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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS -D_LIBCPP_ENABLE_CXX26_REMOVED_STRSTREAM
// <strstream>
// class strstream
// strstream(char* s, int n, ios_base::openmode mode = ios_base::in | ios_base::out);
#include <strstream>
#include <cassert>
#include <string>
#include "test_macros.h"
int main(int, char**)
{
{
char buf[] = "123 4.5 dog";
std::strstream inout(buf, 0);
assert(inout.str() == std::string("123 4.5 dog"));
int i = 321;
double d = 5.5;
std::string s("cat");
inout >> i;
assert(inout.fail());
inout.clear();
inout << i << ' ' << d << ' ' << s;
assert(inout.str() == std::string("321 5.5 cat"));
i = 0;
d = 0;
s = "";
inout >> i >> d >> s;
assert(i == 321);
assert(d == 5.5);
assert(s == "cat");
}
{
char buf[23] = "123 4.5 dog";
std::strstream inout(buf, 11, std::ios::app);
assert(inout.str() == std::string("123 4.5 dog"));
int i = 0;
double d = 0;
std::string s;
inout >> i >> d >> s;
assert(i == 123);
assert(d == 4.5);
assert(s == "dog");
i = 321;
d = 5.5;
s = "cat";
inout.clear();
inout << i << ' ' << d << ' ' << s;
assert(inout.str() == std::string("123 4.5 dog321 5.5 cat"));
}
return 0;
}
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