| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <ios> |
| |
| // class ios_base |
| |
| // locale imbue(const locale& loc); |
| |
| #include <ios> |
| #include <string> |
| #include <locale> |
| #include <cassert> |
| |
| #include "platform_support.h" // locale name macros |
| |
| class test |
| : public std::ios |
| { |
| public: |
| test() |
| { |
| init(0); |
| } |
| }; |
| |
| bool f1_called = false; |
| bool f2_called = false; |
| bool f3_called = false; |
| |
| void f1(std::ios_base::event ev, std::ios_base& stream, int index) |
| { |
| if (ev == std::ios_base::imbue_event) |
| { |
| assert(!f1_called); |
| assert( f2_called); |
| assert( f3_called); |
| assert(stream.getloc().name() == LOCALE_en_US_UTF_8); |
| assert(index == 4); |
| f1_called = true; |
| } |
| } |
| |
| void f2(std::ios_base::event ev, std::ios_base& stream, int index) |
| { |
| if (ev == std::ios_base::imbue_event) |
| { |
| assert(!f1_called); |
| assert(!f2_called); |
| assert( f3_called); |
| assert(stream.getloc().name() == LOCALE_en_US_UTF_8); |
| assert(index == 5); |
| f2_called = true; |
| } |
| } |
| |
| void f3(std::ios_base::event ev, std::ios_base& stream, int index) |
| { |
| if (ev == std::ios_base::imbue_event) |
| { |
| assert(!f1_called); |
| assert(!f2_called); |
| assert(!f3_called); |
| assert(stream.getloc().name() == LOCALE_en_US_UTF_8); |
| assert(index == 6); |
| f3_called = true; |
| } |
| } |
| |
| int main() |
| { |
| test t; |
| std::ios_base& b = t; |
| b.register_callback(f1, 4); |
| b.register_callback(f2, 5); |
| b.register_callback(f3, 6); |
| std::locale l = b.imbue(std::locale(LOCALE_en_US_UTF_8)); |
| assert(l.name() == std::string("C")); |
| assert(b.getloc().name() == std::string(LOCALE_en_US_UTF_8)); |
| assert(f1_called); |
| assert(f2_called); |
| assert(f3_called); |
| } |