nouppercase.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <ios>
11
12// class ios_base
13
14// ios_base& nouppercase(ios_base& str);
15
16#include <ios>
17#include <streambuf>
18#include <cassert>
19
20struct testbuf : public std::streambuf {};
21
22int main()
23{
24    testbuf sb;
25    std::ios ios(&sb);
26    std::uppercase(ios);
27    std::ios_base& r = std::nouppercase(ios);
28    assert(&r == &ios);
29    assert(!(ios.flags() & std::ios::uppercase));
30}
31