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libcxx_old/test/std/input.output/string.streams/istringstream/istringstream.cons/default.pass.cpp

50 lines
1.2 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <sstream>
// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
// class basic_istringstream
// explicit basic_istringstream(ios_base::openmode which = ios_base::in);
#include <sstream>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
{
std::istringstream ss;
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == "");
}
{
std::istringstream ss(std::ios_base::in);
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == "");
}
{
std::wistringstream ss;
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == L"");
}
{
std::wistringstream ss(std::ios_base::in);
assert(ss.rdbuf() != 0);
assert(ss.good());
assert(ss.str() == L"");
}
return 0;
}