| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <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> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| { |
| 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)); |
| } |
| |
| return 0; |
| } |