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