207 lines
8.9 KiB
C++
207 lines
8.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// Make sure functions specified as being 'addressable' (their address can be
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// taken in a well-defined manner) are indeed addressable. This notion was
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// added by http://wg21.link/p0551. While it was technically only introduced
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// in C++20, we test it in all standard modes because it's basic QOI to provide
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// a consistent behavior for that across standard modes.
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// RUN: %{cxx} %{flags} %{compile_flags} -c %s -o %t.tu1.o -DTU1
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// RUN: %{cxx} %{flags} %{compile_flags} -c %s -o %t.tu2.o -DTU2
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// RUN: %{cxx} %t.tu1.o %t.tu2.o %{flags} %{link_flags} -o %t.exe
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// RUN: %{exec} %t.exe
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// The functions checked below come from <iostream> & friends
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// UNSUPPORTED: libcpp-has-no-localization
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#include <cassert>
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#include <ios>
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#include <istream>
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#include <map>
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#include <ostream>
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#include <string>
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#include <utility>
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#include "test_macros.h"
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typedef std::ios_base& (FormatFlagFunction)(std::ios_base&);
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typedef std::basic_ostream<char>& (OstreamManipFunction)(std::basic_ostream<char>&);
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typedef std::basic_istream<char>& (IstreamManipFunction)(std::basic_istream<char>&);
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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typedef std::basic_ostream<wchar_t>& (WOstreamManipFunction)(std::basic_ostream<wchar_t>&);
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typedef std::basic_istream<wchar_t>& (WIstreamManipFunction)(std::basic_istream<wchar_t>&);
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#endif
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extern FormatFlagFunction* get_formatflag_tu1(std::string);
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extern FormatFlagFunction* get_formatflag_tu2(std::string);
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extern OstreamManipFunction* get_ostreammanip_tu1(std::string);
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extern OstreamManipFunction* get_ostreammanip_tu2(std::string);
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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extern WOstreamManipFunction* get_wostreammanip_tu1(std::string);
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extern WOstreamManipFunction* get_wostreammanip_tu2(std::string);
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#endif
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extern IstreamManipFunction* get_istreammanip_tu1(std::string);
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extern IstreamManipFunction* get_istreammanip_tu2(std::string);
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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extern WIstreamManipFunction* get_wistreammanip_tu1(std::string);
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extern WIstreamManipFunction* get_wistreammanip_tu2(std::string);
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#endif
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#ifdef TU1
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FormatFlagFunction* get_formatflag_tu1(std::string func)
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#else
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FormatFlagFunction* get_formatflag_tu2(std::string func)
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#endif
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{
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std::map<std::string, FormatFlagFunction*> all_funcs;
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// [fmtflags.manip]
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all_funcs.insert(std::make_pair("boolalpha", &std::boolalpha));
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all_funcs.insert(std::make_pair("noboolalpha", &std::noboolalpha));
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all_funcs.insert(std::make_pair("showbase", &std::showbase));
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all_funcs.insert(std::make_pair("noshowbase", &std::noshowbase));
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all_funcs.insert(std::make_pair("showpoint", &std::showpoint));
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all_funcs.insert(std::make_pair("noshowpoint", &std::noshowpoint));
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all_funcs.insert(std::make_pair("showpos", &std::showpos));
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all_funcs.insert(std::make_pair("noshowpos", &std::noshowpos));
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all_funcs.insert(std::make_pair("skipws", &std::skipws));
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all_funcs.insert(std::make_pair("noskipws", &std::noskipws));
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all_funcs.insert(std::make_pair("uppercase", &std::uppercase));
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all_funcs.insert(std::make_pair("nouppercase", &std::nouppercase));
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all_funcs.insert(std::make_pair("unitbuf", &std::unitbuf));
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all_funcs.insert(std::make_pair("nounitbuf", &std::nounitbuf));
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// [adjustfield.manip]
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all_funcs.insert(std::make_pair("internal", &std::internal));
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all_funcs.insert(std::make_pair("left", &std::left));
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all_funcs.insert(std::make_pair("right", &std::right));
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// [basefield.manip]
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all_funcs.insert(std::make_pair("dec", &std::dec));
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all_funcs.insert(std::make_pair("hex", &std::hex));
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all_funcs.insert(std::make_pair("oct", &std::oct));
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// [floatfield.manip]
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all_funcs.insert(std::make_pair("fixed", &std::fixed));
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all_funcs.insert(std::make_pair("scientific", &std::scientific));
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all_funcs.insert(std::make_pair("hexfloat", &std::hexfloat));
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all_funcs.insert(std::make_pair("defaultfloat", &std::defaultfloat));
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return all_funcs.at(func);
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}
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// [ostream.manip] (char)
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#ifdef TU1
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OstreamManipFunction* get_ostreammanip_tu1(std::string func)
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#else
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OstreamManipFunction* get_ostreammanip_tu2(std::string func)
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#endif
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{
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std::map<std::string, OstreamManipFunction*> all_funcs;
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typedef std::char_traits<char> Traits;
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all_funcs.insert(std::make_pair("endl", &std::endl<char, Traits>));
