83e2c4d877
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@171594 91177308-0d34-0410-b5e6-96231b3b80d8
90 lines
2.0 KiB
C++
90 lines
2.0 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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// <ios>
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// class ios_base
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// locale imbue(const locale& loc);
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#include <ios>
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#include <string>
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#include <locale>
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#include <cassert>
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#include "platform_support.h" // locale name macros
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class test
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: public std::ios
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{
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public:
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test()
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{
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init(0);
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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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bool f3_called = false;
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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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if (ev == std::ios_base::imbue_event)
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{
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assert(!f1_called);
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assert( f2_called);
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assert( f3_called);
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assert(stream.getloc().name() == LOCALE_en_US_UTF_8);
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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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if (ev == std::ios_base::imbue_event)
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{
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assert(!f1_called);
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assert(!f2_called);
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assert( f3_called);
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assert(stream.getloc().name() == LOCALE_en_US_UTF_8);
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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 f3(std::ios_base::event ev, std::ios_base& stream, int index)
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{
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if (ev == std::ios_base::imbue_event)
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{
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assert(!f1_called);
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assert(!f2_called);
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assert(!f3_called);
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assert(stream.getloc().name() == LOCALE_en_US_UTF_8);
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assert(index == 6);
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f3_called = true;
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}
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}
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int main()
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{
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test t;
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std::ios_base& b = t;
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b.register_callback(f1, 4);
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b.register_callback(f2, 5);
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b.register_callback(f3, 6);
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std::locale l = b.imbue(std::locale(LOCALE_en_US_UTF_8));
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assert(l.name() == std::string("C"));
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assert(b.getloc().name() == std::string(LOCALE_en_US_UTF_8));
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assert(f1_called);
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assert(f2_called);
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assert(f3_called);
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}
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