     39 
     40 bool g1_called = false;
     41 bool g2_called = false;
     42 bool g3_called = false;
     43 
     44 void f1(std::ios_base::event ev, std::ios_base& stream, int index)
     45 {
     46     f1_called = true;
     47 }
     48 
     49 void f2(std::ios_base::event ev, std::ios_base& stream, int index)
     50 {
     51     f2_called = true;
     52 }
     53 
     54 void g1(std::ios_base::event ev, std::ios_base& stream, int index)
     55 {
     56     if (ev == std::ios_base::imbue_event)
     57     {
     58         assert(index == 7);
     59         g1_called = true;
     60     }
     61 }
     62 
     63 void g2(std::ios_base::event ev, std::ios_base& stream, int index)
     64 {
     65     if (ev == std::ios_base::imbue_event)
     66     {
     67         assert(index == 8);
     68         g2_called = true;
     69     }
     70 }
     71 
     72 void g3(std::ios_base::event ev, std::ios_base& stream, int index)
     73 {
     74     if (ev == std::ios_base::imbue_event)
     75     {
     76         assert(index == 9);
     77         g3_called = true;
     78     }
     79 }
     80 
     81 int main()
     82 {
     83     testios ios1;
     84     testbuf sb2;
     85     std::ios ios2(&sb2);
     86     ios2.flags(std::ios::showpoint | std::ios::uppercase);
     87     ios2.precision(2);
     88     ios2.width(12);
     89     ios2.imbue(std::locale(LOCALE_fr_FR_UTF_8));
     90     ios2.exceptions(std::ios::eofbit);
     91     ios2.setstate(std::ios::goodbit);
     92     ios2.register_callback(g1, 7);
     93     ios2.register_callback(g2, 8);
     94     ios2.register_callback(g3, 9);
     95     ios2.iword(0) = 4;
     96     ios2.iword(1) = 5;
     97     ios2.iword(2) = 6;
     98     ios2.iword(3) = 7;
     99     ios2.iword(4) = 8;
    100     ios2.iword(5) = 9;
    101     char d1, d2;
    102     ios2.pword(0) = &d1;
    103     ios2.pword(1) = &d2;
    104     ios2.tie((std::ostream*)2);
    105     ios2.fill('2');
    106 
    107     ios1.move(ios2);
    108 
    109     assert(ios1.rdstate() == std::ios::goodbit);
    110     assert(ios1.rdbuf() == 0);
    111     assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase));
    112     assert(ios1.precision() == 2);
    113     assert(ios1.width() == 12);
    114     assert(ios1.getloc().name() == LOCALE_fr_FR_UTF_8);
    115     assert(ios1.exceptions() == std::ios::eofbit);
    116     assert(!f1_called);
    117     assert(!f2_called);
    118     assert(!g1_called);
    119     assert(!g2_called);
    120     assert(!g3_called);
    121     assert(ios1.iword(0) == 4);
    122     assert(ios1.iword(1) == 5);
    123     assert(ios1.iword(2) == 6);
    124     assert(ios1.iword(3) == 7);
    125     assert(ios1.iword(4) == 8);
    126     assert(ios1.iword(5) == 9);
    127     assert(ios1.pword(0) == &d1);
    128     assert(ios1.pword(1) == &d2);
    129     assert(ios1.tie() == (std::ostream*)2);
    130     assert(ios1.fill() == '2');
    131     ios1.imbue(std::locale("C"));
    132     assert(!f1_called);
    133     assert(!f2_called);
    134     assert(g1_called);
    135     assert(g2_called);
    136     assert(g3_called);
    137 
    138     assert(ios2.rdbuf() == &sb2);
    139     assert(ios2.tie() == 0);
    140 }
    141