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all_funcs.insert(std::make_pair("ends", &std::ends<char, Traits>));
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all_funcs.insert(std::make_pair("flush", &std::flush<char, Traits>));
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return all_funcs.at(func);
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}
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// [ostream.manip] (wchar_t)
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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# ifdef TU1
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WOstreamManipFunction* get_wostreammanip_tu1(std::string func)
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# else
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WOstreamManipFunction* get_wostreammanip_tu2(std::string func)
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# endif
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{
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std::map<std::string, WOstreamManipFunction*> all_funcs;
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typedef std::char_traits<wchar_t> Traits;
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all_funcs.insert(std::make_pair("endl", &std::endl<wchar_t, Traits>));
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all_funcs.insert(std::make_pair("ends", &std::ends<wchar_t, Traits>));
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all_funcs.insert(std::make_pair("flush", &std::flush<wchar_t, Traits>));
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return all_funcs.at(func);
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}
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#endif // TEST_HAS_NO_WIDE_CHARACTERS
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// [istream.manip] (char)
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#ifdef TU1
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IstreamManipFunction* get_istreammanip_tu1(std::string func)
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#else
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IstreamManipFunction* get_istreammanip_tu2(std::string func)
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#endif
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{
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std::map<std::string, IstreamManipFunction*> all_funcs;
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typedef std::char_traits<char> Traits;
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all_funcs.insert(std::make_pair("ws", &std::ws<char, Traits>));
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return all_funcs.at(func);
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}
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// [istream.manip] (wchar_t)
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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# ifdef TU1
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WIstreamManipFunction* get_wistreammanip_tu1(std::string func)
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# else
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WIstreamManipFunction* get_wistreammanip_tu2(std::string func)
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# endif
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{
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std::map<std::string, WIstreamManipFunction*> all_funcs;
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typedef std::char_traits<wchar_t> Traits;
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all_funcs.insert(std::make_pair("ws", &std::ws<wchar_t, Traits>));
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return all_funcs.at(func);
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}
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#endif // TEST_HAS_NO_WIDE_CHARACTERS
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#ifdef TU2
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int main(int, char**) {
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assert(get_formatflag_tu1("boolalpha") == get_formatflag_tu2("boolalpha"));
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assert(get_formatflag_tu1("noboolalpha") == get_formatflag_tu2("noboolalpha"));
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assert(get_formatflag_tu1("showbase") == get_formatflag_tu2("showbase"));
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assert(get_formatflag_tu1("noshowbase") == get_formatflag_tu2("noshowbase"));
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assert(get_formatflag_tu1("showpoint") == get_formatflag_tu2("showpoint"));
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assert(get_formatflag_tu1("noshowpoint") == get_formatflag_tu2("noshowpoint"));
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assert(get_formatflag_tu1("showpos") == get_formatflag_tu2("showpos"));
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assert(get_formatflag_tu1("noshowpos") == get_formatflag_tu2("noshowpos"));
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assert(get_formatflag_tu1("skipws") == get_formatflag_tu2("skipws"));
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assert(get_formatflag_tu1("noskipws") == get_formatflag_tu2("noskipws"));
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assert(get_formatflag_tu1("uppercase") == get_formatflag_tu2("uppercase"));
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assert(get_formatflag_tu1("nouppercase") == get_formatflag_tu2("nouppercase"));
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assert(get_formatflag_tu1("unitbuf") == get_formatflag_tu2("unitbuf"));
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assert(get_formatflag_tu1("nounitbuf") == get_formatflag_tu2("nounitbuf"));
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assert(get_formatflag_tu1("internal") == get_formatflag_tu2("internal"));
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assert(get_formatflag_tu1("left") == get_formatflag_tu2("left"));
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assert(get_formatflag_tu1("right") == get_formatflag_tu2("right"));
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assert(get_formatflag_tu1("dec") == get_formatflag_tu2("dec"));
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assert(get_formatflag_tu1("hex") == get_formatflag_tu2("hex"));
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assert(get_formatflag_tu1("oct") == get_formatflag_tu2("oct"));
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assert(get_formatflag_tu1("fixed") == get_formatflag_tu2("fixed"));
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assert(get_formatflag_tu1("scientific") == get_formatflag_tu2("scientific"));
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assert(get_formatflag_tu1("hexfloat") == get_formatflag_tu2("hexfloat"));
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assert(get_formatflag_tu1("defaultfloat") == get_formatflag_tu2("defaultfloat"));
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assert(get_ostreammanip_tu1("endl") == get_ostreammanip_tu2("endl"));
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assert(get_ostreammanip_tu1("ends") == get_ostreammanip_tu2("ends"));
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assert(get_ostreammanip_tu1("flush") == get_ostreammanip_tu2("flush"));
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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assert(get_wostreammanip_tu1("endl") == get_wostreammanip_tu2("endl"));
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assert(get_wostreammanip_tu1("ends") == get_wostreammanip_tu2("ends"));
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assert(get_wostreammanip_tu1("flush") == get_wostreammanip_tu2("flush"));
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#endif
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assert(get_istreammanip_tu1("ws") == get_istreammanip_tu2("ws"));
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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assert(get_wistreammanip_tu1("ws") == get_wistreammanip_tu2("ws"));
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#endif
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return 0;
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}
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#endif
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