164 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			164 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| //===----------------------------------------------------------------------===//
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| //
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file is dual licensed under the MIT and the University of Illinois Open
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| // Source Licenses. See LICENSE.TXT for details.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| // <ios>
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| 
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| // template <class charT, class traits> class basic_ios
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| 
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| // void move(basic_ios&& rhs);
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| 
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| #include <ios>
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| #include <streambuf>
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| #include <cassert>
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| 
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| struct testbuf
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|     : public std::streambuf
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| {
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| };
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| 
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| struct testios
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|     : public std::ios
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| {
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|     testios(std::streambuf* p) : std::ios(p) {}
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|     void swap(std::ios& x) {std::ios::swap(x);}
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| };
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| 
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| bool f1_called = false;
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| bool f2_called = false;
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| 
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| bool g1_called = false;
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| bool g2_called = false;
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| bool g3_called = false;
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| 
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| void f1(std::ios_base::event ev, std::ios_base& stream, int index)
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| {
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|     assert(index == 4);
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|     f1_called = true;
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| }
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| 
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| void f2(std::ios_base::event ev, std::ios_base& stream, int index)
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| {
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|     assert(index == 5);
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|     f2_called = true;
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| }
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| 
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| void g1(std::ios_base::event ev, std::ios_base& stream, int index)
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| {
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|     assert(index == 7);
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|     g1_called = true;
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| }
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| 
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| void g2(std::ios_base::event ev, std::ios_base& stream, int index)
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| {
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|     assert(index == 8);
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|     g2_called = true;
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| }
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| 
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| void g3(std::ios_base::event ev, std::ios_base& stream, int index)
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| {
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|     assert(index == 9);
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|     g3_called = true;
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| }
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| 
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| int main()
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| {
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|     testbuf sb1;
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|     testios ios1(&sb1);
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|     ios1.flags(std::ios::boolalpha | std::ios::dec | std::ios::fixed);
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|     ios1.precision(1);
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|     ios1.width(11);
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|     ios1.imbue(std::locale("en_US"));
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|     ios1.exceptions(std::ios::failbit);
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|     ios1.setstate(std::ios::eofbit);
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|     ios1.register_callback(f1, 4);
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|     ios1.register_callback(f2, 5);
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|     ios1.iword(0) = 1;
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|     ios1.iword(1) = 2;
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|     ios1.iword(2) = 3;
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|     char c1, c2, c3;
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|     ios1.pword(0) = &c1;
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|     ios1.pword(1) = &c2;
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|     ios1.pword(2) = &c3;
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|     ios1.tie((std::ostream*)1);
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|     ios1.fill('1');
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| 
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|     testbuf sb2;
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|     testios ios2(&sb2);
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|     ios2.flags(std::ios::showpoint | std::ios::uppercase);
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|     ios2.precision(2);
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|     ios2.width(12);
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|     ios2.imbue(std::locale("fr_FR"));
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|     ios2.exceptions(std::ios::eofbit);
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|     ios2.setstate(std::ios::goodbit);
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|     ios2.register_callback(g1, 7);
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|     ios2.register_callback(g2, 8);
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|     ios2.register_callback(g3, 9);
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|     ios2.iword(0) = 4;
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|     ios2.iword(1) = 5;
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|     ios2.iword(2) = 6;
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|     ios2.iword(3) = 7;
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|     ios2.iword(4) = 8;
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|     ios2.iword(5) = 9;
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|     char d1, d2;
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|     ios2.pword(0) = &d1;
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|     ios2.pword(1) = &d2;
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|     ios2.tie((std::ostream*)2);
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|     ios2.fill('2');
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| 
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|     ios1.swap(ios2);
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| 
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|     assert(ios1.rdstate() == std::ios::goodbit);
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|     assert(ios1.rdbuf() == &sb1);
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|     assert(ios1.flags() == (std::ios::showpoint | std::ios::uppercase));
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|     assert(ios1.precision() == 2);
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|     assert(ios1.width() == 12);
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|     assert(ios1.getloc().name() == "fr_FR");
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|     assert(ios1.exceptions() == std::ios::eofbit);
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|     assert(!f1_called);
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|     assert(!f2_called);
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|     assert(!g1_called);
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|     assert(!g2_called);
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|     assert(!g3_called);
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|     assert(ios1.iword(0) == 4);
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|     assert(ios1.iword(1) == 5);
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|     assert(ios1.iword(2) == 6);
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|     assert(ios1.iword(3) == 7);
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|     assert(ios1.iword(4) == 8);
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|     assert(ios1.iword(5) == 9);
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|     assert(ios1.pword(0) == &d1);
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|     assert(ios1.pword(1) == &d2);
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|     assert(ios1.tie() == (std::ostream*)2);
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|     assert(ios1.fill() == '2');
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|     ios1.imbue(std::locale("C"));
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|     assert(!f1_called);
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|     assert(!f2_called);
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|     assert(g1_called);
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|     assert(g2_called);
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|     assert(g3_called);
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| 
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|     assert(ios2.rdstate() == std::ios::eofbit);
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|     assert(ios2.rdbuf() == &sb2);
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|     assert(ios2.flags() == (std::ios::boolalpha | std::ios::dec | std::ios::fixed));
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|     assert(ios2.precision() == 1);
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|     assert(ios2.width() == 11);
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|     assert(ios2.getloc().name() == "en_US");
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|     assert(ios2.exceptions() == std::ios::failbit);
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|     assert(ios2.iword(0) == 1);
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|     assert(ios2.iword(1) == 2);
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|     assert(ios2.iword(2) == 3);
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|     assert(ios2.pword(0) == &c1);
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|     assert(ios2.pword(1) == &c2);
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|     assert(ios2.pword(2) == &c3);
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|     assert(ios2.tie() == (std::ostream*)1);
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|     assert(ios2.fill() == '1');
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|     ios2.imbue(std::locale("C"));
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|     assert(f1_called);
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|     assert(f2_called);
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| }
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