38b7e74836
This reverts commits r357533 and r357531, which broke the LLDB data formatters. I'll hold off until we know how to fix the data formatters accordingly. llvm-svn: 357536
119 lines
3.0 KiB
C++
119 lines
3.0 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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// <string>
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// template<class charT, class traits, class Allocator>
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// basic_istream<charT,traits>&
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// operator>>(basic_istream<charT,traits>& is,
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// basic_string<charT,traits,Allocator>& str);
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#include <string>
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#include <sstream>
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#include <cassert>
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#include "min_allocator.h"
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int main(int, char**)
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{
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{
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std::istringstream in("a bc defghij");
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std::string s("initial text");
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in >> s;
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assert(in.good());
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assert(s == "a");
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assert(in.peek() == ' ');
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in >> s;
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assert(in.good());
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assert(s == "bc");
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assert(in.peek() == ' ');
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in.width(3);
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in >> s;
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assert(in.good());
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assert(s == "def");
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assert(in.peek() == 'g');
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in >> s;
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assert(in.eof());
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assert(s == "ghij");
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in >> s;
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assert(in.fail());
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}
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{
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std::wistringstream in(L"a bc defghij");
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std::wstring s(L"initial text");
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in >> s;
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assert(in.good());
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assert(s == L"a");
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assert(in.peek() == L' ');
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in >> s;
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assert(in.good());
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assert(s == L"bc");
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assert(in.peek() == L' ');
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in.width(3);
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in >> s;
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assert(in.good());
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assert(s == L"def");
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assert(in.peek() == L'g');
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in >> s;
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assert(in.eof());
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assert(s == L"ghij");
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in >> s;
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assert(in.fail());
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}
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#if TEST_STD_VER >= 11
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{
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typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
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std::istringstream in("a bc defghij");
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S s("initial text");
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in >> s;
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assert(in.good());
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assert(s == "a");
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assert(in.peek() == ' ');
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in >> s;
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assert(in.good());
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assert(s == "bc");
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assert(in.peek() == ' ');
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in.width(3);
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in >> s;
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assert(in.good());
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assert(s == "def");
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assert(in.peek() == 'g');
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in >> s;
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assert(in.eof());
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assert(s == "ghij");
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in >> s;
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assert(in.fail());
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}
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{
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typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t>> S;
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std::wistringstream in(L"a bc defghij");
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S s(L"initial text");
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in >> s;
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assert(in.good());
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assert(s == L"a");
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assert(in.peek() == L' ');
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in >> s;
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assert(in.good());
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assert(s == L"bc");
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assert(in.peek() == L' ');
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in.width(3);
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in >> s;
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assert(in.good());
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assert(s == L"def");
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assert(in.peek() == L'g');
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in >> s;
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assert(in.eof());
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assert(s == L"ghij");
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in >> s;
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assert(in.fail());
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}
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#endif
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return 0;
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}
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