diff options
Diffstat (limited to 'test/std/input.output/string.streams/istringstream/istringstream.assign/nonmember_swap.pass.cpp')
-rw-r--r-- | test/std/input.output/string.streams/istringstream/istringstream.assign/nonmember_swap.pass.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/std/input.output/string.streams/istringstream/istringstream.assign/nonmember_swap.pass.cpp b/test/std/input.output/string.streams/istringstream/istringstream.assign/nonmember_swap.pass.cpp new file mode 100644 index 0000000000000..d72cef16076f2 --- /dev/null +++ b/test/std/input.output/string.streams/istringstream/istringstream.assign/nonmember_swap.pass.cpp @@ -0,0 +1,59 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <sstream> + +// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > +// class basic_istringstream + +// template <class charT, class traits, class Allocator> +// void +// swap(basic_istringstream<charT, traits, Allocator>& x, +// basic_istringstream<charT, traits, Allocator>& y); + +#include <sstream> +#include <cassert> + +int main() +{ + { + std::istringstream ss0(" 123 456"); + std::istringstream ss(" 789 321"); + swap(ss, ss0); + assert(ss.rdbuf() != 0); + assert(ss.good()); + assert(ss.str() == " 123 456"); + int i = 0; + ss >> i; + assert(i == 123); + ss >> i; + assert(i == 456); + ss0 >> i; + assert(i == 789); + ss0 >> i; + assert(i == 321); + } + { + std::wistringstream ss0(L" 123 456"); + std::wistringstream ss(L" 789 321"); + swap(ss, ss0); + assert(ss.rdbuf() != 0); + assert(ss.good()); + assert(ss.str() == L" 123 456"); + int i = 0; + ss >> i; + assert(i == 123); + ss >> i; + assert(i == 456); + ss0 >> i; + assert(i == 789); + ss0 >> i; + assert(i == 321); + } +} |