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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <iterator>
// istreambuf_iterator
// template <class charT, class traits>
// bool operator==(const istreambuf_iterator<charT,traits>& a,
// const istreambuf_iterator<charT,traits>& b);
#include <iterator>
#include <sstream>
#include <cassert>
int main()
{
{
std::istringstream inf1("abc");
std::istringstream inf2("def");
std::istreambuf_iterator<char> i1(inf1);
std::istreambuf_iterator<char> i2(inf2);
std::istreambuf_iterator<char> i3;
std::istreambuf_iterator<char> i4;
std::istreambuf_iterator<char> i5(nullptr);
assert( (i1 == i1));
assert( (i1 == i2));
assert(!(i1 == i3));
assert(!(i1 == i4));
assert(!(i1 == i5));
assert( (i2 == i1));
assert( (i2 == i2));
assert(!(i2 == i3));
assert(!(i2 == i4));
assert(!(i2 == i5));
assert(!(i3 == i1));
assert(!(i3 == i2));
assert( (i3 == i3));
assert( (i3 == i4));
assert( (i3 == i5));
assert(!(i4 == i1));
assert(!(i4 == i2));
assert( (i4 == i3));
assert( (i4 == i4));
assert( (i4 == i5));
assert(!(i5 == i1));
assert(!(i5 == i2));
assert( (i5 == i3));
assert( (i5 == i4));
assert( (i5 == i5));
}
{
std::wistringstream inf1(L"abc");
std::wistringstream inf2(L"def");
std::istreambuf_iterator<wchar_t> i1(inf1);
std::istreambuf_iterator<wchar_t> i2(inf2);
std::istreambuf_iterator<wchar_t> i3;
std::istreambuf_iterator<wchar_t> i4;
std::istreambuf_iterator<wchar_t> i5(nullptr);
assert( (i1 == i1));
assert( (i1 == i2));
assert(!(i1 == i3));
assert(!(i1 == i4));
assert(!(i1 == i5));
assert( (i2 == i1));
assert( (i2 == i2));
assert(!(i2 == i3));
assert(!(i2 == i4));
assert(!(i2 == i5));
assert(!(i3 == i1));
assert(!(i3 == i2));
assert( (i3 == i3));
assert( (i3 == i4));
assert( (i3 == i5));
assert(!(i4 == i1));
assert(!(i4 == i2));
assert( (i4 == i3));
assert( (i4 == i4));
assert( (i4 == i5));
assert(!(i5 == i1));
assert(!(i5 == i2));
assert( (i5 == i3));
assert( (i5 == i4));
assert( (i5 == i5));
}
}
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